Keita Masuyama

Director/Board Member at TAMAGAWA HOLDINGS CO., LTD.

Net worth: 288 423 $ as of 31/05/2026

50 year

Electronic Technology

Producer Manufacturing

Profile

Keita Masuyama currently works at Tamagawa Holdings Co., Ltd., as Director from 2015 and Bioenergy Resources Co., Ltd., as Director from 2010.
Mr. Masuyama also formerly worked at Tamagawa Electronics Co., Ltd., as Director and Tokyo Park Engineering KK, as Director from 2008.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
TAMAGAWA HOLDINGS CO., LTD. 0.24%	31/10/2025	22,000 ( 0.24% )	288 423 $	31/05/2026

Keita Masuyama active positions

Companies	Position	Start
TAMAGAWA HOLDINGS CO., LTD.	Director/Board Member	01/06/2015
Bioenergy Resources Co., Ltd.	Director/Board Member	19/09/2010

All active positions of Keita Masuyama

Former positions of Keita Masuyama

Companies	Position	End
Tokyo Park Engineering KK Tokyo Park Engineering KK Building ProductsProducer Manufacturing Manufactures and wholesales garages	Director/Board Member	-
Tamagawa Electronics Co., Ltd.	Director/Board Member	-

See the detail of Keita Masuyama's experience

Experiences
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Private companies

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Linked companies

Private companies	4
Tamagawa Holdings Co., Ltd. Tamagawa Holdings Co., Ltd. Electronic Production EquipmentElectronic Technology Manufactures high-frequency components for wireless telecommunications equipment	Electronic Technology
Tokyo Park Engineering KK Tokyo Park Engineering KK Building ProductsProducer Manufacturing Manufactures and wholesales garages	Producer Manufacturing
Bioenergy Resources Co., Ltd.
Tamagawa Electronics Co., Ltd.