1
Hiroshi Sugitani, Hiroto Matsuda, Masami Ikeda: Liquid jet recording head. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, December 10, 1985: US04558333 (1277 worldwide citation)

A liquid jet recording head comprises a discharging orifice for forming flying droplets by discharging a liquid; a liquid pathway having a bent portion, an energy acting portion forming at least a part of said liquid pathway where the liquid filling the internal portion thereof is subjected to energ ...


2
Hiroshi Sugitani, Hiroto Matsuda, Masami Ikeda: Liquid-jetting head. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, September 9, 1986: US04611219 (185 worldwide citation)

A liquid-jetting head comprising a plurality of liquid-jetting-pressure-generating elements and a plurality of liquid-jetting orifices opposite to said elements through a liquid passage is characterized in that said passage is divided into at least two groups, and the adjacent elements of said eleme ...


3
Hiroshi Sugitani: Method of forming an ink-jet head. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, October 25, 1983: US04412224 (133 worldwide citation)

An ink-jet head comprising a multi-arrayed ink flow path and ink discharging nozzles, and the ink flow paths are formed according to photo-forming technique.


4
Hiroshi Sugitani: Ink-jet recording head with an elastic ink tank in a sealed casing held at a partial vacuum and having a breakable seal. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, August 25, 1987: US04689642 (131 worldwide citation)

An ink-jet recording head comprises an ejection element for forming ink droplets, an elastic ink tank for holding therein ink to be supplied to said ejection element, a casing for containing said ink tank therein, and a communication section detachably mounted to the casing capable of communicating ...


5
Hiroshi Sugitani, Masakazu Ozawa, Hiroto Matsuda, Masami Ikeda, Haruyuki Matsumoto: Ink jet head. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, May 22, 1984: US04450455 (77 worldwide citation)

An ink jet head comprises an orifice plate constituted of a hardened film of a photosensitive resin having an orifice which extends therethrough in the direction of its thickness.


6
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 ...


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Hiroshi Sugitani, Tadayoshi Inamoto, Masami Yokota: Ink jet recording head with delaminating feature. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, April 2, 1985: US04509063 (61 worldwide citation)

An ink jet recording head is made by laminating on a substrate a cured photosensitive resin film for forming ink pathways on the substrate and a cover of said pathways are provided. In the head, the thicknesses of the wall defining the ink pathways, the grooves and the spaces are not more than 15 ti ...


9
Hiroshi Sugitani: Ink jet head. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 22, 1983: US04417251 (61 worldwide citation)

Ink jet head and method for manufacturing the same, wherein a groove or grooves to constitute ink flow path are formed in a layer of a photosensitive composition placed on one surface of a substrate.


10
Tadayoshi Inamoto, Masami Yokota, Hiroshi Sugitani: Method for producing ink jet recording head. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, September 2, 1986: US04609427 (59 worldwide citation)

A method for producing an ink jet head by providing ink pathways formed from a photosensitive resin on a substrate surface and laminating a covering over said pathways comprises providing a protective layer comprising an inorganic oxide and/or an inorganic nitride on said substrate having arranged a ...