Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6019462 | Ink tank and ink jet cartridge | — | 2000-02-01 |
| 5660489 | Sheet-supplying roller recording device | Yasuyuki Ishii, Toshimitsu Hirakue, Shigeru Yoshimura, Kenji Kurita, Masakazu Ozawa +2 more | 1997-08-26 |
| 5504506 | Information recording method capable of performing a high quality recording in accordance with printing conditions | — | 1996-04-02 |