![Yoichi Nishikawa](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>)
Yoichi Nishikawa
Chairman at
First Wood Co. Ltd.
Net worth: 387 M $ as of 30/09/2026
Profile
Mr. Yoichi Nishikawa is a Chairman at First Wood Co. Ltd., a Chairman at Iida Group Holdings Co., Ltd., a Chairman at Diaron Co. Ltd. and a Chairman at Arnest One Corp. He is on the Board of Directors at Daiichi Juutaku Kyoudou Kumiai and Aone Plus KK.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 08/04/2026 | 27,940,720 ( 9.97% ) | 386 M $ | 30/09/2026 | |
First Juken Co., Ltd.
 First Juken Co., Ltd. HomebuildingConsumer Durables Engages in the construction and sale of detached houses 1.24% | 30/04/2026 | 210,000 ( 1.24% ) | 1 M $ | 30/09/2026 |
Yoichi Nishikawa active positions
| Companies | Position | Start |
|---|---|---|
Arnest One Corp.
 Arnest One Corp. HomebuildingConsumer Durables Constructs and sells homes & provides architectural services | Director/Board Member | - |
First Wood Co. Ltd.
 First Wood Co. Ltd. Forest ProductsNon-Energy Minerals Manufactures glued laminated timber and pre-cut timber | Chairman | 01/02/2015 |
Aone Plus KK | Director/Board Member | 01/08/2006 |
Diaron Co. Ltd. | Chairman | 01/09/2012 |
Daiichi Juutaku Kyoudou Kumiai | Director/Board Member | 01/08/2014 |
Former positions of Yoichi Nishikawa
| Companies | Position | End |
|---|---|---|
| IIDA GROUP HOLDINGS CO., LTD. | President | 01/04/2021 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
23
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
Arnest One Corp.
Arnest One Corp. HomebuildingConsumer Durables Constructs and sells homes & provides architectural services | Consumer Durables |
First Wood Co. Ltd.
First Wood Co. Ltd. Forest ProductsNon-Energy Minerals Manufactures glued laminated timber and pre-cut timber | Non-Energy Minerals |
Iida Group Holdings Co., Ltd.
 Iida Group Holdings Co., Ltd. HomebuildingConsumer Durables Manages subsidiaries which are engages in the detached house, condominium and contract construction businesses | Consumer Durables |
Aone Plus KK | |
Diaron Co. Ltd. | |
Daiichi Juutaku Kyoudou Kumiai |
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