Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5457389 | Method of testing substrate for liquid jet recording head | — | 1995-10-10 |
| 5455612 | Liquid jet recording head | Masami Ikeda, Hiroto Matsuda, Hirokazu Komuro, Hiroto Takahashi, Hisanori Tsuda | 1995-10-03 |
| 5451994 | Liquid jet recording head having a support with an organic protective layer omitted from a heat-generating section on the support and from an edge of the support | Hiroto Takahashi, Masami Ikeda, Hiroto Matsuda | 1995-09-19 |
| 5443687 | Method for manufacturing an ink jet head having an improved discharging port surface | Shuji Koyama, Yukio Kawajiri, Manabu Sueoka, Toshio Suzuki, Hisashi Yamamoto +1 more | 1995-08-22 |
| 5374332 | Method for etching silicon compound film and process for forming article by utilizing the method | Shuji Koyama, Masami Kasamoto | 1994-12-20 |
| 5347713 | Method for manufacturing ink jet head | Yukio Kawajiri, Shuji Koyama, Manabu Sueoka, Toshio Suzuki, Hisashi Yamamoto +1 more | 1994-09-20 |
| 5153610 | Liquid jet recording head | Hirokazu Komuro, Hiroto Matsuda, Hiroto Takahashi, Masami Ikeda, Hisanori Tsuda | 1992-10-06 |
| 5083802 | Lip seal device | Keiichi Shimasaki, Hiroshi Kanayama, Hiroshi Kanemitsu, Satoshi Asahi, Akira Takenaka | 1992-01-28 |
| 5081474 | Recording head having multi-layer matrix wiring | Masami Kasamoto, Shuji Koyama, Sakai Yokoyama, Toshihiro Mori | 1992-01-14 |
| 5049231 | Method of manufacturing liquid injection recording head and substrate therefor | — | 1991-09-17 |
| 4972202 | Method for driving liquid-jet recorder | Hirokazu Komur, Masami Ikeda, Hiroto Matsuda, Hiroto Takahashi, Hisanori Tsuda | 1990-11-20 |
| 4956654 | Liquid injection recording head with flexible support | Hirokazu Komuro, Hiroto Matsuda, Hiroto Takahashi, Masami Ikeda, Hisanori Tsuda | 1990-09-11 |
| 4940999 | Liquid jet recording head | Masami Ikeda, Hiroto Matsuda, Hiroto Takahashi | 1990-07-10 |
| 4834397 | Lip seal device having an annular groove | Keiichi Shimasaki, Hiroshi Kanayama, Hiroshi Kanemitsu, Satoshi Asahi, Akira Takenaka | 1989-05-30 |
| 4822059 | Dual lip seal device | Keiichi Shimasaki, Hiroshi Kanayama, Hiroshi Kanemitsu, Satoshi Asahi, Akira Takenaka | 1989-04-18 |
| 4777494 | Process for manufacturing an electrothermal transducer for a liquid jet recording head by anodic oxidation of exposed portions of the transducer | Hiroto Matsuda, Masami Ikeda, Hirokazu Komuro, Hiroto Takahashi | 1988-10-11 |
| 4725859 | Liquid jet recording head | Hiroto Matsuda, Masami Ikeda, Hiroto Takahashi | 1988-02-16 |
| 4721314 | Lip seal device | Hiroshi Kanayama, Keiichi Shimasaki | 1988-01-26 |
| 4720716 | Liquid jet recording head | Masami Ikeda, Hiroto Takahashi, Hirokazu Komuro, Hiroto Matsuda, Hisanori Tsuda | 1988-01-19 |
| 4686544 | Liquid jet recording head | Masami Ikeda, Hiroto Takahashi, Hiroto Matsuda | 1987-08-11 |
| 4645213 | Non-contact type seal device for turbocharger | Kouichi Washimi, Mitsuyuki Ugajin | 1987-02-24 |
| 4631555 | Liquid jet type recording head | Masami Ikeda, Hiroto Matsuda, Hiroto Takahashi | 1986-12-23 |
| 4602261 | Ink jet electrode configuration | Hiroto Matsuda, Masami Ikeda, Hiroto Takahashi | 1986-07-22 |
| 4596994 | Liquid jet recording head | Hiroto Matsuda, Masami Ikeda, Hiroto Takahashi | 1986-06-24 |
| 4567493 | Liquid jet recording head | Masami Ikeda, Hiroto Matsuda, Hiroto Takahashi | 1986-01-28 |