![Hisao Takeyama](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Hisao Takeyama
Chairman at
CHUO MALLEABLE IRON CO., LTD.
Net worth: 2 M $ as of 2026-09-29
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 |
|---|---|---|---|---|
| 2025-03-30 | 405,000 ( 2.53% ) | 2 M $ | 2026-09-29 |
Hisao Takeyama active positions
| Companies | Position | Start |
|---|---|---|
| CHUO MALLEABLE IRON CO., LTD. | Chairman | 2018-05-31 |
Suzhou Ishikawa Iron Manufacturing Co., Ltd.
 Suzhou Ishikawa Iron Manufacturing Co., Ltd. SteelNon-Energy Minerals Manufacture modular cast iron products | Director/Board Member | 2001-03-31 |
Chukyo Co., Ltd.
 Chukyo Co., Ltd. Industrial MachineryProducer Manufacturing Manufactures and wholesales cutting tools | Comptroller/Controller/Auditor | 1994-02-28 |
Toki Malleable Iron Co., Ltd.
 Toki Malleable Iron Co., Ltd. SteelNon-Energy Minerals Manufactures and markets ductile iron products | Comptroller/Controller/Auditor | 1995-05-31 |
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 | 2013-05-31 |
Mizuho Kinzoku Kogyo KK | Comptroller/Controller/Auditor | - |
Daiichi Yuzo KK | Comptroller/Controller/Auditor | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
24
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
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 |
- Stock Market
- Insiders
- Hisao Takeyama
