Issued Patents All Time
Showing 51–75 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5841451 | Scan interval control in ink jet recording apparatus | Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Atsushi Arai, Yuji Akiyama, Hitoshi Sugimoto +2 more | 1998-11-24 |
| 5831642 | Ink jet recording method and apparatus | Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Atsushi Arai, Yuji Akiyama, Takayuki Murata +2 more | 1998-11-03 |
| 5825377 | Method and apparatus for ink-jet recording with inks having different densities | Fumihiro Gotoh, Hiromitsu Hirabayashi, Toshio Kashino, Hiroshi Tajika, Yuji Akiyama +2 more | 1998-10-20 |
| 5798775 | Ink jet recording apparatus | Kazuyoshi Takahashi, Kazuaki Masuda, Yoshiaki Takayanagi, Akio Suzuki, Mitsuru Kurata +7 more | 1998-08-25 |
| 5751304 | Ink jet recording having temperature control function | Hiromitsu Hirabayashi, Naoji Otsuka, Kentaro Yano, Hitoshi Sugimoto, Kiichiro Takahashi +1 more | 1998-05-12 |
| 5745145 | Ink jet recording apparatus and method | Hiromitsu Hirabayashi, Hiroshi Tajika, Noribumi Koitabashi | 1998-04-28 |
| 5745134 | Method of exchanging waste ink pack of ink jet recording apparatus | Hiromitsu Hirabayashi, Hiroshi Tajika, Noribumi Koitabashi, Atsushi Arai, Shinji Kanemitsu | 1998-04-28 |
| 5745132 | Ink jet recording apparatus having temperature control function | Hiromitsu Hirabayashi, Naoji Otsuka, Kentaro Yano, Hitoshi Sugimoto, Kiichiro Takahashi +1 more | 1998-04-28 |
| 5742311 | Replaceable ink cartridge | Noribumi Koitabashi, Masami Ikeda, Sadayuki Sugama, Naohito Asai, Hiromitsu Hirabayashi +10 more | 1998-04-21 |
| 5729259 | Random jet recording apparatus and method by thick and thin inks | Fumihiro Gotoh, Hiromitsu Hirabayashi, Noribumi Koitabashi, Yuji Akiyama, Hitoshi Sugimoto +1 more | 1998-03-17 |
| 5712666 | Recording apparatus | Yoshiaki Takayanagi, Akio Suzuki, Kiyohisa Sugishima, Hiroshi Tajika, Noribumi Koitabashi +1 more | 1998-01-27 |
| 5701146 | Ink head recovery method and apparatus | Yuji Akiyama, Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Atsushi Arai, Tetsuji Kurata +1 more | 1997-12-23 |
| 5696542 | Ink jet recording method | Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Noribumi Koitabashi, Hitoshi Sugimoto, Fumihiro Gotoh +1 more | 1997-12-09 |
| 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, Noribumi Koitabashi, Fumihiro Gotoh +1 more | 1997-09-23 |
| 5661508 | Ink jet recording method and apparatus for recording thinned recording data | Hitoshi Sugimoto, Shigeyasu Nagoshi | 1997-08-26 |
| 5633663 | Ink jet recording method and apparatus | Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Noribumi Koitabashi, Hitoshi Sugimoto, Fumihiro Gotoh +1 more | 1997-05-27 |
| 5625391 | Ink jet recording method and apparatus | Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Hitoshi Sugimoto, Kiichiro Takahashi | 1997-04-29 |
| 5604520 | Ink jet recording method using different mask patterns | Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Atsushi Arai, Yuji Akiyama, Takayuki Murata +2 more | 1997-02-18 |
| 5594478 | Ink jet recording apparatus for divisionally driving a recording head with a plurality of ink jet orifices grouped into blocks | Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Atsushi Arai, Yuji Akiyama, Takayuki Murata +2 more | 1997-01-14 |
| 5576745 | Recording apparatus having thermal head and recording method | — | 1996-11-19 |
| 5565899 | Ink jet apparatus having an ink passage divided into regions by a filter | Hitoshi Sugimoto, Kentaro Yano, Naoji Otsuka, Hiroshi Tajika, Noribumi Koitabashi +2 more | 1996-10-15 |
| 5528270 | Method for correcting density unevenness for a recording head and an image formation apparatus provided with such a method | Hiroshi Tajika, Masato Katayama, Noribumi Koitabashi | 1996-06-18 |
| 5509140 | Replaceable ink cartridge | Noribumi Koitabashi, Masami Ikeda, Sadayuki Sugama, Naohito Asai, Hiromitsu Hirabayashi +10 more | 1996-04-16 |
| 5500661 | Ink jet recording method | Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Noribumi Koitabashi, Hitoshi Sugimoto, Fumihiro Gotoh +1 more | 1996-03-19 |
| 5493319 | Method of restoring ink ejection by heating an jet head before cleaning | Hiromitsu Hirabayashi, Naoji Ohtsuka, Kentaro Yano, Hitoshi Sugimoto, Kiichiro Takahashi | 1996-02-20 |