Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |