Representative Director

Tsubasa Ueno

B.A. in Economics, School of Political Science and Economics, Meiji University
2014　MUFG Bank, Ltd.
2017　Director of KAPOC Co., Ltd.
2018　Representative Director of Riken Alumite Industry Co., Ltd.
2021　Representative Director of Former Kanto Chemical Industry Co., Ltd.
2022　Representative Director of RC HOLDINGS Co., Ltd.
2022　Representative Director of Former Miyako Seiki Co., Ltd.
2023　Representative Director of SANEI Co., Ltd.

Director

Masayasu　Miyama

B.A. in Political Science and Economics, Meiji University
Representative Director of FUJITAKA KENSO Co., Ltd.
2018　Director of Riken Alumite Industry Co., Ltd.
2022　Director of RC HOLDINGS Co., Ltd.

Director

Toshiro Horikiri

B.A. in Department of Metallurgical Engineering Shibaura Institute of Technology
1980　Riken Alumite Industry Co., Ltd.
2019　Director, Factory Manager of Riken Alumite Industry Co., Ltd.
2020　Managing Director of Riken Alumite Industry Co., Ltd.

Director

Naoya Shite

B.A in Faculty of Business, College of the Desert
2014　Kobayashi Pharmaceutical Co., Ltd.
2023　Director of Former Kanto Chemical Industry Co., Ltd.
2023　Director of RC HOLDINGS Co., Ltd.

Director

Kazunori Yamashita

1987 Joined Mitsubishi Metal Corporation (currently Mitsubishi Materials Corporation)
1994 Joined Chiyoda Plating Y.K.
2014 Joined Riken Alumite Industry Co., Ltd.
2022 Director of Riken Alumite Industry Co., Ltd.
2024 Managing Director of Riken Alumite Industry Co., Ltd.
2024 Director of RC HOLDINGS Co., Ltd.
2025 Managing Director of Sanei Co., Ltd.

Director

Norihisa Mimura

1990 Joined Matsushita Electric Industrial Co., Ltd.
2007 Appointed Executive Officer, Japan Representative, Panasonic Avionics Corporation
2022 General Manager of Sales Department, Kanto Chemical Industry Co., Ltd.
2023 Director of Kanto Chemical Industry Co., Ltd.
2023 Executive Officer of RC HOLDINGS Co., Ltd.
2023 Senior Managing Director of Kanto Chemical Industry Co., Ltd.
2024 Director of RC Holdings Co., Ltd.
2025 Director of Riken Alumite Industry Co., Ltd.

Auditor

Shinya Ohata

B.A. in Commerce, Faculty of Economics, Meiji Gakuin University
Graduated from Shizuoka University Graduate School of Humanities and Social Sciences, Department of Tax Law

2012　Established Shinya Ohata Certified Public Tax Accountant Office
2013　Established TS Certified Public Tax Accounting Corporation, Representative Partner
2022　Auditor of RC Holdings Co.
2022　Auditor of Riken Anodized Aluminum Industry Co.

Auditor

Keisuke Watanabe

Graduated from Akita Prefectural Noshiro Technical High School
2014　Representative Director of Bestrevenge Co.
2021　Representative Director of TKK Co.
2022　Auditor of RC Holdings Co.
2023　Representative Director of Fantasista Co.