Companies/JP/4061

DENKA COMPANY LIMITED · デンカ株式会社

Executives 5Directors 9Avg age 66Avg tenure 3.1y

Toshio Imai

Chairman

Age 67Since 2025-03-31

Executives5

Rimiru Hayashida

Director of Finance/CFO

Age 65Since 2025-03-31

Age 64Since 2025-03-31

Compliance Officer

Masanobu Kosaka

Chief Tech/Sci/R&D Officer

Age 63Since 2025-05-31

Investor Relations Contact

Board of directors9

Akio Yamamoto

Director/Board Member

Age 74Since 2015-05-31

Toshio Kinoshita

Director/Board Member

Age 77Since 2019-05-31

Toshio Imai

Chairman

Age 67Since 2025-03-31

Director/Board Member

Age 64Since 2023-05-31

Mizuhiro Uchida

Director/Board Member

Age 64Since 2023-05-31

Miyuki Matoba

Director/Board Member

Age 52Since 2021-05-31

Rimiru Hayashida

Director/Board Member

Age 65Since 2025-03-31

Rumiko Nakata

Director/Board Member

Age 70Since 2024-05-31

Shareholders5

Name	Stake	Shares
Nomura Asset Management Co., Ltd.	11.05 %	9,788,100
Amova Asset Management Co., Ltd.	6.872 %	6,085,300
Asset Management One Co., Ltd.	6.662 %	5,900,000
MIZUHO FINANCIAL GROUP, INC.	3.632 %	3,215,935
Mizuho Bank Pension Fund	3.631 %	3,215,800

Catalog · 2026-07-09

Registry officers14

Name	Role	Since	Shares
Masanobu Kosaka	Chief Tech/Sci/R&D Officer	2025-05-31	-
Rimiru Hayashida	Director of Finance/CFO	2025-03-31	-
Ikuo Ishida	President	2025-03-31	-
Miyoshi Saito	Investor Relations Contact	—	-
Takashi Hara	Compliance Officer	—	-
中田るみ子	取締役	2018-03-01	-
今井俊夫	代表取締役会長	2013-04-01	-
内田瑞宏	取締役常勤監査等委員	2023-06-01	-

Registry · as of 2026-07-09