Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7845070 | Manufacturing method of ink jet head | — | 2010-12-07 |
| 7086154 | Process of manufacturing nozzle plate for ink-jet print head | Atsushi Ito, Tsuyoshi Eguchi, Toshiya Matsuyama, Yasunori Kobayashi | 2006-08-08 |
| 5984447 | L-shaped inkjet print head in which driving voltage is directly applied to driving electrodes | — | 1999-11-16 |
| 5840374 | Method of forming a SiO.sub.2 passivation film on a plastic substrate | Kazuyuki Ito, Kyuzo Nakamura, Michio Ishikawa, Jun Togawa, Noriaki Tani +1 more | 1998-11-24 |
| 5825386 | Piezoelectric ink-jet device and process for manufacturing the same | — | 1998-10-20 |
| 5677717 | Ink ejecting device having a multi-layer protective film for electrodes | — | 1997-10-14 |
| 5594482 | Ink jet printer head with ink channel protective film | — | 1997-01-14 |
| 5554451 | Optical data recording medium | Kazunari Taki, Takuya Hamaguchi, Hideo Maruyama, Riki Matsuda | 1996-09-10 |
| 5554418 | Method of forming passivation film | Kazuyuki Ito, Kyuzo Nakamura, Michio Ishikawa, Jun Togawa, Noriaki Tani +1 more | 1996-09-10 |
| 5475407 | Ink ejecting printer head | — | 1995-12-12 |
| 5455818 | Optical recording medium | — | 1995-10-03 |
| 5277783 | Manufacturing method for orifice plate | Hideo Maruyama | 1994-01-11 |
| 5199024 | Optical data storage medium having embedded tracking information | Kazunari Taki, Hideo Maruyama, Riki Matsuda | 1993-03-30 |
| 5095478 | Optical data storage medium having interference and flattening layers each having specific thickness for improved information reading and tracking reliability | Kazunari Taki, Hideo Maruyama, Riki Matsuda | 1992-03-10 |
| 5089358 | Optical recording medium | Kazunari Taki, Hideo Maruyama, Riki Matsuda | 1992-02-18 |
| D318482 | Electronic music keyboard | Masaki Koide | 1991-07-23 |
| D317931 | Electronic musical keyboard | Masaki Koide | 1991-07-02 |