Kiyoto Koyama

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

Net worth: 599 616 $ as of 31/05/2026

60 year

15 connections

Producer Manufacturing

Finance

Consumer Durables

Profile

Kiyoto Koyama currently works at Mercuria Investment Co., Ltd., as Executive Director & Head of Bus Investment Dept from 2008, Mizutani Sangyo Co., Ltd., as Director from 2020, Shinx KK, as Director from 2016, Mercuria Investment KK, as Director & Chief Investment Officer from 2008, TND Holdings KK, as Director from 2017, Shinx Tecom KK, as Director from 2016, Business Market Co., Ltd., as Director from 2016, and Mercuria Holdings Co., Ltd., as Director from 2021.
Mr. Koyama also formerly worked at Tsunoda Co., Ltd., as Representative Director, Pentel Co., Ltd., as Director, Izumi Products Co., as Director, and Development Bank of Japan, Inc., as Corporate Officer from 1990 to 2005.
Mr. Koyama received his graduate degree from Tohoku University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
MERCURIA HOLDINGS CO., LTD. 0.61%	31/12/2025	130,400 ( 0.61% )	599 616 $	31/05/2026

Kiyoto Koyama active positions

Companies	Position	Start
MERCURIA HOLDINGS CO., LTD.	Director/Board Member	01/07/2021
Mercuria Investment KK Mercuria Investment KK MiscellaneousMiscellaneous Functions as an investment holding company	Director/Board Member	01/09/2008
Shinx KK Shinx KK Industrial MachineryProducer Manufacturing Designs, manufactures and distributes machine tools, metal, resin & woodworking processing machines	Director/Board Member	01/05/2016
Shinx Tecom KK	Director/Board Member	01/05/2016
Business Market Co., Ltd. Business Market Co., Ltd. Advertising/Marketing ServicesCommercial Services Operates as a marketing company	Director/Board Member	01/11/2016
TND Holdings KK TND Holdings KK Financial ConglomeratesFinance Functions as an investment holding company	Director/Board Member	01/09/2017
Mizutani Sangyo Co., Ltd. Mizutani Sangyo Co., Ltd. Industrial MachineryProducer Manufacturing Sells casting related products and design and fabrication of dies, jigs and peripheral equipment	Director/Board Member	01/02/2020
Mercuria Investment Co., Ltd. /Private Equity/ Mercuria Investment Co., Ltd. /Private Equity/ Investment ManagersFinance Mercuria Investment invest in companies located in Japan and China. It focuses on companies located in Japan that are operating in a broad range of sectors. It provides financing for growth, business restructure, business succession through buyout transactions, real estate and cash flow.	Director/Board Member	01/10/2008

All active positions of Kiyoto Koyama

Former positions of Kiyoto Koyama

Companies	Position	End
Development Bank of Japan, Inc. /Private Equity/ Development Bank of Japan, Inc. /Private Equity/ Investment ManagersFinance DBJ invests in companies located in Japan. The firm focuses on a broad range of sectors and industries. It provides financing in the form of equity, debt, mezzanine for LBO and MBO transactions.	Corporate Officer/Principal	01/01/2005
░░░░░░░ ░░░░ ░░░░	░░░░░░░░░░░░░░ ░░░░░░	-
░░░░░░ ░░░░ ░░░░	░░░░░░░░░░░░░░ ░░░░░░	-
░░░░░ ░░░░░░░░ ░░░	░░░░░░░░░░░░░░ ░░░░░░	-

See the detail of Kiyoto Koyama's experience

Training of Kiyoto Koyama

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Kiyoto Koyama's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	13
Tsunoda Co., Ltd. Tsunoda Co., Ltd. Tools & HardwareConsumer Durables Develops and manufactures hand tools	Consumer Durables
Tohoku University Tohoku University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Pentel Co., Ltd. Pentel Co., Ltd. Office Equipment/SuppliesProducer Manufacturing Manufactures and sells stationery, office supplies, electronic devices, industrial robots, automatic assembly machines, precision molds for injection molding, hand presses & chemical products	Producer Manufacturing
Mercuria Investment Co., Ltd. /Private Equity/ Mercuria Investment Co., Ltd. /Private Equity/ Investment ManagersFinance Mercuria Investment invest in companies located in Japan and China. It focuses on companies located in Japan that are operating in a broad range of sectors. It provides financing for growth, business restructure, business succession through buyout transactions, real estate and cash flow.	Finance
Development Bank of Japan, Inc. /Private Equity/ Development Bank of Japan, Inc. /Private Equity/ Investment ManagersFinance DBJ invests in companies located in Japan. The firm focuses on a broad range of sectors and industries. It provides financing in the form of equity, debt, mezzanine for LBO and MBO transactions.	Finance
Izumi Products Co. Izumi Products Co. Industrial MachineryProducer Manufacturing Manufactures and distributes electrical tools and hydraulic equipments	Producer Manufacturing
Mizutani Sangyo Co., Ltd. Mizutani Sangyo Co., Ltd. Industrial MachineryProducer Manufacturing Sells casting related products and design and fabrication of dies, jigs and peripheral equipment	Producer Manufacturing
Shinx KK Shinx KK Industrial MachineryProducer Manufacturing Designs, manufactures and distributes machine tools, metal, resin & woodworking processing machines	Producer Manufacturing
Mercuria Investment KK Mercuria Investment KK MiscellaneousMiscellaneous Functions as an investment holding company	Miscellaneous
TND Holdings KK TND Holdings KK Financial ConglomeratesFinance Functions as an investment holding company	Finance
Shinx Tecom KK
Business Market Co., Ltd. Business Market Co., Ltd. Advertising/Marketing ServicesCommercial Services Operates as a marketing company	Commercial Services
Mercuria Holdings Co., Ltd. Mercuria Holdings Co., Ltd. Financial ConglomeratesFinance Operates as a holding company which provides fund management and investment services	Finance