Hiroichi Yokoyama
Founder at PROTO CORPORATION
Net worth: 152 M $ as of 29/04/2024
Hiroichi Yokoyama active positions
| Companies | Position | Start | End |
|---|---|---|---|
| PROTO CORPORATION | Founder | 01/10/1977 | - |
| Chairman | 31/03/2003 | - | |
| Director/Board Member | 01/04/1979 | 31/03/2003 | |
| President | 31/05/1979 | 31/03/2003 | |
| Proto Data Center KK | Chairman | 31/03/2007 | - |
Autoway Co., Ltd.
 Autoway Co., Ltd. Specialty StoresRetail Trade Part of Proto Corp., Autoway Co., Ltd. is a Japanese company that specializes in importing summer tires, studless tires, and wheels directly from manufacturers around the world. The company is based in Miyako-gun, Japan. With cumulative sales of 32 million units, Autoway has become a leading provider in the industry, always having 800,000 units in stock. For any inquiries, customers can contact the call center for assistance. Autoway Co. was acquired by Proto Corp. from Mitsuya Shoji KK on April 01, 2013. | Chairman | 31/03/2020 | - |
Career history of Hiroichi Yokoyama
Former positions of Hiroichi Yokoyama
| Companies | Position | Start | End |
|---|---|---|---|
| Proto (Shanghai) Advertisement Co., Ltd. | Chairman | 31/08/2004 | - |
MARS FLAG Corp.
 MARS FLAG Corp. Information Technology ServicesTechnology Services MARS FLAG Corp. is a holding company that develops web search engine solutions. It provides web services that can be implemented as an application service provider. The firm's services encompass website search service, website quality management service, and PDF viewer service. The company was founded by Shinya Takei in October 1998 and is headquartered in Tokyo, Japan. | Chairman | 31/07/2004 | - |
System-One Corp.
 System-One Corp. Packaged SoftwareTechnology Services Part of Proto Corp., System-One Corp. develops and wholesales software. The company is based in Sendai, Japan. System-One was acquired by Proto Corp. on October 01, 2009 for $3.27 million. | Chairman | 02/08/2010 | - |
| Repair Tech, Inc. | Chairman | 31/08/2005 | - |
| President | 31/08/2005 | - | |
| Goo Auto Inc. | Chairman | 02/08/2010 | - |
Statistics
International
| Japan | 8 |
| China | 2 |
Operational
| Chairman | 8 |
| President | 2 |
| Director/Board Member | 1 |
Sectoral
| Technology Services | 4 |
| Retail Trade | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Listed companies | 1 |
|---|---|
| PROTO CORPORATION | Technology Services |
| Private companies | 7 |
|---|---|
MARS FLAG Corp.
MARS FLAG Corp. Information Technology ServicesTechnology Services MARS FLAG Corp. is a holding company that develops web search engine solutions. It provides web services that can be implemented as an application service provider. The firm's services encompass website search service, website quality management service, and PDF viewer service. The company was founded by Shinya Takei in October 1998 and is headquartered in Tokyo, Japan. | Technology Services |
System-One Corp.
System-One Corp. Packaged SoftwareTechnology Services Part of Proto Corp., System-One Corp. develops and wholesales software. The company is based in Sendai, Japan. System-One was acquired by Proto Corp. on October 01, 2009 for $3.27 million. | Technology Services |
Autoway Co., Ltd.
Autoway Co., Ltd. Specialty StoresRetail Trade Part of Proto Corp., Autoway Co., Ltd. is a Japanese company that specializes in importing summer tires, studless tires, and wheels directly from manufacturers around the world. The company is based in Miyako-gun, Japan. With cumulative sales of 32 million units, Autoway has become a leading provider in the industry, always having 800,000 units in stock. For any inquiries, customers can contact the call center for assistance. Autoway Co. was acquired by Proto Corp. from Mitsuya Shoji KK on April 01, 2013. | Retail Trade |
| Proto Data Center KK | |
| Repair Tech, Inc. | |
| Goo Auto Inc. | |
| Proto (Shanghai) Advertisement Co., Ltd. |
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