Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490792 | Ink tank cartridge, a manufacturing method thereof and a packaging structure of the ink tank cartridge | Hiroyuki Ishinaga, Kazuaki Masuda, Hajime Kaneko | 2002-12-10 |
| 6478416 | Sealing method for ink cartridge | Hiroyuki Ishinaga, Kazuaki Masuda, Hajime Kaneko, Masahiko Higuma, Yoichi Taneya | 2002-11-12 |
| 6471339 | 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 | 2002-10-29 |
| 6439690 | Element substrate having connecting wiring between heat generating resistor elements and ink jet recording apparatus | Hiroyuki Ishinaga, Kazuaki Masuda, Junji Shimoda, Masami Kasamoto, Fumio Murooka +6 more | 2002-08-27 |
| 6428154 | Ink cartridge and a method for sealing an aperture provided for such cartridge | Kazuaki Masuda, Hajime Kaneko, Hiroaki Tanaka, Hiroyuki Ishinaga | 2002-08-06 |
| 6409300 | 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 | 2002-06-25 |
| 6382772 | Ink jet head, apparatus and method having individually-drivable heat generating resistors variably spaced from an ejection outlet | Hiroyuki Ishinaga, Yoshiyuki Imanaka, Masaaki Izumida | 2002-05-07 |
| 6381437 | Image formation method and apparatus using electrophotography | Yoshio Ozawa, Hisashi Mukataka, Yojiro Sato, Motoki Moriguchi | 2002-04-30 |
| 6336719 | Ink tank cartridge, a manufacturing method thereof and a packaging structure of the ink tank cartridge | Hiroyuki Ishinaga, Kazuaki Masuda, Hajime Kaneko | 2002-01-08 |