Leadership
- Directors
- Director and Audit & Supervisory Committee Member
- Director' expertise and experience (skills matrix)
Director

Satoru Takashima
(Sataru Takashima)
President and Representative Director, Group CEO
Born on April 18, 1960
Reason for selection
After holding key positions mainly in the business administration department and major affiliated companies in Japan and overseas, he has demonstrated strong leadership since assuming the position of President and Representative Director and has been responsible for the business execution and supervisory functions of the entire Group. He was appointed as a Director in anticipation of driving the enhancement of the Group's corporate value.
April 1984 | Joined Toyo Ink Manufacturing Co., Ltd. |
---|---|
Mar. 2003 | President and Representative Director of Toyo Ink (Thailand) Co., Ltd. |
April 2011 | General Manager of Top Management Division, Toyo Ink SC Holdings Co., Ltd. |
June 2012 | Operating Officer of Toyo Ink SC Holdings Co., Ltd. |
June 2013 | Director of Toyo Ink SC Holdings Co., Ltd. |
April 2014 | President and Representative Director of Toyochem Co., Ltd. |
June 2016 | Managing Director of ,Toyo Ink SC Holdings Co., Ltd. |
March 2019 | Senior Managing Director of Toyo Ink SC Holdings Co., Ltd. |
March 2020 | President and Representative Director (to the present), Group COO of Toyo Ink SC Holdings Co., Ltd. |
March 2022 | TOYO INK SC Holdings Corporation President and Representative Director, Group CEO |
January 2024 | President and Representative Director, Group CEO of artience Co., Ltd. (to the present) |

Hiroyuki Hamada
(Still Hiroyuki)
Director Vice President, General Management, Corporate Division
Born on July 19, 1958
Reason for selection
Since assuming the position of Director of the Company, he has carried out business execution and supervised the management of the Company with a high level of ability and expertise in management strategy. He was appointed as Director in the hope that he would be able to utilize his extensive experience and insight in this field in the Company's management oversight function.
April 1981 | Joined Toyo Ink Manufacturing Co., Ltd. |
---|---|
September 2005 | General Manager of Corporate Planning Department, Toyo Ink SC Holdings Co., Ltd. |
July 2010 | Chairman and Representative Director of Toyo Ink Europe (Paris) S.A.S |
June 2013 | Operating Officer of Toyo Ink SC Holdings Co., Ltd. |
June 2015 | Executive Operating Officer of Toyo Ink SC Holdings Co., Ltd. |
June 2016 | TOYO INK SC Holdings Corporation Director Corporate Planning Division Long |
March 2019 | Managing Director of ,Toyo Ink SC Holdings Co., Ltd. |
March 2023 | Senior Managing Director of Toyo Ink SC Holdings Co., Ltd. |
January 2024 | artience Co., Ltd. Senior Managing Director |
March 2025 | artience Co., Ltd. Director Vice President In charge of general management and corporate divisions (to date) |

Tomoko Adachi
(Tomoko Adachi)
Outside Director
Born on March 10, 1954
Expected role
In addition to having experience in hospital management, he has advanced knowledge and expertise in pharmaceuticals, health management, and diversity, equity, and inclusion. He was appointed as Outside Director in the hope that he would make use of this knowledge and fulfill his management supervisory function from a fair standpoint.
November 1995 | Associate Professor, Department of Obstetrics and Gynecology, Tokyo Women's Medical University |
---|---|
April 2004 | Director of the Department of Obstetrics and Gynecology, General Maternal and Child Health Center, Aiku Hospital (hereinafter referred to as Aiku Hospital) |
June 2006 | Visiting Professor, Faculty of Medicine, Tokyo Women's Medical University |
April 2013 | Deputy Director, Aiiku Hospital |
December 2017 | Director of the Onshi Foundation Mother and Child Love and Education Association (to date) |
December 2017 | Director, Aiku Hospital |
April 2022 | Honorary Director of Aiiku Hospital (to date) |
March 2023 | Outside Director of Toyo Ink SC Holdings Co., Ltd. |
January 2024 | Outside Director of artience Co., Ltd. (to the present) |
June 2024 | Vice President, Japan Association of Obstetricians and Gynecologists (to present) |

