1
Toshiaki Hirosawa, Yoshifumi Hattori, Minoru Nozawa, Kenji Aono: Ink jet recording apparatus and ink cartridge mountable on said apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, June 4, 1996: US05523780 (122 worldwide citation)

An ink jet recording apparatus includes a detachable ink cartridge for storage of the ink to be supplied to a recording head. A joint of an ink supply line in the ink jet recording apparatus to be coupled with an ink outlet portion of the ink cartridge for delivering the ink is loosely fitted to be ...


2
Ryuichi Ebinuma, Yoshifumi Hattori, Hiroo Ichihashi: Ink jet recorder with improved system for transporting ink to or from recording heads. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, July 14, 1987: US04680696 (95 worldwide citation)

An ink jet recorder comprises a first tank as an ink supply source, a second tank as an ink supply source for the first tank, and three switching means and a pump arranged in an ink supply path. By controlling the open/close states of the switching means and operation condition of the pump, a print ...


3
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.


4
Koichi Osumi, Yoshifumi Hattori, Yoshihisa Takizawa, Ryuji Katsuragi, Hisashi Teraoka: Water-based pigment ink, and ink-jet recording method and instruments using the same. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 2, 1999: US05976233 (75 worldwide citation)

Disclosed herein is a water-based pigment ink comprising a coloring material composed of self-dispersing carbon black obtained by bonding at least one hydrophilic group directly or through another atomic group to the surface of carbon black, a humectant of the general formula


5
Seiichiro Karita, Hideo Saikawa, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda, Asao Saito, Kazuaki Masuda, Akio Saito, Tsuyoshi Orikasa, Toshiaki Nagashima, Norio Hikake: Recording head assembly with single sealing member for ejection outlets and for an air vent. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 16, 1993: US05262802 (74 worldwide citation)

A recording head is proposed having an ejection outlet for ejecting recording ink, and a container for the recording ink having an air vent. A single sealing member seals both the ejection outlet and the air vent so that when this sealing member is removed, both the ejection outlet and the air vent ...


6
Yutaka Kurabayashi, Yoshifumi Hattori, Mayumi Yamamoto, Yoshihisa Takizawa, Shinya Mishina, Shinichi Sato, Mikio Sanada, Katsuhiko Takahashi, Eriko Ono, Masashi Ogasawara: Ink-jet recording process using liquid formulation and ink in combination. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, February 22, 2000: US06027210 (67 worldwide citation)

Provided is an ink-jet recording process for forming a color image on a recording medium using a liquid formulation and a color ink in combination, wherein the liquid formulation contains a cationic polymer having a weight-average molecular weight in the range of from 400 to 1,400, and the liquid fo ...


7
Koichi Osumi, Yoshifumi Hattori, Yoshihisa Takizawa, Shinya Mishina, Mikio Sanada, Hisashi Teraoka, Yuko Yakushigawa: Ink, ink set, ink cartridge, recording unit, image recording apparatus and image recording method. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, December 25, 2001: US06332919 (57 worldwide citation)

Provided is a black ink capable of mitigating the dependency on image quality of recording media and giving a high quality image stably, which comprises at least one salt selected from the group consisting of (M1)


8
Koichi Osumi, Yoshifumi Hattori, Yoshihisa Takizawa, Shinya Mishina, Mikio Sanada, Hisashi Teraoka, Yuko Yakushigawa: Ink, ink set, ink cartridge, recording unit, image recording apparatus and image recording method. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, August 28, 2001: US06280513 (57 worldwide citation)

Provided is a black ink capable of mitigating the dependency on image quality of recording media and giving a high quality image stably, which comprises at least one salt selected from the group consisting of (M1)


9
Yoshio Uchikata, Yoshifumi Hattori, Yoji Ara, Masashi Kitani, Etsurou Suzuki, Toshihide Wada, Hiromitsu Hirabayashi, Hideo Saikawa, Masami Kojima, Tadashi Hanabusa, Kenji Kawano, Koichi Tanno, Tetsuyo Ohashi, Toshihiko Bekki, Kenji Aono, Masaharu Ikado: Ink jet recording apparatus and method for releasably mounting ink jet recording head and separable ink tank. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, April 30, 1996: US05512926 (54 worldwide citation)

An ink jet recording apparatus comprises an ink tank containing ink; a recording head for performing recording by selectively ejecting ink; a mounting portion for mounting the ink tank and the recording head; a liquid passage coupling portion provided on either or both of the ink tank and the record ...


10
Makiko Kimura, Toshio Kashino, Teruo Arashima, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda, Asao Saito, Kazuaki Masuda, Akio Saito, Tsuyoshi Orikasa, Takashi Ohba, Kunihiko Maeoka, Jun Kawai, Tsutomu Abe, Hiroshi Nakagomi: Ink jet head with contoured outlet surface. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, February 14, 1995: US05389957 (54 worldwide citation)

An ink jet head includes a base member, a first member having recesses and coupled with the base member to form ink passages using the recesses and a second member integral with the first member and extending at an angle from an end of the first member, the second member having ink ejection outlets ...