Companies/JP/7355

ISSUNBOU CO.,LTD.

Ownership & governance

Executives 3Directors 4Avg age 64Avg tenure 12.3y
Tetsumasa Kamiyama
President
Age 64Since 2005-08-10Profile →

Executives3

Tetsumasa Kamiyama
President
Age 64Since 2005-08-10
Akihisa Furuta
Investor Relations Contact
Age 64—
Kenichi Yasui
Comptroller/Controller/Auditor
Age 52Since 2019-09-30

Board of directors4

Tetsumasa Kamiyama
Director/Board Member
Age 64Since 2005-08-10
Akihisa Furuta
Director/Board Member
Age 64Since 2016-07-31
Seiichi Goto
Director/Board Member
Age 62Since 2016-07-31
Hideto Nakayama
Director/Board Member
Age 75Since 2021-02-28

Shareholders5

NameStakeShares
Kamiyama KK
61.52 %
350,825
Tetsumasa Kamiyama
24.85 %
141,725
Hokkaido Research Inst For The Twenty-First Century Co., Ltd.
4.384 %
25,000
Santo Co. Ltd. /Hokkaido/
3.025 %
17,250
Masashi Seo
0.7672 %
4,375

Catalog · 2026-07-09

Registry officers7

NameRoleSinceShares
Akihisa FurutaDirector/Board Member2016-07-31-
Hideto NakayamaDirector/Board Member2021-02-28-
Seiichi GotoDirector/Board Member2016-07-31-
Tetsumasa KamiyamaDirector/Board Member2005-08-10-
Akihisa FurutaInvestor Relations Contact—-
Kenichi YasuiComptroller/Controller/Auditor2019-09-30-
Tetsumasa KamiyamaPresident2005-08-10-

Registry · as of 2026-07-09

Institutional (13F)

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Peers