Yoshinobu Fujimoto
(Yoshinobu Fujimoto)
Outside Director
Born on November 5, 1965
Expected role
He is a qualified lawyer with a high level of expertise and extensive insight, especially in M&A transactions and overseas transactions. He was appointed as Outside Director in the hope that he would make use of this knowledge and fulfill his management supervisory function from a fair standpoint.
April 1991 | Registered with the Daini Tokyo Bar Association |
---|---|
April 1991 | Joined Masuda Ejiri Law Office (currently Nishimura & Asahi Law Office, Foreign Law Joint Venture) |
February 1996 | Registered with New York State Bar Association |
January 1999 | Nishimura & Asahi & Co., Partners of Foreign Law Joint Ventures (to date) |
June 2008 | Mita Securities Co., Ltd. Outside Audit & Supervisory Board Member (to date) |
March 2024 | Outside Director of artience Co., Ltd. (to the present) |

Yukihiro Tachihuji
(Yukihiro Tachifuji)
Outside Director
Date of birth: October 12, 1960
Expected role
He has a wealth of experience and a high level of insight as a manager of a listed company, and is familiar with technology and production management operations in the manufacturing industry. He was appointed as a Outside Director with the expectation that he would make use of these experiences and knowledge to fulfill his management supervisory function from a fair standpoint.
April 1985 | Joined Mitsubishi Paper Corporation |
---|---|
June 2013 | Mitsubishi Paper Corporation Operating Officers |
January 2018 | Mitsubishi Paper Corporation Managing Director Operating Officers |
June 2019 | Mitsubishi Paper Corporation President and Representative Director |
June 2022 | Mitsubishi Paper Corporation, Advisor |
June 2023 | Fuji Electric Co., Ltd. Outside Director (to date) |
June 2023 | JNC Corporation Outside Director (to date) |
March 2025 | Outside Director of artience Co., Ltd. (to the present) |

Noriko Kosugi
(Noriko Kotoo)
Outside Director
Date of birth: June 29, 1966
Expected role
In addition to his extensive experience in finance and accounting at a variety of companies in Japan and overseas, he is also well-versed in corporate planning and investor relations, has considerable knowledge of finance and accounting, and has management experience for listed companies. He was appointed as Outside Director with the expectation that he would make use of his experience and knowledge to fulfill his management supervisory function from a fair standpoint.
Apr. 1990 | Joined Kawasaki Steel Corporation (now JFE Steel Corporation) |
---|---|
April 2005 | General Manager, Finance & Investor Relations Department, JFE Holdings Corporation |
October, 2011 | General Manager, Corporate Planning Department, Japan Molex Corporation (currently Japan Molex LLC) |
April 2018 | UNIZO Holdings Co., Ltd. Managing Director Operating Officers |
June 2019 | UNIZO Holdings Co., Ltd. Managing Director Director and Managing Director Operating Officers |
August 2020 | Director of Finance, British School in Tokyo (to date) |
April 2023 | CEC Co., Ltd. Outside Director (to date) |
March 2025 | Outside Director of artience Co., Ltd. (to the present) |

Tetsuaki Sato
(Tetsuaki Sato)
Director in charge of Quality Assurance, Production and Environment, Sustainability, Purchasing and Logistics
Born on March 9, 1961
Reason for selection
After working in the engineering department, he held key positions mainly in the production and production control departments, and since his appointment as the Director of the Company, he has carried out business with a high level of competence and expertise in the fields of technology, production and production management, and has supervised the management of the Company. He was appointed as Director in the hope that he would be able to utilize his extensive experience and insight in this field in the Company's management oversight function.
April 1985 | Joined Toyo Ink Manufacturing Co., Ltd. |
---|---|
April 2012 | General Manager of Planning Department, Production-Logistics Division |
July 2016 | Factory Manager of Kawagoe Factory, Toyochem Co., Ltd. |
June 2017 | Operating Officer of Toyo Ink SC Holdings Co., Ltd. |
March 2022 | Executive Operating Officer of Toyo Ink SC Holdings Co., Ltd. |
March 2023 | Director of Toyo Ink SC Holdings Co., Ltd. |
July 2023 | Director of Toyo Ink SC Holdings Co., Ltd. In charge of Quality Assurance, Production and Environment, Sustainability, Purchasing and Logistics |
January 2024 | Director of artience Co., Ltd. In charge of Quality Assurance, Production and Environment, Sustainability, Purchasing and Logistics (to the present) |
Director and Audit & Supervisory Committee Members

