Issued Patents All Time
Showing 151–175 of 201 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6062671 | Liquid ejection apparatus and a recovery method thereof | Hidehiko Kanda, Shinya Matsui, Toshio Kashino, Osamu Iwasaki, Masaya Uetsuki +1 more | 2000-05-16 |
| 6050680 | Ink jet recording with mixing and storage of color inks with different mixing ratios | Jiro Moriyama, Shigeyasu Nagoshi, Noribumi Koitabashi, Yuji Akiyama, Hitoshi Sugimoto | 2000-04-18 |
| 6050676 | Color ink jet recording method and apparatus therefor | Hitoshi Sugimoto, Jiro Moriyama, Toshiharu Inui, Kiichiro Takahashi, Fumihiro Gotoh | 2000-04-18 |
| 6000778 | Recording apparatus recovery method using variable pressure | Noribumi Koitabashi, Haruo Uchida, Hiromitsu Hirabayashi | 1999-12-14 |
| 5988783 | Device and method for determining sufficiency of ink supply for ink jet recording apparatus | Hiromitsu Hirabayashi, Atsushi Arai, Noribumi Koitabashi, Yoshiaki Takayanagi | 1999-11-23 |
| 5984449 | Ink jet recording by superimposing inks of different densities | Noribumi Koitabashi, Atsushi Arai, Hiromitsu Hirabayashi | 1999-11-16 |
| 5963227 | Ink jet recording apparatus | Norifumi Koitabashi, Haruo Uchida, Hiromitsu Hirabayashi | 1999-10-05 |
| 5956054 | Ink jet recording apparatus including a recording head with inclined ejection outlets | Hiromitsu Hirabayashi, Atsushi Arai, Noribumi Koitabashi | 1999-09-21 |
| 5946006 | 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 | 1999-08-31 |
| 5907337 | Ink jet recording method and apparatus | Masami Ikeda, Hiromitsu Hirabayashi, Jiro Moriyama, Toshio Kashino, Noribumi Koitabashi +3 more | 1999-05-25 |
| 5898443 | Ink-jet printing apparatus and method for test printing using ink and an ink improving liquid | Hiroshi Yoshino, Makoto Torigoe, Shigeyasu Nagoshi, Hitoshi Sugimoto, Koichiro Kawaguchi | 1999-04-27 |
| 5894314 | Ink jet recording apparatus using thermal energy | Yoshiaki Takayanagi, Masayuki Hirose, Souhei Tanaka, Hiromitsu Hirabayashi, Noribumi Koitabashi +4 more | 1999-04-13 |
| 5880751 | Ink jet recording apparatus and ink droplet amount ejection control method therefor | Hitoshi Nishikori, Masato Katayama, Noribumi Koitabashi | 1999-03-09 |
| 5861895 | Ink jet recording method and apparatus controlling driving signals in accordance with head temperature | Yoshiaki Takayanagi, Masayuki Hirose, Souhei Tanaka, Hiromitsu Hirabayashi, Noribumi Koitabashi +4 more | 1999-01-19 |
| 5841448 | Substrate for ink-jet head, having an optical element ink-jet head, and ink-jet apparatus | Jiro Moriyama, Sadayuki Sugama, Hiromitsu Hirabayashi, Noribumi Koitabashi, Yuji Akiyama +2 more | 1998-11-24 |
| 5825377 | Method and apparatus for ink-jet recording with inks having different densities | Fumihiro Gotoh, Hiromitsu Hirabayashi, Toshio Kashino, Yuji Akiyama, Hitoshi Sugimoto +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 |
| 5748207 | Ink jet recording system for preventing blurring at color boundary portion | Toshiharu Inui, Naoji Otsuka, Mamoru Sakaki, Jiro Moriyama, Nobuyuki Kuwabara +7 more | 1998-05-05 |
| 5745134 | Method of exchanging waste ink pack of ink jet recording apparatus | Hiromitsu Hirabayashi, Miyuki Matsubara, Noribumi Koitabashi, Atsushi Arai, Shinji Kanemitsu | 1998-04-28 |
| 5745135 | Ink jet recording method and color ink jet recording device for practicing the same | Hiromitsu Hirabayashi, Atsushi Arai, Noribumi Koitabashi | 1998-04-28 |
| 5745145 | Ink jet recording apparatus and method | Hiromitsu Hirabayashi, Noribumi Koitabashi, Miyuki Matsubara | 1998-04-28 |
| 5717443 | Ink jet recording apparatus including an ink recovery system operated in correlation with the ink sheet feeding system | Yasuhiro Numata, Haruo Uchida, Souhei Tanaka, Noribumi Koitabashi, Hiroaki Kitazawa +2 more | 1998-02-10 |
| 5712666 | Recording apparatus | Miyuki Matsubara, Yoshiaki Takayanagi, Akio Suzuki, Kiyohisa Sugishima, Noribumi Koitabashi +1 more | 1998-01-27 |
| 5708463 | Ink jet recording device having monochromatic and color recording modes | Hiromitsu Hirabayashi, Atsushi Arai, Noribumi Koitabashi | 1998-01-13 |
| 5673074 | Recording apparatus having urging member to prevent floating of recording sheet | Yasuo Miyauchi, Haruo Uchida | 1997-09-30 |