Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6079809 | Ink jet recording apparatus and method including prevention of color mixing through selective predischarge of nozzles adjacent to differing color groups | Hisao Yaegashi, Atsushi Arai, Hidehiko Kanda | 2000-06-27 |
| 5992971 | Ink jet recording method and apparatus | Kiichiro Takahashi, Naoji Otsuka, Jiro Moriyama, Nobuyuki Kuwabara, Atsushi Arai +7 more | 1999-11-30 |
| 5975673 | Image output method and apparatus for smoothing image data by manipulating dot sizes | Naoji Ohtsuka, Nobuyuki Kuwabara, Atsushi Arai, Hisao Yaegashi, Toshiharu Inui +4 more | 1999-11-02 |
| 5956056 | Ink jet recording apparatus and method of recording with separated image data | Mineo Kaneko, Haruyuki Matsumoto, Yoshifumi Hattori, Yoichi Tosaka, Tadashi Yamamoto +1 more | 1999-09-21 |
| 5949447 | Ink jet printer having exchangeable recording devices, a recovery control method and an ink jet printer that manages an amount of ink remaining | Atsushi Arai, Hisao Yaegashi, Hidehiko Kanda | 1999-09-07 |
| 5877785 | Ink jet recording method and apparatus using temperature calculation | Osamu Iwasaki, Naoji Otsuka, Nobuyuki Kuwabara, Atsushi Arai, Hisao Yaegashi +4 more | 1999-03-02 |
| 5805180 | Ink jet recording apparatus which performs suction recovery with a cap and method for same | Atsushi Arai, Hisao Yaegashi, Hidehiko Kanda | 1998-09-08 |
| 5751310 | Ink jet recording apparatus capable of preventing blotting at boundary of colors and recording method therefor | Kentaro Yano, Naoji Otsuka, Jiro Moriyama, Nobuyuki Kuwabara, Atsushi Arai +5 more | 1998-05-12 |
| 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 |
| 5617122 | Recording apparatus and method for controlling recording head driving timing | Yasuhiro Numata, Yoshiaki Takayanagi, Akira Katayama, Nobuyuki Kuwabara, Tsuyoshi Ohtani | 1997-04-01 |
| 5548308 | Liquid discharge recording apparatus having apparatus for effecting preparatory emission | Akira Nagatomo, Yoshifumi Hattori, Tsutomu Abe, Takashi Ohba, Hiroshi Iida +1 more | 1996-08-20 |
| 5528271 | Ink jet recording apparatus provided with blower means | — | 1996-06-18 |
| 5428380 | Dual mode ink ejection for discharge recovery of an inkjet recording apparatus | — | 1995-06-27 |
| 5339098 | Liquid discharge recording apparatus having apparatus for effecting preparatory emission | Akira Nagatomo, Yoshifumi Hattori, Tsutomu Abe, Takashi Ohba, Hiroshi Iida +1 more | 1994-08-16 |
| 5289207 | Enhanced discharge recovery for ink jet recording apparatus | — | 1994-02-22 |
| 5043747 | Head for ink set recording treated with an ink-repellant agent | Hiromichi Noguchi | 1991-08-27 |
| 5021809 | Ink jet recording device with pressure-fluctuation absorption | Tsutomu Abe, Kenjiro Watanabe, Seiichiro Karita | 1991-06-04 |
| 4775871 | Ink jet recording apparatus having a flexible ink supply connection | Tsutomu Abe, Toshiaki Hirosawa, Yoshie Akiyama, Yoshifumi Hattori | 1988-10-04 |
| 4684962 | Ink tube connecting system in a liquid jet recording apparatus | Toshiaki Hirosawa, Yoshie Akiyama, Yoshifumi Hattori, Tsutomu Abe | 1987-08-04 |
| 4565463 | Aqueous ink cartridge with two part vent plug | Kunihiko Otaguro, Hiroshi Takahashi, Kazuma Noguchi, Takeshi Toyama, Takashi Ishikawa | 1986-01-21 |