Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783204 | Ink-jet image-forming method and image-forming apparatus | Kenji Tanaka | 2004-08-31 |
| 6024433 | Ink jet recording device | Kohji Tsurui, Hiroshi Kubota, Hisashi Yoshimura, Kazuya Koyama, Norihiro Ochi | 2000-02-15 |
| 5650812 | Recording head for preventive air intrusion into the common chamber | Norihiro Ochi, Hisashi Yoshimura | 1997-07-22 |
| 5572241 | Ink jet printer capable of detecting lack of ink | Hisashi Yoshimura, Norihiro Ochi | 1996-11-05 |
| 5475408 | Ink jet head apparatus | — | 1995-12-12 |
| 5128694 | Head for ink-jet printer | — | 1992-07-07 |
| 4914453 | Ink reservoir of ink jet printer | Hirokazu Kohda | 1990-04-03 |
| 4760408 | Color ink jet system printer | — | 1988-07-26 |
| 4498088 | Ink jet air bubble detection | — | 1985-02-05 |
| 4460906 | Ink jet head with welded components | — | 1984-07-17 |
| 4422085 | Ink liquid viscosity control in an ink liquid supply system for an ink jet system printer | Yuji Sumitomo | 1983-12-20 |