Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6000654 | Slidable tape drive assembly | — | 1999-12-14 |
| 5975042 | Oil supply apparatus of a four-stroke-cycle engine | Shigemitsu Aizawa, Masatomi Nijoh | 1999-11-02 |
| 5709185 | Lubricating system for four-stroke-cycle engine | Shigemitsu Aizawa, Naohiro Maruyama | 1998-01-20 |