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Makoto Kashimura, Hiroshi Nakagomi, Seiichiro Karita, Tsuguhiro Fukuda, Tetsuo Kimura, Hirofumi Hirano, Mitsuru Kurata: Ink jet recording unit having an ink tank section containing porous material and a recording head section. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, January 26, 1993: US05182581 (196 worldwide citation)

An ink tank for storing recording ink comprises an ink storage section including an ink holding member for holding ink and substantially entirely occupying an ink storage space and a ventilation section having a vent hole communicating with the interior of the ink tank with atmosphere, the ventilati ...


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Hiroyuki Ishinaga, Masami Ikeda, Ryoichi Koizumi, Asao Saito, Kenjiro Watanabe, Tsutomu Abe, Nobuyuki Kuwabara, Tsuguhiro Fukuda, Tsutomu Katoh, Toshihiro Mori, Seiichiro Karita: Ink jet substrate including plural temperature sensors and heaters. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, December 29, 1992: US05175565 (73 worldwide citation)

A substrate for a liquid jet recording head includes a plurality of built-in energy elements forming an array for generating thermal energy for ejecting liquid, built-in electrode wiring for supplying electric signals to the energy generating elements and first and second built-in temperature sensor ...


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Masaaki Izumida, Koichi Sato, Shigeaki Tanaka, Tsuguhiro Fukuda, Nobuyuki Kuwabara, Akira Goto, Takashi Watanabe, Kunihiko Maeoka, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda, Asao Saito, Kazuaki Masuda, Akio Saito, Tsuyoshi Orikasa: Liquid jet recording head with nonlinear liquid passages and liquid jet recording apparatus having same. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, September 15, 1992: US05148192 (28 worldwide citation)

A liquid jet recording head includes a heat generating element; a heat acting zone in which heat generated by the heat generating device acts on liquid; a liquid feeding passage adjacent to the heat acting zone having a liquid supply opening for supplying liquid to the heat acting zone; a liquid eje ...


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Kenzou Kassai, Tsuguhiro Fukuda, Yamei Liu: Neonate dummy. Aprica Kassai Kabushikikaisha, GESAC, W F Fasse, W G Fasse, June 15, 2004: US06749433 (24 worldwide citation)

A neonate dummy make it possible to sense or measure a movement of the head of a neonate, the values of impacts applied to the thoracic part and the abdominal part (including the lumbar part) of the neonate, and the value or magnitude of the effect on the cervical vertebrae, as well as to clarify th ...


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Tsuguhiro Fukuda, Hiroshi Nakagomi, Seiichirou Karita: Recording head having cooling mechanism therefor. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 19, 1991: US05066964 (23 worldwide citation)

A liquid-jet recording head comprises an ejection opening for ejecting liquid, a liquid path communicating to the ejection opening and a substrate having an energy-generating element provided in correspondence with the ejection opening. The substrate is combined with a heat-capacity member and the h ...


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Masaaki Izumida, Koichi Sato, Shigeaki Tanaka, Tsuguhiro Fukuda, Nobuyuki Kuwabara, Akira Goto, Takashi Watanabe, Kunihiko Maeoka, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda, Asao Saito, Kazuaki Masuda, Akio Saito, Tsuyoshi Orikasa: Liquid jet head with nonlinear liquid passages having a diverging portion. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, December 6, 1994: US05371528 (21 worldwide citation)

A liquid jet head includes a heat generating element for producing a bubble to eject liquid from the head, a heat acting zone in which heat generated by the heat generating element produces a bubble in the liquid, a liquid supply passage adjacent the heat acting zone and having a liquid supply openi ...


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Hiroyuki Ishinaga, Masami Ikeda, Ryoichi Koizumi, Asao Saito, Kenjiro Watanabe, Tsutomu Abe, Nobuyuki Kuwabara, Tsuguhiro Fukuda, Tsutomu Katoh, Toshihiro Mori, Seiichiro Karita: Substrate having a built-in temperature detecting element, and ink jet apparatus having the same. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, May 22, 2001: US06234599 (20 worldwide citation)

The present invention involves recording apparatus having such a recording head that records using thermal energy. The recording head has a substrate which includes plural thermal energy generating elements for generating thermal energy, plural wiring lines electrically connected with associated sai ...


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Hiroyuki Ishinaga, Tsuguhiro Fukuda, Toshihiro Mori: Ink-jet recording head, board for said head and ink-jet recording apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 14, 1995: US05467113 (11 worldwide citation)

An ink-jet recording head for discharging ink by imparting heat energy to the ink, wherein heaters (8a, 8b) for warming a board are provided on the board (1) provided with a discharging heater array (6) as a group of discharging warming heaters (5) for generating thermal energy at both sides of the ...


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Shigeaki Tanaka, Nobuyuki Kuwabara, Akira Goto, Takashi Watanabe, Kunihiko Maeoka, Masaaki Izumida, Koichi Sato, Tsuguhiro Fukuda, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda, Asao Saito, Kazuaki Masuda, Akio Saito, Tsuyoshi Orikasa, Takashi Ohba, Hiroshi Nakagomi, Teruo Arashima, Jun Kawai, Tsutomu Abe, Toshio Kashino, Makiko Kimura, Hideo Saikawa, Seiichiro Karita: Ink jet recording head with ink chamber having slanted surfaces to aid bubble removal. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, September 5, 2000: US06113223 (10 worldwide citation)

An ink jet recording apparatus includes a liquid passage for ejection of ink; a liquid chamber for supplying ink to the passage; a device for mounting the recording head on the ink jet recording apparatus at an angle not more than 45 degrees relative to the horizontal plane; wherein the chamber has ...