Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666141 | Ink jet head and a method of manufacturing thereof | Hirotsugu Matoba, Susumu Hirata, Yorishige Ishii, Tetsuya Inui, Kenji Ohta +1 more | 1997-09-09 |
| 5587994 | Cartridge used for a disc-shaped recording medium | Toshikazu Nagaura, Kazuhiko Arikawa, Kenji Ohta | 1996-12-24 |