Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6257694 | Ink jet printer | Susumu Tokumaru, Yoshitaka Iwashita, Hiroshi Fukumoto | 2001-07-10 |
| 6190008 | Bubble remover for inkjet head and method for removing bubbles thereof | Yoshitaka Iwashita, Susumu Tokumaru, Hiroshi Fukumoto | 2001-02-20 |
| 6155671 | Liquid ejector which uses a high-order ultrasonic wave to eject ink droplets and printing apparatus using same | Hiroshi Fukumoto, Jyunichi Aizawa, Hiromu Narumiya, Kunihiko Nakagawa | 2000-12-05 |
| 4566764 | Wide-angle lens | — | 1986-01-28 |
| 4274711 | Bright photographic lens system with rear stop diaphragm | — | 1981-06-23 |