JASON CO., LTD. · 株式会社ジェーソン
Ownership & governance
Executives 3Directors 7Avg age 66Avg tenure 10.8y
MO
Masahiko Ota
Chairman
Age 69Since 2003-04-30Profile →
+9
Executives3
Board of directors7
MO
Masahiko Ota→
Chairman
Age 69Since 2003-04-30
SK
Shigeo Kamijo
Director/Board Member
Age 88Since 2018-04-30
YS
Yukihiko Seno
Director/Board Member
Age 74Since 2012-04-30
KY
Kimio Yamada→
Director/Board Member
Age 64Since 2017-04-30
KM
Keiichiro Miyamoto
Director/Board Member
Age 67Since 2018-04-30
MI
Makoto Iwasaki→
Director/Board Member
Age 61Since 2024-04-30
NO
Naoya Okamoto
Director/Board Member
Age 45Since 2024-04-30
Shareholders5
| Name | Stake | Shares |
|---|---|---|
| Ota Family | 34.03 % | 4,360,300 |
| Masahiko Ota | 25.47 % | 3,262,700 |
| Masako Ota | 6.244 % | 800,000 |
| Keitaro Ota | 2.989 % | 383,000 |
| Kotaro Ota | 2.953 % | 378,300 |
Catalog · 2026-07-09
Registry officers8
| Name | Role | Since | Shares |
|---|---|---|---|
| Kimio Yamada | Chief Administrative Officer | 2023-02-28 | - |
| Makoto Iwasaki | Chief Administrative Officer | 2024-04-30 | - |
| Masahiko Ota | President | 1989-04-30 | - |
| 勢能 志彦 | 取締役（監査等委員）非常勤 | 2005-06-01 | - |
| 太田 万三彦 | 取締役社長兼会長兼営業本部長 （代表取締役） | 1985-05-01 | - |
| 宮本 啓一郎 | 取締役（監査等委員）非常勤 | 2008-05-01 | - |
| 山田 仁夫 | 専務取締役管理本部長 | 2017-05-01 | - |
| 岡本 直也 | 取締役（監査等委員）非常勤 | 2018-09-01 | - |
Registry · as of 2027-02-28
Institutional (13F)
Loading Form 13F holders…
Fund membership
Loading fund baskets…
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.