Masayuki Kano
(Masayuki Kano)
Directors and Audit & Supervisory Committee Member (full-time)
Born on March 30, 1962
Reason for selection
Since assuming the position of Operating Officers of the Company, he has been involved in the overall management of the Group, executing operations with a high level of ability and expertise in personnel strategy, corporate governance, risk management, etc., mainly in the Human Resources Department and the General Affairs Department. He was appointed as a member of the Audit and Supervisory Committee Director with the expectation that he would make use of his experience and knowledge to appropriately audit and supervise the execution of the Company's business.
April 1984 | Joined Toyo Ink Manufacturing Co., Ltd. |
---|---|
July 2009 | General Manager of Human Resources Department of Toyo Ink Manufacturing Co., Ltd. |
April 2011 | General Manager of Human Resources Department of Toyo Ink SC Holdings Co., Ltd. |
June 2013 | Operating Officer of Toyo Ink SC Holdings Co., Ltd. |
April 2019 | General Manager of General Affairs Department of Toyo Ink SC Holdings Co., Ltd. |
January 2024 | Advisor of artience Co., Ltd. |
March 2024 | Director and Audit & Supervisory Committee Member (full-time) of artience Co., Ltd. (to the present) |

Yutaka Yokoi
(Yokoi Yutaka)
Outside Director and Audit & Supervisory Committee Member
Born on January 10, 1955
Expected role
He has held important positions in the Ministry of Foreign Affairs for many years, and has an international sense cultivated through diplomacy and a wide range of insight into world affairs. He was appointed as a member of the Audit and Supervisory Committee as a member of the Outside Director Audit and Supervisory Committee, with the expectation that he would utilize this knowledge and fulfill his management supervisory and auditing functions from a fair standpoint. In addition, as the chairman of the Advisory Committee on Appointment and Remuneration Committee, he is responsible for the supervisory function of selecting candidates for officers of the Company and the process of determining executive remuneration from an objective and neutral standpoint.
April 1979 | Joined the Ministry of Foreign Affairs of Japan |
---|---|
September 2006 | Minister, Embassy of Japan in the United States of America |
July 2008 | Consulate-General of Japan in Shanghai |
August 2010 | Minister Extraordinary and Plenipotentiary of Japan to the People's Republic of China |
August 2013 | Ambassador Extraordinary and Plenipotentiary of Japan to Turkey |
March 2016 | Ambassador Extraordinary and Plenipotentiary of Japan to the People's Republic of China |
December 2020 | Retired from the Ministry of Foreign Affairs of Japan |
March 2021 | Outside Director of Toyo Ink SC Holdings Co., Ltd. |
October 2021 | Chiba Institute of Technology Councillor (to date) |
January 2022 | Distinguished Professor, Chiba Institute of Technology (to date) |
March 2022 | Outside Director and Audit & Supervisory Committee Member of Toyo Ink SC Holdings Co., Ltd. |
June 2022 | Hokuhoku Financial Group Co., Ltd. Outside Director (to date) |
January 2024 | Outside Director and Audit & Supervisory Committee Member of artience Co., Ltd. (to the present) |

Keiko Kimura
(Keiko Kimura)
Outside Director and Audit & Supervisory Committee Member
Born on October 13, 1959
Expected role
He is a qualified lawyer with a high level of expertise and a wide range of knowledge, especially in labor law and personnel and labor matters. He was appointed as a member of the Audit and Supervisory Committee as a member of the Outside Director Audit and Supervisory Committee, with the expectation that he would utilize this knowledge and fulfill his management supervisory and auditing functions from a fair standpoint. In addition, as a member of the Advisory Committee on Appointment and Remuneration Committee, he is responsible for the supervisory function of selecting candidates for officers of the Company and in the process of determining officer remuneration from an objective and neutral standpoint.
April 1980 | Joined ITOCHU Corporation |
---|---|
October 1989 | Joined Citibank, N.A. |
October 2002 | Registered with the Dai-ichi Tokyo Bar Association Joined Anzai & Sotoi Law Office (now Anzai Law Office) |
June 2016 | Outside Director of Toyo Ink SC Holdings Co., Ltd. |
June 2017 | Yashimakizai Co., Ltd. Outside Director Audit & Supervisory Committee Member |
March 2022 | Outside Director and Audit & Supervisory Committee Member of Toyo Ink SC Holdings Co., Ltd. |
January 2024 | Outside Director and Audit & Supervisory Committee Member of artience Co., Ltd. (to the present) |

