Chief Executive Officer (CEO)
Kazuaki Toyosawa

He grew up in a family that has been in business for generations, and from an early age he was intimately familiar with the business. In 2003, he joined the family business, TOYOKOH, where he worked to change the construction industry from 3K (harsh, dirty and dangerous) to 3C (Cool, Clean and Creative). After the completion of the world's highest output 6kW model (G-19), the latest machine, in autumn 2021, he increased his involvement in the CoolLaser business again and strongly promoted sales and development, demonstrating his originality and leadership skills.

Chief Financial Officer (CFO)
Hajime Shirai

Graduated from Keio University in 2009 and is a chartered accountant. In 2020, he joined TOYOKOH as Director and CFO, where he is busy arranging and allocating the people, goods and money required for the once-in-a-century innovation of hardware in the civil engineering sector.

Director and Chief Sales Officer (CSO)
Kazuomi Usuki

He is a second-class architect and first-class construction management engineer who joined TOYOKOH in 2001 and is one of the company's oldest members. In addition to the SOSEI business, he will also oversee sales of the CoolLaser business from 2021, and is making daily efforts towards the use of high-power lasers in the outdoor construction field, which has not yet been put to practical use in the world and which originated in Japan.

Executive Officer and Chief Technology Officer (CTO)
Wataru Uchida

1993 Graduated from Keio University (M.S. in Science and Engineering), PMI Certified Project Management Professional (PMP)®.
After working for Canon Inc. for many years in laser printer development, he was transferred to Canon Tokki, a group company, where he contributed to the development of video display manufacturing equipment for a Korean conglomerate consumer electronics manufacturer and the establishment of a business model for after-sales service worth several hundred million yen annually. He has been involved in many project management projects related to product development and productivity improvement of organizations by utilizing his coaching skills. He has many knowledge that can be applied to the creation of the CoolLaser market, including product design related to lasers, project management for product and technology development, and building business models with overseas companies.

Executive Officer and Chief Operating Officer (COO)
Noriyuki Suzuki

He has worked in sales, planning, product strategy, APAC sales manager, overseas factory manager, and U.S. subsidiary of a major component company. In 2017, he joined NVIDIA, a leader in AI. In 2017, he joined NVIDIA, a leader in AI, to expand the video analytics market by organizing the IVA (Intelligent Video Analytics) Summit, establishing a community of AI-based video analytics app development partners and users, and accelerating the adoption of AI in Japan with promising domestic AI app vendors. In 2019, he joined EDGEMATRIX as a founding member; in April 2024, he joined TOYOKOH to develop sales strategies and lead the sales department for large companies and municipalities that own social infrastructure structures.

Outside director
Kazuhisa Fujita

Professor in the field of optical energy at the Graduate Institute for the Creation of New Photonics Industries. After completing his PhD in electrical engineering at the Graduate School of Engineering, Osaka University, he engaged in research on laser fusion, X-ray spectroscopy devices and space applications of high-power lasers at Osaka University, JENA University in Germany, JAXA and other specialised institutions, and made significant contributions to the acquisition of the CoolLaser's basic patents in Japan and the USA. From 2022, he will be a member of the board of directors of the Graduate University for the Creation of New Photonics Industries.

Outside director
Sho Kikkawa

2002 Medal with Blue Ribbon. 2009 The Order of the Rising Sun. After serving as general secretary and vice-chairman of the Central Executive Committee of the Suzuki Workers' Union (15,000 members), he served as a member of the Hamamatsu City Council and Shizuoka Prefecture Assembly. He is responsible for the governance of the TOYOKOH management team with a strict manufacturer's perspective on cost control.

Auditor
Hikaru Sasaki

From 2012 to 2021, he worked at Deloitte Tohmatsu, focusing on statutory audits and M&A-related work After becoming an independent auditor in 2021, he supported listed companies in closing accounts, provided accounting consulting and assisted companies preparing for listing in establishing closing and management systems After becoming an auditor at TOYOKOH in 2022, he has been working to improve corporate governance by providing his independent In 2022, he became an auditor of TOYOKOH and has been working to improve corporate governance by expressing his opinions to the management from an independent standpoint.

Auditor
Hiroshi Abe

From 2005 to 2015, he worked at Deloitte Tohmatsu. He was mainly engaged in listing support services for venture companies and support services for the establishment of business management systems. After leaving Deloitte Tohmatsu, he established Accounting Force Tax Corporation, where he provides a wide range of services in both accounting and business administration.

Auditor
Fumiaki Kawazoe

He received his LLM in International Tax Law from Leiden University in the Netherlands in 2018, and founded JTC Tokyo Law Offices in 2021. He advises on a wide range of general corporate matters, with a focus on supporting the design and implementation of incentive compensation and equity financing for listed and unlisted startups.

Advisor
Kazuhiro Nishikawa

After joining the then Ministry of Construction in 1978, he served as Director General of the National Institute for Land and Infrastructure Management (NILIM) from 2009-12, President of the National Research Institute of Public Works from 2017-22, and Chairman of the Steel Structure Committee at JSCE from 2007-09. He is a leading expert in the maintenance of road bridges in Japan.
His relationship with TOYOKOH began in 2015 with his appointment as a member of the "Standardization JIS Drafting Committee for Surface Treatment of Structural Steel by Laser Irradiation". Furthermore, when CoolLaser® was selected for the Public Works Research Institute's Innovative Social Infrastructure Development R&D Promotion Project (interest-free loan) established in FY2019, we became involved in supporting technological development and have continued to hold study sessions after stepping down as chairman of the board. He became an advisor in 2023 to promote the use of CoolLaser® as a savior for steel bridges that have suffered corrosion due to salt damage.