Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6332674 | Ink cartridge and a method for sealing an aperture provided for such cartridge | Kazuaki Masuda, Hajime Kaneko, Hiroaki Tanaka, Hiroyuki Ishinaga | 2001-12-25 |
| 6302532 | Method of manufacturing an ink container | Hiroyuki Ishinaga, Kazuaki Masuda, Hajime Kaneko, Masahiko Higuma, Yoichi Taneya | 2001-10-16 |
| 6284421 | Carrier for electrophotography, process for production of the carrier and developing agent for electrophotography using the carrier | Shigeo Matsuzaki, Hisashi Mukataka | 2001-09-04 |
| 6257695 | Substrate for thermal recording head, ink jet recording head using the substrate, recording apparatus with the recording head, and method of driving record head | Fumio Murooka, Tatsuo Furukawa, Shuichi Katao, Yoshiyuki Imanaka, Hiroyuki Maru +1 more | 2001-07-10 |
| 6197465 | Carrier for electrophotography and developer for electrophotography using the carrier | Shigeo Matsuzaki, Takashi Arakane, Kazuo Murakata, Susumu Kikuchi, Hisashi Mukataka | 2001-03-06 |
| 6168266 | Ink tank cartridge, a manufacturing method thereof and a packaging structure of the ink tank cartridge | Hiroyuki Ishinaga, Kazuaki Masuda, Hajime Kaneko | 2001-01-02 |
| 6133926 | Ink jet head and method of producing the same | Jun Kawai, Kazuaki Masuda, Masami Kasamoto, Teruo Arashima | 2000-10-17 |
| 6116714 | Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing head | Yoshiyuki Imanaka, Masaki Inaba, Masami Ikeda, Yutaka Koizumi, Tsuyoshi Orikasa +13 more | 2000-09-12 |
| 6113230 | Ink tank package container having a seal member | Hiroyuki Ishinaga, Kazuaki Masuda, Hajime Kaneko | 2000-09-05 |
| 6048058 | Ink jet head, ink jet cartridge incorporating ink jet, and ink jet apparatus incorporating cartridge | Masami Kasamoto, Hiroshi Sugitani, Yasuroh Kashima, Kazuaki Masuda, Tsuyoshi Orikasa +5 more | 2000-04-11 |
| 6003973 | Ink jet head, apparatus and method having individually-drivable heat generating resistors variably spaced from an electric outlet | Hiroyuki Ishinaga, Yoshiyuki Imanaka, Masaaki Izumida | 1999-12-21 |
| 5953030 | Ink container with improved air venting structure | Hiroyuki Ishinaga, Kazuaki Masuda, Hajime Kaneko, Masahiko Higuma, Yoichi Taneya | 1999-09-14 |
| 5943069 | Ink jet recording head and apparatus in which recording is controlled in accordance with calculations involving a measured resistance | Masaaki Izumida | 1999-08-24 |
| 5943070 | Substrate for thermal recording head, ink jet recording head using the substrate, recording apparatus with the recording head, and method of driving recording head | Fumio Murooka, Tatsuo Furukawa, Shuichi Katao, Yoshiyuki Imanaka, Hiroyuki Maru +1 more | 1999-08-24 |
| 5886713 | Printhead and printing apparatus using the same | Masaaki Okada, Yoshiyuki Imanaka | 1999-03-23 |
| 5880762 | Ink jet head with preliminary heater element | Hiroyuki Ishinaga, Kazuaki Masuda, Junji Shimoda, Masami Kasamoto, Fumio Murooka +6 more | 1999-03-09 |
| D404068 | Ink tank for printer | Tetsuya Sekine, Hiroyuki Tokuda, Hiroyuki Ishinaga | 1999-01-12 |
| 5828386 | Recording head and apparatus for detecting contact condition | Masaaki Okada, Yoshiyuki Imanaka | 1998-10-27 |
| 5784079 | Ink jet head and ink jet apparatus on which the ink jet head is mounted | Kazuaki Masuda, Masami Kasamoto, Minoru Nozawa, Eiichiro Shimizu, Jun Kawai +1 more | 1998-07-21 |
| 5731828 | Ink jet head, ink jet head cartridge and ink jet apparatus | Hiroyuki Ishinaga, Kazuaki Masuda, Junji Shimoda, Masami Kasamoto, Fumio Murooka +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, Masami Kasamoto, Toshihiro Mori, Masahiko Tonogaki | 1997-08-26 |
| D381360 | Ink cartridge for plotter | Hideki Kawai, Hiroyuki Ishinaga, Kazuaki Masuda | 1997-07-22 |
| 5485186 | Ink jet recording apparatus with efficient and reliable ink supply | Hiroyuki Ishinaga, Hiroshi Sugitani, Kazuaki Masuda, Masami Kasamoto, Seiji Suzuki +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, Masami Kasamoto +3 more | 1996-01-02 |