Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650812 | Recording head for preventive air intrusion into the common chamber | Hisashi Yoshimura, Yoshio Kanayama | 1997-07-22 |
| 5648803 | Ink jet recorder capable of reliably sealing ink jet nozzle | Kazuya Koyama, Kohji Tsurui, Hisashi Yoshimura | 1997-07-15 |