Minoru Matsumoto
(Minoru Matsumoto)
Outside Director and Audit & Supervisory Committee Member
Born on February 16, 1957
Expected role
As a certified public accountant, he has extensive experience in accounting auditing and considerable knowledge of finance and accounting. He was appointed as a member of the Audit and Supervisory Committee as a member of the Outside Director Audit and Supervisory Committee, with the expectation that he would utilize this knowledge and fulfill his management supervisory and auditing functions from a fair standpoint.
October 1983 | Joined Tohmatsu & Aoki Audit Corp. (now Deloitte Touche Tohmatsu LLC) |
---|---|
March 1987 | Registered as a Certified Public Accountant |
September 2012 | Retired from Deloitte Touche Tohmatsu LLC |
October 2013 | Established Minoru Matsumoto CPA Office |
June 2014 | Sanshin Electric Co., Ltd. Outside Audit & Supervisory Board Member |
June 2015 | Foster Electric Co., Ltd. Outside Director (to date) |
February 2016 | Justec Co., Ltd. Outside Director Audit & Supervisory Committee Member |
March 2021 | Outside Audit & Supervisory Board Member(part-time) of Toyo Ink SC Holdings Co., Ltd. |
March 2022 | Outside Director and Audit & Supervisory Committee Member of Toyo Ink SC Holdings Co., Ltd. |
October 2022 | Representative employee of Terada Accounting Tax Corporation (to date) |
January 2024 | Outside Director and Audit & Supervisory Committee Member of artience Co., Ltd. (to the present) |
Director' expertise and experience (skills matrix)
Regarding the composition of Board of Directors, in order to obtain useful supervision and advice regarding management issues, we have established areas in which we are particularly expected based on a skill matrix, and we have decided to make Director comprised of diverse directors with extensive experience and specialized knowledge. Masu.
Name | Main expertise/experience | ||||||
---|---|---|---|---|---|---|---|
management | Technology/R&D production |
sales marketing |
global | Financial accounting | Human Resources & DE&I | ESG compliance Risk management |
|
Satoru Takashima | ● | ● | ● | ||||
Hiroyuki Hamada | ● | ● | ● | ● | ● | ||
Tomoko Adachi | ● | ● | ● | ||||
Yoshinobu Fujimoto | ● | ● | |||||
Yukihiro Tachihuji | ● | ● | |||||
Noriko Kosugi | ● | ● | ● | ||||
Tetsuaki Sato | ● | ● | |||||
Masayuki Kano | ● | ● | |||||
Yutaka Yokoi | ● | ● | |||||
Keiko Kimura | ● | ● | |||||
Minoru Matsumoto | ● | ● |
* The above matrix is not indicative of the full expertise and experience of each Director.
Item | Reason for selection | |
---|---|---|
Company foundation and growth Matters related to |
management | In order to formulate and implement sustainable growth strategies over the medium to long term, comprehensive judgment is required in corporate management, and experience in business management or organizational management without bias to individual expertise is required. It is selected as. |
Technology/R&D production |
In order to further advance and develop the technology that we have cultivated and to bring about various innovations, we have selected solid knowledge and experience in each field of technology, research and development, quality, and production as necessary items. | |
sales marketing |
In order to steadily increase sales and profits in the market and continue to grow over the medium to long term, we have selected a wealth of knowledge and experience in sales and marketing as necessary. | |
global | As our company is expanding its business globally, we have selected candidates to have overseas management experience, a wide range of knowledge and experience regarding overseas living cultures and business environments, geopolitics, and regional strategies. | |
Achieving company growth Matters to be guaranteed |
Financial accounting | In order to maximize our corporate value through the efficient management of our capital, we need to achieve accurate financial reporting and build a strong financial foundation, promote growth investments to continuously increase corporate value, and increase shareholder returns. Certainty that will strengthen |
Human Resources & DE&I | The Company's most important management resource is human resources, and we have selected experience, insight, and expertise in the human resources field (including human resource development and DE&I) for the diverse human resources who support the Group's value creation as necessary items. | |
ESG compliance Risk management |
In order to promote sustainable management, realize our sustainability vision ASV2050/2030, and solve the social issues indicated in our materiality, we have selected a wide range of experience, insight, and expertise in ESG, compliance, and risk management as important items. |