Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978115 | Automatic paper feed device | Shiro Hatakeyama | 1990-12-18 |
| 4901158 | Verification stamp equipment | Kazuyuki Nishino, Shiro Hatakeyama | 1990-02-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978115 | Automatic paper feed device | Shiro Hatakeyama | 1990-12-18 |
| 4901158 | Verification stamp equipment | Kazuyuki Nishino, Shiro Hatakeyama | 1990-02-13 |