![Koichi Tamura](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>)
Koichi Tamura
Director/Board Member at
ASJ INC.
Net worth: 250 516 $ as of 31/05/2026
Profile
Koichi Tamura is currently the Director at ASJ Inc. since 2015.
He is also currently working as an Auditor at eFUSION Co., Ltd., ASJ Commerce KK, ITECS Corp., and Touhoku Information System Co., Ltd. since 2010 and 2016 respectively.
Previously, he worked as an Auditor at NTT Data Itecs Corp.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
ASJ INC. 1.5% | 30/09/2025 | 119,400 ( 1.5% ) | 250 516 $ | 31/05/2026 |
Koichi Tamura active positions
| Companies | Position | Start |
|---|---|---|
| ASJ INC. | Director/Board Member | 01/06/2015 |
eFUSION Co., Ltd.
 eFUSION Co., Ltd. Miscellaneous Commercial ServicesCommercial Services Provides Internet contents service | Comptroller/Controller/Auditor | 01/06/2010 |
ASJ Commerce KK | Comptroller/Controller/Auditor | 01/06/2010 |
ITECS Corp. /Chuo-Ku/
 ITECS Corp. /Chuo-Ku/ Packaged SoftwareTechnology Services Develops enterprise resource planning software | Comptroller/Controller/Auditor | 01/02/2016 |
Touhoku Information System Co., Ltd. | Comptroller/Controller/Auditor | 01/02/2016 |
Former positions of Koichi Tamura
| Companies | Position | End |
|---|---|---|
NTT Data Itecs Corp.
 NTT Data Itecs Corp. Packaged SoftwareTechnology Services Develops enterprise resource planning software | Comptroller/Controller/Auditor | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
9
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
ASJ Inc.
 ASJ Inc. Data Processing ServicesTechnology Services Provides Internet hosting and content services | Technology Services |
eFUSION Co., Ltd.
eFUSION Co., Ltd. Miscellaneous Commercial ServicesCommercial Services Provides Internet contents service | Commercial Services |
NTT Data Itecs Corp.
NTT Data Itecs Corp. Packaged SoftwareTechnology Services Develops enterprise resource planning software | Technology Services |
ASJ Commerce KK | |
ITECS Corp. /Chuo-Ku/
ITECS Corp. /Chuo-Ku/ Packaged SoftwareTechnology Services Develops enterprise resource planning software | Technology Services |
Touhoku Information System Co., Ltd. |
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