Hisao Takeyama

Chairman at CHUO MALLEABLE IRON CO., LTD.

Net worth: 2 M $ as of 30/06/2026

70 year

Non-Energy Minerals

Producer Manufacturing

Profile

Hisao Takeyama is currently the Chairman at Chuo Malleable Iron Co., Ltd. since 2018.
He is also the Vice Chairman at Suzhou Ishikawa Iron Manufacturing Co., Ltd. since 2001.
Additionally, he holds the position of Auditor at Toki Malleable Iron Co., Ltd. since 1995 and Auditor at Chukyo Co., Ltd. since 1994.
His former positions include Chairman at Suzhou Chuo Malleable Iron Co., Ltd. from 2001 to 2013, Auditor at Daiichi Yuzo KK, and Auditor at Mizuho Kinzoku Kogyo KK.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
CHUO MALLEABLE IRON CO., LTD. 2.53%	31/03/2025	405,000 ( 2.53% )	2 M $	30/06/2026

Hisao Takeyama active positions

Companies	Position	Start
CHUO MALLEABLE IRON CO., LTD.	Chairman	01/06/2018
Suzhou Ishikawa Iron Manufacturing Co., Ltd. Suzhou Ishikawa Iron Manufacturing Co., Ltd. SteelNon-Energy Minerals Manufacture modular cast iron products	Director/Board Member	01/04/2001
Chukyo Co., Ltd. Chukyo Co., Ltd. Industrial MachineryProducer Manufacturing Manufactures and wholesales cutting tools	Comptroller/Controller/Auditor	01/03/1994
Toki Malleable Iron Co., Ltd. Toki Malleable Iron Co., Ltd. SteelNon-Energy Minerals Manufactures and markets ductile iron products	Comptroller/Controller/Auditor	01/06/1995

All active positions of Hisao Takeyama

Former positions of Hisao Takeyama

Companies	Position	End
Suzhou Chuo Malleable Iron Co., Ltd. Suzhou Chuo Malleable Iron Co., Ltd. SteelNon-Energy Minerals Manufactures iron products	Chairman	01/06/2013
Mizuho Kinzoku Kogyo KK	Comptroller/Controller/Auditor	-
Daiichi Yuzo KK	Comptroller/Controller/Auditor	-

See the detail of Hisao Takeyama's experience

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Hisao Takeyama's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

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Linked companies

Private companies	7
Chuo Malleable Iron Co., Ltd. Chuo Malleable Iron Co., Ltd. Metal FabricationProducer Manufacturing Manufactures and markets ductile cast iron products, steel furniture, machine tools and related products	Producer Manufacturing
Toki Malleable Iron Co., Ltd. Toki Malleable Iron Co., Ltd. SteelNon-Energy Minerals Manufactures and markets ductile iron products	Non-Energy Minerals
Chukyo Co., Ltd. Chukyo Co., Ltd. Industrial MachineryProducer Manufacturing Manufactures and wholesales cutting tools	Producer Manufacturing
Suzhou Chuo Malleable Iron Co., Ltd. Suzhou Chuo Malleable Iron Co., Ltd. SteelNon-Energy Minerals Manufactures iron products	Non-Energy Minerals
Suzhou Ishikawa Iron Manufacturing Co., Ltd. Suzhou Ishikawa Iron Manufacturing Co., Ltd. SteelNon-Energy Minerals Manufacture modular cast iron products	Non-Energy Minerals
Daiichi Yuzo KK
Mizuho Kinzoku Kogyo KK