Issued Patents All Time
Showing 1–25 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6598952 | Liquid jet recording head having controller for controlling temperature distribution | Hiroyuki Ishinaga, Masami Ikeda, Ryoichi Koizumi, Kenjiro Watanabe, Tsutomu Abe +5 more | 2003-07-29 |
| 6535378 | Portable computer with detachable battery pack | Toshiaki Oguchi, Katsutoshi Mukaijima, Hideo Nakamura | 2003-03-18 |
| 6505907 | Recording apparatus having abnormality determination based on temperature and average ejection duty cycle | Hiroyuki Ishinaga, Masami Ikeda, Ryoichi Koizumi, Kenjiro Watanabe, Tsutomu Abe +5 more | 2003-01-14 |
| 6474789 | Recording apparatus, recording head and substrate therefor | Hiroyuki Ishinaga, Masahiko Ogawa, Masami Ikeda, Hideo Saikawa, Akihiro Yamanaka +4 more | 2002-11-05 |
| 6290334 | Recording apparatus, recording head and substrate therefor | Hiroyuki Ishinaga, Masahiko Ogawa, Masami Ikeda, Hideo Saikawa, Akihiro Yamanaka +4 more | 2001-09-18 |
| 6290344 | Vented ink container with internal ink absorber, and ink cartridge having such an ink container | Hideo Saikawa, Seiichiro Karita, Toshio Kashino, Akio Saito, Hiroshi Nakagomi +10 more | 2001-09-18 |
| 6234599 | Substrate having a built-in temperature detecting element, and ink jet apparatus having the same | Hiroyuki Ishinaga, Masami Ikeda, Ryoichi Koizumi, Kenjiro Watanabe, Tsutomu Abe +5 more | 2001-05-22 |
| 6224191 | Ink jet recording head | Yoshinori Misumi, Masaki Oikawa | 2001-05-01 |
| 6135589 | Ink jet recording head with ejection outlet forming member and urging member for assembling the head, and apparatus with such a head | Hiroshi Nakagomi, Teruo Arashima, Kunihiko Maeoka, Takashi Ohba, Jun Kawai +11 more | 2000-10-24 |
| 6113223 | Ink jet recording head with ink chamber having slanted surfaces to aid bubble removal | Shigeaki Tanaka, Nobuyuki Kuwabara, Akira Goto, Takashi Watanabe, Kunihiko Maeoka +18 more | 2000-09-05 |
| 6113220 | Ink jet recording head having substrate arrangement in which functional elements are obliquely disposed | Hiroyuki Ishinaga, Toshihiro Mori | 2000-09-05 |
| 6078496 | Portable computer with hinged detachable battery pack | Toshiaki Oguchi, Katsutoshi Mukaijima, Hideo Nakamura | 2000-06-20 |
| 6068363 | Recording head and apparatus employing multiple temperature sensors to effect temperature control | — | 2000-05-30 |
| 6059400 | Ink jet apparatus | Makiko Kimura, Toshio Kashino, Teruo Arashima, Hiroshi Sugitani, Yoshifumi Hattori +9 more | 2000-05-09 |
| 6056392 | Method of producing recording head | Shigeyuki Matsumoto | 2000-05-02 |
| D410913 | LC card | Yuichi Kato, Yoshikazu Koganei | 1999-06-15 |
| D405441 | IC card | Yoshikazu Koganei, Yuichi Kato | 1999-02-09 |
| 5850238 | Recording head with cover | Seiichiro Karita, Hideo Saikawa, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda +5 more | 1998-12-15 |
| 5774147 | Substrate having a common collector region and being usable in a liquid jet recording head | Tsutomu Kato, Ryoichi Koizumi | 1998-06-30 |
| 5760797 | Ink jet recording head with adjustable temperature sensor and ink jet recording system having the same | Ryoichi Koizumi, Yoshiaki Takayanagi | 1998-06-02 |
| 5745136 | Liquid jet head, and liquid jet apparatus therefor | — | 1998-04-28 |
| 5726696 | Ink jet recording head having reserve functional devices | Hiroyuki Ishinaga, Teruo Ozaki, Ryoichi Koizumi | 1998-03-10 |
| 5703632 | Ink jet head orifice plate mounting arrangement | Teruo Arashima, Makiko Kimura, Toshio Kashino, Hiroshi Sugitani, Yoshifumi Hattori +4 more | 1997-12-30 |
| 5666142 | Ink jet recording system having improved functional devices for driving energy generating members | Kei Fujita, Shigeyuki Matsumoto | 1997-09-09 |
| 5642257 | Attaching/detaching structure for a keyboard module in an information processing equipment | Katsutoshi Mukaijima | 1997-06-24 |