Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690442 | Metal tip for ball-point pen | Shinsuke Sato, Toru Kitao, Masao Hashi | 1997-11-25 |
| 5691863 | Power feeding device for VTR rotating drum | — | 1997-11-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690442 | Metal tip for ball-point pen | Shinsuke Sato, Toru Kitao, Masao Hashi | 1997-11-25 |
| 5691863 | Power feeding device for VTR rotating drum | — | 1997-11-25 |