JIG-SAW INC. · JIG-SAW株式会社
Ownership & governance
Executives 3Directors 6Avg age 56Avg tenure 13.9y
MY
Masunaru Yamakawa
President
Age 59Since 2008-08-31Profile →
+8
Executives3
Board of directors6
MY
Masunaru Yamakawa→
Director/Board Member
Age 59Since 2005-04-30
HS
HIromichi Suzuki→
Director/Board Member
Age 42Since 2013-06-30
TS
Taisei Shiga→
Director/Board Member
Age 53Since 2008-08-31
MM
Makoto Moro
Director/Board Member
Age 65Since 2016-02-29
AY
Akihiko Yamamoto
Director/Board Member
Age 68Since 2016-02-29
SM
Shinichi Misawa
Director/Board Member
Age 66Since 2016-02-29
Shareholders5
| Name | Stake | Shares |
|---|---|---|
| Yukiko Emi | 16.26 % | 1,098,000 |
| Masunaru Yamakawa | 13.48 % | 910,000 |
| Aither Ltd. | 6.68 % | 451,000 |
| Makoto Saitoh | 4.888 % | 330,000 |
| Ryuhei Tanaka | 4.592 % | 310,000 |
Catalog · 2026-07-09
Registry officers9
| Name | Role | Since | Shares |
|---|---|---|---|
| HIromichi Suzuki | Chief Administrative Officer | 2012-10-31 | - |
| Taisei Shiga | Chief Tech/Sci/R&D Officer | 2015-08-31 | - |
| Masunaru Yamakawa | President | 2008-08-31 | - |
| 山川 真考 | 代表取締役社長 | 2005-05-01 | - |
| 山本 明彦 | 取締役(監査等委員) | 2006-12-01 | - |
| 志賀 太生 | 取締役 | 2006-05-01 | - |
| 美澤 臣一 | 取締役(監査等委員) | 1997-07-01 | - |
| 茂呂 眞 | 取締役(監査等委員) | 2014-03-01 | - |
Registry · as of 2026-12-31
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.