Issued Patents All Time
Showing 151–175 of 180 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671000 | Ink jet cartridge with separately exchangeable ink tank and recording head | Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Hitoshi Sugimoto, Miyuki Fujita, Fumihiro Gotoh +1 more | 1997-09-23 |
| 5670997 | Recording means for enhancing removal of ink deposited on an ejection side surface thereof, ink jet recording apparatus having said recording means, and recovery method | Hitoshi Sugimoto, Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Miyuki Matsubara, Fumihiro Gotoh +1 more | 1997-09-23 |
| RE35581 | Charging device | Shunji Nakamura, Hiromitsu Hirabayashi, Junji Araya | 1997-08-12 |
| 5633663 | Ink jet recording method and apparatus | Miyuki Matsubara, Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Hitoshi Sugimoto, Fumihiro Gotoh +1 more | 1997-05-27 |
| 5625384 | Ink jet recording apparatus and method using replaceable recording heads | Yasuhiro Numata, Kazuyoshi Takahashi, Yoshiaki Takayanagi, Hiroshi Tajika, Hitoshi Sugimoto +1 more | 1997-04-29 |
| 5585894 | Process cartridge with a movable image bearing member as well as a contactable member, and an image forming apparatus having the same | Junji Araya, Shunji Nakamura, Hiromitsu Hirabayashi | 1996-12-17 |
| 5565899 | Ink jet apparatus having an ink passage divided into regions by a filter | Hitoshi Sugimoto, Kentaro Yano, Naoji Otsuka, Miyuki Matsubara, Hiroshi Tajika +2 more | 1996-10-15 |
| 5557310 | Ink container with ring-shaped ink absorbing member | Mitsuru Kurata, Tokihide Ebata, Hiromitsu Hirabayashi, Hitoshi Sugimoto, Haruo Uchida | 1996-09-17 |
| 5534898 | Ink jet head, ink jet apparatus and wiping method therefor | Toshio Kashino, Tsuguhiro Fukuda, Hiroshi Tajika, Atsushi Arai, Hiromitsu Hirabayashi | 1996-07-09 |
| 5528270 | Method for correcting density unevenness for a recording head and an image formation apparatus provided with such a method | Hiroshi Tajika, Masato Katayama, Miyuki Matsubara | 1996-06-18 |
| 5509140 | Replaceable ink cartridge | Masami Ikeda, Sadayuki Sugama, Naohito Asai, Hiromitsu Hirabayashi, Tsutomu Abe +10 more | 1996-04-16 |
| 5502464 | Fixater and recording apparatus using the same | Kazuyoshi Takahashi, Naoji Otsuka, Tokihide Ebata, Hiromitsu Hirabayashi, Hiroshi Tajika +3 more | 1996-03-26 |
| 5500661 | Ink jet recording method | Miyuki Matsubara, Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Hitoshi Sugimoto, Fumihiro Gotoh +1 more | 1996-03-19 |
| 5367325 | Recording apparatus with temperature detection and compensation | Kentaro Yano, Naoji Otsuka, Miyuki Matsubara, Hitoshi Sugimoto, Atsushi Arai +2 more | 1994-11-22 |
| 5355158 | Ink jet apparatus and method of recovering ink jet head | Genji Inada, Hiroshi Tajika, Hitoshi Sugimoto, Atsushi Arai, Miyuki Matsubara | 1994-10-11 |
| 5289213 | Liquid jet recording apparatus with humidifying means | Keiichi Murai, Hiroshi Sugitani, Masami Ikeda, Mitsuru Kurata, Hiromitsu Hirabayashi +1 more | 1994-02-22 |
| 5266974 | Ink jet recording apparatus including means for controlling speed of wiper member | Haruo Uchida, Hiroshi Tajika, Hiromitsu Hirabayashi | 1993-11-30 |
| 5216450 | Ink jet head cartridge | Hiromitsu Hirabayashi, Hitoshi Sugimoto, Haruo Uchida | 1993-06-01 |
| 5185615 | Ink jet recording method and apparatus for recovering ejection at a particular orifice by ejecting ink from adjacent orifices | Hiroshi Tajika, Hiromitsu Hirabayashi, Masami Ikeda | 1993-02-09 |
| 5179389 | Ink jet recording with head driving condition regulation | Atsushi Arai, Hiromitsu Hirabayashi, Hiroshi Tajika | 1993-01-12 |
| 5172140 | Ink jet recording apparatus including a device for indicating need to change waste ink pack | Hiromitsu Hirabayashi, Hiroshi Tajika, Miyuki Matsubara, Atsushi Arai, Shinji Kanemitsu | 1992-12-15 |
| 5168309 | Image forming apparatus having a charging member and a cleaning member and a process cartridge detachably mountable to same | Hiroyuki Adachi | 1992-12-01 |
| 5166699 | Recording apparatus | Kentaro Yano, Naoji Otsuka, Miyuki Matsubara, Hitoshi Sugimoto, Atsushi Arai +2 more | 1992-11-24 |
| 5164779 | Image forming apparatus with dual voltage supplies for selectively charging and discharging an image bearing member | Junji Araya, Shunji Nakamura, Hiromitsu Hirabayashi | 1992-11-17 |
| 5162817 | Ink jet with residual ink detection that compensates for different ink properties | Hiroshi Tajika, Hiromitsu Hirabayashi, Atsushi Arai, Yoshiaki Takaynagi | 1992-11-10 |