Masao Sekiguchi

President at MAMIYA-OP CO., LTD.

Net worth: 27 M $ as of 2026-09-29

69 year

16 connections

Consumer Durables

Technology Services

Producer Manufacturing

Profile

Masao Sekiguchi is President & Representative Director at Mamiya-OP Co., Ltd. since 2022.
Senior Managing Representative Director at Data Art, Inc. since 2007.
Former Outside Director at Gamecard Holdings, Inc. Auditor at Mamiya-OP Co., Ltd. from 2006 to 2017.
Auditor at Kasco Corp.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
MAMIYA-OP CO.,LTD 37.82%	2026-03-30	3,974,700 ( 37.82% )	27 M $	2026-09-29

Masao Sekiguchi active positions

Companies	Position	Start
MAMIYA-OP CO., LTD.	President	2022-06-28
Data Art, Inc. Data Art, Inc. Packaged SoftwareTechnology Services Develops image display software and products related to amusement machines	Director/Board Member	2011-04-04

All active positions of Masao Sekiguchi

Former positions of Masao Sekiguchi

Companies	Position	End
MAMIYA-OP CO., LTD.	Comptroller/Controller/Auditor	2017-06-28
Kasco Corp. Kasco Corp. Recreational ProductsConsumer Durables Manufactures and sells golf equipment	Comptroller/Controller/Auditor	-
GAMECARD HOLDINGS, INC.	Director/Board Member	-

See the detail of Masao Sekiguchi's experience

Experiences
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Private companies

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Linked companies

Private companies	4
Mamiya-OP Co., Ltd. Mamiya-OP Co., Ltd. Recreational ProductsConsumer Durables Manufactures and distributes golf-related goods, blocking rods, arrows, bows and small automatic ticket vending machines & provides real estate selling and leasing services	Consumer Durables
Data Art, Inc. Data Art, Inc. Packaged SoftwareTechnology Services Develops image display software and products related to amusement machines	Technology Services
Kasco Corp. Kasco Corp. Recreational ProductsConsumer Durables Manufactures and sells golf equipment	Consumer Durables
Gamecard-Joyco Holdings, Inc. Gamecard-Joyco Holdings, Inc. Industrial ConglomeratesProducer Manufacturing Manufactures gaming machines	Producer Manufacturing