Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7350891 | Liquid discharge head | Masanobu Oomura | 2008-04-01 |
| 7250113 | Method for manufacturing liquid ejection head | Hirokazu Komuro | 2007-07-31 |
| 6520611 | Print head and printer apparatus using the same | Hiroyuki Ishinaga, Junji Shimoda, Tatsuo Furukawa, Hiroyuki Maru, Masaaki Izumida +1 more | 2003-02-18 |
| 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 | Yuji Kamiyama, Tatsuo Furukawa, Shuichi Katao, Yoshiyuki Imanaka, Hiroyuki Maru +1 more | 2002-10-29 |
| 6467884 | Substrate unit for liquid discharging head, method for producing the same, liquid discharging head, cartridge, and image forming apparatus | Kei Fujita, Yukihiro Hayakawa, Makoto Terui | 2002-10-22 |
| 6464320 | Recording head and recording apparatus using the same | Hiroyuki Maru, Masami Kasamoto, Yoshiyuki Imanaka, Masaaki Izumida | 2002-10-15 |
| 6439690 | Element substrate having connecting wiring between heat generating resistor elements and ink jet recording apparatus | Hiroyuki Ishinaga, Kazuaki Masuda, Junji Shimoda, Masami Kasamoto, Tatsuo Furukawa +6 more | 2002-08-27 |
| 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 | Yuji Kamiyama, Tatsuo Furukawa, Shuichi Katao, Yoshiyuki Imanaka, Hiroyuki Maru +1 more | 2001-07-10 |
| 6243109 | Print head with driving, transmission and control devices on single substrate | Hiroyuki Ishinaga, Junji Shimoda, Tatsuo Furukawa, Hiroyuki Maru, Masaaki Izumida +1 more | 2001-06-05 |
| 6224195 | Recording head and recording apparatus using the same | Hiroyuki Maru, Masami Kasamoto, Yoshiyuki Imanaka, Masaaki Izumida | 2001-05-01 |
| 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 | Yuji Kamiyama, Tatsuo Furukawa, Shuichi Katao, Yoshiyuki Imanaka, Hiroyuki Maru +1 more | 1999-08-24 |
| 5880762 | Ink jet head with preliminary heater element | Hiroyuki Ishinaga, Kazuaki Masuda, Junji Shimoda, Masami Kasamoto, Tatsuo Furukawa +6 more | 1999-03-09 |
| 5877784 | Printhead, printing apparatus and printing method using printhead | Hiroyuki Maru, Junji Shimoda, Tatsuo Furukawa, Hiroyuki Ishinaga, Masaaki Izumida +1 more | 1999-03-02 |
| 5731828 | Ink jet head, ink jet head cartridge and ink jet apparatus | Hiroyuki Ishinaga, Kazuaki Masuda, Junji Shimoda, Masami Kasamoto, Tatsuo Furukawa +6 more | 1998-03-24 |
| 5614439 | Method of making a planar wiring in an insulated groove using alkylaluminum hydride | Tetsuo Asaba, Shigeyuki Matsumoto, Osamu Ikeda, Toshihiko Ichise, Yukihiko Sakashita +1 more | 1997-03-25 |
| 5602576 | Ink-jet type recording head and monolithic integrated circuit suitable therfor | Junji Shimoda, Tatsuo Furukawa, Hiroyuki Ishinaga, Hiroyuki Maru, Masaaki Izumida +1 more | 1997-02-11 |
| 5355099 | Signal generating device | — | 1994-10-11 |
| 5301307 | Microprocessor having waiting function | Yuusuke Kajikawa, Kazuharu Date, Hiroshi Mikami, Shigeki Imai, Katsuhiro Masui | 1994-04-05 |
| 4982192 | Digital-to-analog converter having common adjustment means | — | 1991-01-01 |