Osamu Tsuji

Chief Executive Officer at SAMCO INC.

Net worth: 108 M $ as of 2026-05-30

84 year

Electronic Technology

Miscellaneous

Profile

Osamu Tsuji is the founder of SAMCO, Inc., established in 1979, holding the title of Chairman & Chief Executive Officer since 2018.
Mr. Tsuji currently holds the position of Chairman at Samco Science & Technology Fundation since 2016 and serves as Representative Director at Samco Engineering Corp.
since 1986.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
SAMCO, INC. 21.27%	2026-01-30	1,711,000 ( 21.27% )	108 M $	2026-05-30

Osamu Tsuji active positions

Companies	Position	Start
SAMCO INC.	Chief Executive Officer	2016-09-30
Samco Engineering Corp.	Director/Board Member	1986-05-31
Samco Science & Technology Fundation Samco Science & Technology Fundation Investment Trusts/Mutual FundsMiscellaneous Foundation/Endowment	Chairman	2016-03-31

All active positions of Osamu Tsuji

Experiences
Positions held

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Private companies

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Connections

1st degree connections

1st degree companies

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Members of the board

Executives

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Linked companies

Private companies	3
SAMCO, Inc. SAMCO, Inc. Electronic Production EquipmentElectronic Technology Manufactures electronic parts	Electronic Technology
Samco Engineering Corp.
Samco Science & Technology Fundation Samco Science & Technology Fundation Investment Trusts/Mutual FundsMiscellaneous Foundation/Endowment	Miscellaneous

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