NK

Nobuyuki Kuwabara

Canon: 70 patents #324 of 19,416Top 2%
Overall (All Time): #29,293 of 4,157,543Top 1%
70
Patents All Time

Issued Patents All Time

Showing 26–50 of 70 patents

Patent #TitleCo-InventorsDate
6325501 Ink-jet printing cloth, printing process using the same and print obtained by the process Yuji Akiyama, Miyuki Fujita, Yuko Nishioka 2001-12-04
6312102 Color ink jet recording method and apparatus using black ink and color-mixed black ink Jiro Moriyama, Naoji Otsuka, Isao Ebisawa, Atsushi Arai, Hisao Yaegashi +5 more 2001-11-06
6290344 Vented ink container with internal ink absorber, and ink cartridge having such an ink container Hideo Saikawa, Seiichiro Karita, Toshio Kashino, Akio Saito, Hiroshi Nakagomi +10 more 2001-09-18
6264312 Liquid supplying method for liquid ejection head and liquid ejection recording apparatus Noribumi Koitabashi, Hitoshi Nishikori 2001-07-24
6234599 Substrate having a built-in temperature detecting element, and ink jet apparatus having the same Hiroyuki Ishinaga, Masami Ikeda, Ryoichi Koizumi, Asao Saito, Kenjiro Watanabe +5 more 2001-05-22
6227641 Ink jet printing system having heat keeping function Hitoshi Nishikori, Noribumi Koitabashi 2001-05-08
6149261 Suction priming of a newly exchanged ink container Hiroshi Tajika, Kazuhiro Nakajima, Shuichi Murakami, Tamaki Sato 2000-11-21
6116720 Ink jet recording method and apparatus for preventing color boundary blur Toshiharu Inui, Naoji Otsuka, Jiro Moriyama, Isao Ebisawa, Atsushi Arai +5 more 2000-09-12
6113223 Ink jet recording head with ink chamber having slanted surfaces to aid bubble removal Shigeaki Tanaka, Akira Goto, Takashi Watanabe, Kunihiko Maeoka, Masaaki Izumida +18 more 2000-09-05
6109718 Recording apparatus for controlling a driving signal in accordance with the temperature in the apparatus and method for controlling the driving signal Shuichi Murakami, Hiroshi Tajika, Tamaki Sato 2000-08-29
6084604 Color ink jet recording method and apparatus using black ink and color-mixed black ink Jiro Moriyama, Naoji Otsuka, Isao Ebisawa, Atsushi Arai, Hisao Yaegashi +5 more 2000-07-04
6022383 Processes for coloring leather by an ink-jet printing method using anionic coloring agents and cationic agents, and leather products obtained therewith Tokuya Ohta, Yasushi Takatori, Sadayuki Sugama, Hiromitsu Hirabayashi, Yuji Akiyama +1 more 2000-02-08
5992971 Ink jet recording method and apparatus Kiichiro Takahashi, Naoji Otsuka, Jiro Moriyama, Isao Ebisawa, Atsushi Arai +7 more 1999-11-30
5981045 Ink transfer medium and image formation using the same Yuji Akiyama, Miyuki Fujita 1999-11-09
5975673 Image output method and apparatus for smoothing image data by manipulating dot sizes Naoji Ohtsuka, Isao Ebisawa, Atsushi Arai, Hisao Yaegashi, Toshiharu Inui +4 more 1999-11-02
5936649 Recording method, recording apparatus for conducting the recording method and ink jet cartridge for use in the recording apparatus Masami Ikeda, Seiichiro Karita, Masahiro Haruta, Osamu Nishiwaki, Shinichi Tochihara +3 more 1999-08-10
5877785 Ink jet recording method and apparatus using temperature calculation Osamu Iwasaki, Naoji Otsuka, Isao Ebisawa, Atsushi Arai, Hisao Yaegashi +4 more 1999-03-02
5841455 Ink container for ink jet recording having two different ink absorbing materials including a fibrous material Shigeaki Tanaka, Masami Ikeda, Naohito Asai, Makiko Kimura, Teruo Arashima +1 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, Jiro Moriyama, 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, Jiro Moriyama, Isao Ebisawa +7 more 1998-05-05
5682187 Method for manufacturing an ink jet head having a treated surface, ink jet head made thereby, and ink jet apparatus having such head Takashi Watanabe, Kazuaki Masuda, Akira Goto, Hiroshi Kono, Takashi Kanzaki +5 more 1997-10-28
5676707 Leather coloring process comprising jetting ink onto a treated leather Miyuki Fujita 1997-10-14
5623287 Ink container with a controlled ink distribution therein, and method of filling the same Hideo Saikawa, Seiichiro Karita, Toshio Kashino, Akio Saito, Hiroshi Nakagomi +10 more 1997-04-22
5621446 Method of filling an ink container Shigeaki Tanaka, Masami Ikeda, Naohito Asai, Makiko Kimura, Teruo Arashima +1 more 1997-04-15
5617122 Recording apparatus and method for controlling recording head driving timing Yasuhiro Numata, Yoshiaki Takayanagi, Akira Katayama, Isao Ebisawa, Tsuyoshi Ohtani 1997-04-01