Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6964467 | Liquid ejecting recording head and liquid ejecting recording apparatus | Naoji Otsuka | 2005-11-15 |
| 6837564 | Head, recording apparatus having the head, method for identifying the head, and method for giving identification information to the head | Yuichiro Akama, Yasuyuki Tamura, Masayoshi Tachihara, Shuichi Murakami, Michinari Mizutani +1 more | 2005-01-04 |
| 6830317 | Ink jet recording head | Ken Tsuchii, Keiichiro Tsukuda, Masaki Oikawa, Kenji Yabe, Keiji Tomizawa | 2004-12-14 |
| 6688728 | Ink-jet recording head, ink-jet recording apparatus, and electronic equipment | Takashi Watanabe, Tatsuo Furukawa, Yasutomo Watanabe | 2004-02-10 |
| 6659591 | Ink jet recording head and producing method for the same | Osamu Sato, Yasutomo Watanabe, Kyota Miyazaki, Shuzo Iwanaga | 2003-12-09 |
| 6652079 | Ink jet recording head with extended electrothermal conversion element life and method of manufacturing the same | Ken Tsuchii, Masaki Oikawa, Ryoji Inoue, Kenji Yabe | 2003-11-25 |
| 6612688 | Liquid ejection method | Masayoshi Tachihara | 2003-09-02 |
| 6601940 | Head, recording apparatus having the head, method for identifying the head, and method for giving identification information to the head | Yuichiro Akama, Yasuyuki Tamura, Masayoshi Tachihara, Shuichi Murakami, Michinari Mizutani +1 more | 2003-08-05 |
| 6592202 | Liquid ejection recording head and liquid ejection type recording device | Kenta Udagawa | 2003-07-15 |
| 6575560 | Liquid discharge recording head and liquid discharge recording apparatus | Kenji Yabe | 2003-06-10 |
| 6565186 | Ink jet head, ink jet apparatus and method of recoverably activating in the apparatus | Yoshifumi Hattori, Yoichi Tosaka, Takayoshi Tsutsumi | 2003-05-20 |
| 6481819 | Ink jet recording head and recording apparatus having recording element substrates with different liquid ejection systems | Ken Tsuchii, Keiichiro Tsukuda | 2002-11-19 |
| 6474790 | Ink jet recording head | — | 2002-11-05 |
| 6412920 | Ink jet printing head, ink jet head cartridge and printing apparatus | Haruyuki Matsumoto, Hajime Yamamoto, Tsuguhiro Fukuda, Masashi Miyagawa | 2002-07-02 |
| 6354698 | Liquid ejection method | Masayoshi Tachihara | 2002-03-12 |
| 6286933 | Ink jet head | Shuichi Murakami, Masayoshi Tachihara, Michinari Mizutani, Takashi Inoue, Yuichiro Akama | 2001-09-11 |
| 6186616 | Ink jet head having an improved orifice plate, a method for manufacturing such ink jet heads, and an ink jet apparatus provided with such ink jet head | Takashi Inoue, Masayoshi Tachihara, Shuichi Murakami, Michinari Mizutani, Yuichiro Akama | 2001-02-13 |
| 6174049 | Bubble jet head and bubble jet apparatus employing the same | Masayoshi Tachihara, Yasuyuki Tamura, Makoto Shioya | 2001-01-16 |
| 6139130 | Substrate and liquid jet recording head with particular electrode and resistor structures | Hiroto Takahashi, Yasuyuki Tamura | 2000-10-31 |
| 6137510 | Ink jet head | Tamaki Sato, Yasuyuki Tamura, Masayoshi Tachihara, Yasutomo Watanabe, Shuichi Murakami +2 more | 2000-10-24 |
| 6120140 | Ink supplying apparatus and ink recording apparatus having same | Toshiaki Hirosawa, Hajime Kishida, Osamu Morita, Kiyomitsu Kudo | 2000-09-19 |
| 6056387 | Cleaning of ink jet printhead surface responsive to an optically sensed condition thereof | — | 2000-05-02 |
| 6033051 | Ink-jet printing apparatus with head recovery controlled according to number of ink ejections | — | 2000-03-07 |
| 5956056 | Ink jet recording apparatus and method of recording with separated image data | Haruyuki Matsumoto, Yoshifumi Hattori, Yoichi Tosaka, Isao Ebisawa, Tadashi Yamamoto +1 more | 1999-09-21 |
| 5867195 | Ink jet recording apparatus and recording head having an air chamber defining a closed space in communication with a liquid chamber | Masayuki Kyoshima | 1999-02-02 |