Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6361142 | Waste ink reservoir for ink jet printer and ink jet printer incorporating the same | Zenta Kosaka, Mayumi Takamiya | 2002-03-26 |
| 6356710 | DC motor control system and method | Shigemi Sato, Zenta Kosaka | 2002-03-12 |