Companies/JP/5304

SEC CARBON,LIMITED · SECカーボン株式会社

Ownership & governance

Executives 5Directors 7Avg age 61Avg tenure 8.1y
Tamiaki Ohtani
Chairman
Age 77Since 2018-04-30

Executives5

Koh Nakajima
President
Age 62Since 2018-04-30
Iwai Seiichi
Chief Administrative Officer
Age 60Since 2024-05-31
Kazushige Hasegawa
Chief Administrative Officer
Age 58Since 2021-09-30
Hiroshi Tabata
Corporate Officer/Principal
Age 56Since 2014-08-31
Sanshiro Matsuo
Investor Relations Contact
——

Board of directors7

Tamiaki Ohtani
Chairman
Age 77Since 2018-04-30
Koh Nakajima
Director/Board Member
Age 62Since 2016-05-31
Hiroshi Tabata
Director/Board Member
Age 56Since 2021-05-31
Kazushige Hasegawa
Director/Board Member
Age 58Since 2021-05-31
Chiharu Mori
Director/Board Member
Age 56Since 2023-05-31
Iwai Seiichi
Director/Board Member
Age 60Since 2024-05-31
Hisakazu Otani
Director/Board Member
Age 70Since 1997-05-31

Shareholders5

NameStakeShares
Ohtani Family
19.23 %
3,980,000
MITSUBISHI CORPORATION
9.476 %
1,961,000
SUMITOMO CORPORATION
4.864 %
1,006,500
SEC CARBON,LIMITED
4.128 %
854,195
NIPPON CARBON CO., LTD.
3.929 %
813,000

Catalog · 2026-07-09

Registry officers14

NameRoleSinceShares
中 島 耕代表取締役社長2016-06-01-
井 上 雅 文常勤監査役2017-05-01-
合 田 光 広取締役2026-06-01-
大 谷 壽 一取締役1994-06-01-
大 谷 昌 義取締役2015-03-01-
大 谷 民 明代表取締役会長1993-06-01-
岡 和 彦監査役2006-06-01-
岩 井 清 一取締役2016-06-01-

Registry · as of 2026-03-31

Institutional (13F)

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Fund membership

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Street consensus

Consensus none

Firm rows and rating mix from Yahoo Finance; mean target is Yahoo’s aggregate until OpenFilings derives consensus from broker rows.

Peers