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Toshihiko Ujita, Haruyuki Matsumoto, Keiichi Murai, Kenichiro Hashimoto, Hideki Yamaguchi, Takashi Nojima, Shinya Matsui, Tetsuo Suzuki, Hiroyuki Inoue, Soichi Hiramatsu: Replaceable ink cartridge having surface wiring resistance pattern. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, April 9, 1996: US05506611 (222 worldwide citation)

A replaceable ink cartridge can be inserted into and removed from a bubble jet printer receptacle for removably mounting the cartridge. The cartridge when mounted will cooperate with a hollow needle for supplying liquid ink to a print head and a pipe for removing waste ink from the head. The cartrid ...


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Kumiko Mafune, Tsuyoshi Eida, Keiichi Murai, Yoshifumi Hattori, Mayumi Yamamoto, Osamu Nishiwaki, Yoshihisa Takizawa, Takao Yamamoto, Akira Nagashima, Masahiko Tonogaki, Shinichi Sato, Ryuji Katsuragi, Mikio Sanada, Hisashi Teraoka, Eriko Saito: Ink, and ink-jet recording method and instrument using the same. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, September 19, 1995: US05451251 (85 worldwide citation)

Disclosed herein is an ink comprising a coloring material and a liquid medium dissolving the coloring material therein, wherein the ink comprises a dye having at least one ammonium ion as a counter ion and an ammonium salt of an inorganic or organic acid.


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Mitsuru Honda, Takahisa Kawamura, Atsushi Koike, Keiichi Murai: Apparatus for producing a substrate having a surface with a plurality of spherical dimples for photoconductive members. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 19, 1996: US05575849 (68 worldwide citation)

An apparatus for producing a substrate having a surface with a plurality of spherical dimples suitable for light receiving members including: a cylindrical rotating vessel having an external wall face and an inner wall face surrounded by housing, a rotating vessel containing a plurality of freely mo ...


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Toshihiko Ujita, Haruyuki Matsumoto, Keiichi Murai, Kenichiro Hashimoto, Hideki Yamaguchi, Takashi Nojima, Shinya Matsui, Tetsuo Suzuki, Hiroyuki Inoue, Soichi Hiramatsu: Ink jet recording apparatus and ink cartridge for the apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 6, 2001: US06312084 (58 worldwide citation)

An ink cartridge, removably mountable on a fixed mounting portion of an ink jet recording apparatus for supplying discharged ink to a recording head carried on a movable carriage of the apparatus, comprises a flag member mounted for protrusion and retraction, an arrangement for protruding the flag m ...


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Toshiharu Inui, Keiichi Murai, Hiromitsu Hirabayashi, Mayumi Yamamoto, Yoshihisa Takizawa, Miyuki Fujita, Fumihiro Gotoh, Masaya Uetsuki, Mikio Sanada, Eriko Saito: Method and apparatus for ink-jet printing. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, May 16, 2000: US06062674 (31 worldwide citation)

When a black image region is printed, the overall pixels in the region is printed by a black ink. Then, a cation type cyan ink which makes a coloring agent in the ink insoluble is printed on the pixels of a predetermined pattern. By this, the dye of the black ink is maintained near the surface of th ...


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Yutaka Kurabayashi, Keiichi Murai, Katsuhiro Shirota, Katsuhiko Takahashi: Liquid composition and ink set, and image-forming process and apparatus using the same. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, September 21, 2004: US06794427 (23 worldwide citation)

Disclosed herein is a colorless or pale-colored liquid composition comprising a cationic substance, wherein the liquid composition contains in combination a cationic substance and a nonionic polymeric substance.


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Keiichi Murai, Takehiko Matsuo: Method of removing surface ionic impurities on inorganic photoconductive material. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, January 15, 1980: US04183748 (22 worldwide citation)

This invention is directed to photosensitive material for electrophotography and more particularly it is directed to the improvement of the properties with respect to humidity of photosensitive material by using photoconductive material in combination with ion exchange resin or by using photoconduct ...


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Makoto Inoue deceased, Tsuneo Inoue heir, Kazuaki Masuda, Shigeo Toganoh, Manabu Sueoka, Keiichi Murai, Takashi Watanabe, Akira Goto, Motoaki Sato: Manufacturing method for ink jet recording head and ink jet recording head. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 15, 1994: US05365255 (21 worldwide citation)

A method of manufacturing a recording head for use in an ink jet printer involves the steps of, after treating a surface of a discharge port formation member having plural discharge ports formed thereon, which formation member is formed with a material having a water-repellent property, forming the ...


10
Hideyo Kondo, Keiichi Murai: Electrophotographic apparatus and an abrading means. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, July 21, 1981: US04279500 (20 worldwide citation)

An electrophotographic apparatus includes an image holding member which is adapted to retain electrostatic images as well as toner images. The image holding member contains a lubricating agent inside the surface layer. To expose a new surface of the member to provide additional lubricating agent, a ...