Issued Patents All Time
Showing 176–200 of 201 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640181 | Tube pump mechanism and ink jet recording apparatus equipped therewith | Haruo Uchida | 1997-06-17 |
| 5625384 | Ink jet recording apparatus and method using replaceable recording heads | Yasuhiro Numata, Kazuyoshi Takahashi, Yoshiaki Takayanagi, Noribumi Koitabashi, Hitoshi Sugimoto +1 more | 1997-04-29 |
| 5574545 | Method for transferring toner from developer carrying member to image bearing member using chains of magnetic particles formed on developer carrying member and contacting image bearing member, and alternating electric field | Atsushi Hosoi, Hatsuo Tajima, Takashi Saito, Norihisa Hoshika, Masaaki Yamaji | 1996-11-12 |
| 5565899 | Ink jet apparatus having an ink passage divided into regions by a filter | Hitoshi Sugimoto, Kentaro Yano, Naoji Otsuka, Miyuki Matsubara, Noribumi Koitabashi +2 more | 1996-10-15 |
| 5539435 | Ink jet recording blade with rounded tip | Haruo Uchida | 1996-07-23 |
| 5534898 | Ink jet head, ink jet apparatus and wiping method therefor | Toshio Kashino, Tsuguhiro Fukuda, Noribumi Koitabashi, 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 | Masato Katayama, Noribumi Koitabashi, Miyuki Matsubara | 1996-06-18 |
| 5502464 | Fixater and recording apparatus using the same | Kazuyoshi Takahashi, Naoji Otsuka, Tokihide Ebata, Hiromitsu Hirabayashi, Noribumi Koitabashi +3 more | 1996-03-26 |
| 5495271 | Ink jet recording apparatus that individually controls ink ejection from plural recording heads during a non-recording operation | Norifumi Koitabashi, Haruo Uchida, Hiromitsu Hirabayashi | 1996-02-27 |
| 5477248 | Ink-jet recording method and apparatus using inks of different penetrabilities | Hitoshi Sugimoto, Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Atsushi Arai, Yuji Akiyama +1 more | 1995-12-19 |
| 5367325 | Recording apparatus with temperature detection and compensation | Kentaro Yano, Noribumi Koitabashi, Naoji Otsuka, Miyuki Matsubara, Hitoshi Sugimoto +2 more | 1994-11-22 |
| 5355158 | Ink jet apparatus and method of recovering ink jet head | Genji Inada, Noribumi Koitabashi, Hitoshi Sugimoto, Atsushi Arai, Miyuki Matsubara | 1994-10-11 |
| 5266974 | Ink jet recording apparatus including means for controlling speed of wiper member | Noribumi Koitabashi, Haruo Uchida, Hiromitsu Hirabayashi | 1993-11-30 |
| 5185615 | Ink jet recording method and apparatus for recovering ejection at a particular orifice by ejecting ink from adjacent orifices | Noribumi Koitabashi, Hiromitsu Hirabayashi, Masami Ikeda | 1993-02-09 |
| 5179389 | Ink jet recording with head driving condition regulation | Atsushi Arai, Hiromitsu Hirabayashi, Noribumi Koitabashi | 1993-01-12 |
| 5172140 | Ink jet recording apparatus including a device for indicating need to change waste ink pack | Hiromitsu Hirabayashi, Miyuki Matsubara, Noribumi Koitabashi, Atsushi Arai, Shinji Kanemitsu | 1992-12-15 |
| 5166699 | Recording apparatus | Kentaro Yano, Noribumi Koitabashi, Naoji Otsuka, Miyuki Matsubara, Hitoshi Sugimoto +2 more | 1992-11-24 |
| 5162817 | Ink jet with residual ink detection that compensates for different ink properties | Hiromitsu Hirabayashi, Atsushi Arai, Noribumi Koitabashi, Yoshiaki Takaynagi | 1992-11-10 |
| 5142374 | Image recording method and apparatus therefor | Noribumi Koitabashi, Atsushi Arai, Hiromitsu Hirabayashi | 1992-08-25 |
| 4933254 | Method and apparatus for transferring toner from carrying member to image bearing member using chains of magnetic particles | Atsushi Hosoi, Hatsuo Tajima, Takashi Saito, Norihisa Hoshika, Masaaki Yamaji | 1990-06-12 |
| 4916492 | Developer method and apparatus | Norihisa Hoshika, Hatsuo Tajima, Masaaki Yamaji, Atsushi Hosoi | 1990-04-10 |
| 4887131 | Developing apparatus using magnetic particles and toner particles | Masahide Kinoshita, Hatsuo Tajima, Norihisa Hoshika, Atsushi Hosoi | 1989-12-12 |
| 4876574 | Developing apparatus | Hatsuo Tajima, Takahiro Kubo | 1989-10-24 |
| 4873551 | Developing apparatus using magnetic carrier under AC field | Hatsuo Tajima, Atsushi Hosoi, Norihisa Hoshika, Masahide Kinoshita | 1989-10-10 |
| 4854493 | Method and apparatus for cutting welding steel strips | Mamoru Fujii, Kazuo Noda, Shoji Nagasaka, Koji Ono | 1989-08-08 |