Companies/JP/5989

H-ONE CO.,LTD. · 株式会社エイチワン

Ownership & governance

Executives 5Directors 5Avg age 62Avg tenure 4.1y
Taiji Miyamoto
Director of Finance/CFO

Executives5

Taiji Miyamoto
Director of Finance/CFO
——
Mayumi Seiki
President
Age 58Since 2024-03-31
Masamichi Okuda
Chief Tech/Sci/R&D Officer
Age 61Since 2026-03-31
Carol Henderson
Corporate Officer/Principal
——
Sawaki Hajime
Corporate Officer/Principal
——

Board of directors5

Keiichiro Maruyama
Director/Board Member
Age 62Since 2014-05-31
Kunihiro Todokoro
Director/Board Member
Age 72Since 2016-05-31
Mayumi Seiki
Director/Board Member
Age 58Since 2024-05-31
Masamichi Okuda
Director/Board Member
Age 61Since 2024-05-31
Akiko Yamada
Director/Board Member
Age 59Since 2025-05-31

Shareholders5

NameStakeShares
HONDA MOTOR CO., LTD.
21.33 %
6,055,000
H-One Employee Stock Ownership Plan
3.371 %
957,000
RESONA HOLDINGS, INC.
2.747 %
780,000
JFE HOLDINGS, INC.
2.561 %
727,000
Akira Katayama
2.487 %
706,000

Catalog · 2026-07-09

Registry officers8

NameRoleSinceShares
丸 山 恵 一 郎取締役2009-05-01-
奥 田 正 道取締役副社長執行役員事業統括本部経営企画/情報システム/事業開発/製品開発担当(兼)中国事業本部 本部長2020-04-01-
山 下 和 雄常勤監査役2015-06-01-
山 田 彰 子取締役2020-06-01-
戸 所 邦 弘取締役2009-06-01-
村 上 大 樹監査役2012-04-01-
河 合 宏 幸監査役2015-06-01-
真 弓 世 紀代表取締役社長執行役員(兼)事業統括本部 本部長(兼)北米事業本部 本部長2009-06-01-

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