Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5880762 | Ink jet head with preliminary heater element | Hiroyuki Ishinaga, Kazuaki Masuda, Junji Shimoda, Fumio Murooka, Tatsuo Furukawa +6 more | 1999-03-09 |
| 5784079 | Ink jet head and ink jet apparatus on which the ink jet head is mounted | Kazuaki Masuda, Minoru Nozawa, Eiichiro Shimizu, Jun Kawai, Teruo Arashima +1 more | 1998-07-21 |
| 5774151 | Liquid ejecting head, liquid ejecting apparatus and method of producing said liquid ejecting head | Hiroshi Sugitani, Masaki Inaba, Masami Ikeda, Yutaka Koizumi, Tsuyoshi Orikasa +5 more | 1998-06-30 |
| 5731828 | Ink jet head, ink jet head cartridge and ink jet apparatus | Hiroyuki Ishinaga, Kazuaki Masuda, Junji Shimoda, Fumio Murooka, Tatsuo Furukawa +6 more | 1998-03-24 |
| 5660739 | Method of producing substrate for ink jet recording head, ink jet recording head and ink jet recording apparatus | Teruo Ozaki, Masami Ikeda, Toshihiro Mori, Masahiko Tonogaki, Yuji Kamiyama | 1997-08-26 |
| 5581285 | Ink jet recording head with discharge opening surface treatment | Takashi Watanabe, Kazuaki Masuda, Akihiko Shimomura, Akio Saito, Toshio Kashino | 1996-12-03 |
| 5574487 | Substrate with an etched silicon compound film and an ink jet head utilizing the substrate | Shuji Koyama, Makoto Shibata | 1996-11-12 |
| 5485186 | Ink jet recording apparatus with efficient and reliable ink supply | Hiroyuki Ishinaga, Hiroshi Sugitani, Kazuaki Masuda, Seiji Suzuki, Toshio Kashino +4 more | 1996-01-16 |
| 5481289 | Ink supply mechanism, ink jet cartridge provided with such a mechanism, and ink jet recording apparatus provided with such a mechanism | Teruo Arashima, Hiroshi Sugitani, Kazuaki Masuda, Masami Ikeda, Seiji Suzuki +3 more | 1996-01-02 |
| 5374332 | Method for etching silicon compound film and process for forming article by utilizing the method | Shuji Koyama, Makoto Shibata | 1994-12-20 |
| 5081474 | Recording head having multi-layer matrix wiring | Makoto Shibata, Shuji Koyama, Sakai Yokoyama, Toshihiro Mori | 1992-01-14 |
| 4901091 | Ink jet recording head and ink jet recording apparatus using same | — | 1990-02-13 |
| 4716945 | Recording instrument ink-path treatment process | Seiichi Aoki, Tadayoshi Inamoto | 1988-01-05 |