Issued Patents All Time
Showing 101–125 of 142 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6084604 | Color ink jet recording method and apparatus using black ink and color-mixed black ink | Naoji Otsuka, Nobuyuki Kuwabara, Isao Ebisawa, Atsushi Arai, Hisao Yaegashi +5 more | 2000-07-04 |
| 6059394 | Driving method for ink jet recording head | — | 2000-05-09 |
| 6050680 | Ink jet recording with mixing and storage of color inks with different mixing ratios | Shigeyasu Nagoshi, Hiroshi Tajika, Noribumi Koitabashi, Yuji Akiyama, Hitoshi Sugimoto | 2000-04-18 |
| 6050676 | Color ink jet recording method and apparatus therefor | Hitoshi Sugimoto, Hiroshi Tajika, Toshiharu Inui, Kiichiro Takahashi, Fumihiro Gotoh | 2000-04-18 |
| 6007174 | Ink jet recording apparatus and method | Hiromitsu Hirabayashi, Koji Terasawa, Makoto Takemura, Kenjiro Watanabe, Shigeyasu Nagoshi +6 more | 1999-12-28 |
| 6007182 | Ink-jet recording method employing inks of different characteristics and apparatus therefor | Miyuki Matsubara, Takayuki Fujita, Hiromitsu Hirabayashi, Tetsurou Inoue, Makoto Aoki +10 more | 1999-12-28 |
| 6000792 | Ink jet apparatus provided with an improved recovery mechanism | Yutaka Koizumi, Toshiaki Hirosawa, Torachika Osada | 1999-12-14 |
| 5997122 | Ink jet recording apparatus capable of performing liquid droplet diameter random variable recording and ink jet recording method using ink for liquid droplet random variable recording | Yutaka Koizumi, Shoji Koike, Yoshinobu Shimomura, Toshiaki Hirosawa, Torachika Osada +1 more | 1999-12-07 |
| 5992971 | Ink jet recording method and apparatus | Kiichiro Takahashi, Naoji Otsuka, Nobuyuki Kuwabara, Isao Ebisawa, Atsushi Arai +7 more | 1999-11-30 |
| 5907337 | Ink jet recording method and apparatus | Hiroshi Tajika, Masami Ikeda, Hiromitsu Hirabayashi, Toshio Kashino, Noribumi Koitabashi +3 more | 1999-05-25 |
| 5898446 | Acoustic ink jet head and ink jet recording apparatus having the same | — | 1999-04-27 |
| 5896148 | Ink jet recording apparatus with control electrode on recording heads preventing adhesion of satellite droplets | Hisashi Fukushima, Takashi Uchida, Haruhiko Moriguchi, Yasushi Miura, Masami Izumizaki | 1999-04-20 |
| 5841448 | Substrate for ink-jet head, having an optical element ink-jet head, and ink-jet apparatus | Sadayuki Sugama, Hiromitsu Hirabayashi, Hiroshi Tajika, Noribumi Koitabashi, Yuji Akiyama +2 more | 1998-11-24 |
| 5751310 | Ink jet recording apparatus capable of preventing blotting at boundary of colors and recording method therefor | Kentaro Yano, Naoji Otsuka, Nobuyuki Kuwabara, Isao Ebisawa, 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, Nobuyuki Kuwabara, Isao Ebisawa +7 more | 1998-05-05 |
| 5745129 | Ink jet head, ink jet apparatus and driving method therefor | Yutaka Koizumi, Toshiaki Hirosawa | 1998-04-28 |
| 5739828 | Ink jet recording method and apparatus having resolution transformation capability | Shigeyasu Nagoshi, Toshiharu Inui, Yuji Akiyama, Kiichiro Takahashi, Fumihiro Gotoh +1 more | 1998-04-14 |
| 5734403 | Ink-jet recording process, and ink set and ink-jet recording apparatus for use in such process | Yuko Suga, Masato Katayama, Toshiharu Inui, Yutaka Kurabayashi, Koromo Shirota +3 more | 1998-03-31 |
| 5682190 | Ink jet head and apparatus having an air chamber for improving performance | Toshiaki Hirosawa, Yutaka Koizumi, Mineo Kaneko, Torachika Osada, Hidemi Kubota | 1997-10-28 |
| 5646659 | Ink jet recording apparatus, and method with control of ink drops and ink mist | Yutaka Koizumi, Hisashi Fukushima, Toshiaki Hirosawa, Torachika Osada, Haruhiko Moriguchi +2 more | 1997-07-08 |
| 5594476 | Driving method of ink jet head and ink jet apparatus | Tatsuyuki Tokunaga | 1997-01-14 |
| 5561448 | Ink jet recording apparatus for recovering recording head | Mineo Kaneko, Hidemi Kubota, Yutaka Koizumi, Torachika Osada, Toshiaki Hirosawa | 1996-10-01 |
| 5457485 | Ink jet recording apparatus | Yutaka Koizumi, Hiroto Matsuda, Toshiaki Hirosawa, Torachika Osada, Hidemi Kubota | 1995-10-10 |
| 5357268 | Ink jet recording head in which the ejection elements are driven in blocks | Hideaki Kishida, Akira Katayama, Kimiyuki Hayasaki, Nobuyuki Watanabe, Toshiaki Hirosawa +4 more | 1994-10-18 |
| 5343227 | Ink jet recording apparatus and ink jet recording head with means reducing the amount of warp | Toshiaki Hirosawa, Torachika Osada, Hidemi Kubota, Yutaka Koizumi, Mineo Kaneko +3 more | 1994-08-30 |