HS

Hiroshi Sugitani

Canon: 94 patents #127 of 19,416Top 1%
RK Riso Kagaku: 23 patents #5 of 551Top 1%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Ibaraki, JP: #10 of 6,779 inventorsTop 1%
Overall (All Time): #10,378 of 4,157,543Top 1%
118
Patents All Time

Issued Patents All Time

Showing 51–75 of 118 patents

Patent #TitleCo-InventorsDate
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
6270199 Liquid ejecting head, liquid ejecting device and liquid ejecting method Makiko Kimura, Tadayoshi Inamoto, Yoshie Nakata 2001-08-07
6244700 Ink jet recording apparatus and a fixing heater used for such apparatus Isao Kimura, Yasuhiro Yano 2001-06-12
6231166 Ink jet head Jun Kawai, Masami Kasamoto, Tsuyoshi Orikasa, Hiroyuki Ishinaga, Teruo Arashima +1 more 2001-05-15
6224200 Ink tank with ink absorbing member having particular holes or slits Masahiko Higuma, Jun Kawai, Yohei Sato, Yoichi Taneya, Tokuya Ohta +4 more 2001-05-01
6224205 Color-filter manufacturing method and apparatus, color filter, display device, and apparatus having display device Makoto Akahira, Hiroshi Sato, Katsuhiro Shirota, Koichiro Nakazawa, Hiromitsu Yamaguchi 2001-05-01
6179412 Liquid discharging head, having opposed element boards and grooved member therebetween Hiroyuki Ishinaga, Jun Kawai, Masaaki Okada 2001-01-30
6180018 Ink jet printing head, manufacturing method therefor, and ink jet printing apparatus Masashi Miyagawa, Kazuaki Masuda, Masashi Kitani, Masami Kasamoto, Toshihiro Mori +3 more 2001-01-30
6174053 Ink tank, head cartridge and ink jet printing apparatus Masahiko Higuma, Jun Kawai, Yohei Sato, Yoichi Taneya, Tokuya Ohta +4 more 2001-01-16
6164765 Ink refilling container and ink refilling method using same Osamu Sato 2000-12-26
6155677 Ink jet recording head, an ink jet unit and an ink jet apparatus using said recording head Masashi Kitani, Yasuro Kashima, Masanori Takenouchi, Tadanobu Nagami, Kunihiko Maeoka +7 more 2000-12-05
6135589 Ink jet recording head with ejection outlet forming member and urging member for assembling the head, and apparatus with such a head Hiroshi Nakagomi, Teruo Arashima, Kunihiko Maeoka, Takashi Ohba, Jun Kawai +11 more 2000-10-24
6137512 Ink container Masahiko Higuma, Masami Ikeda 2000-10-24
6113223 Ink jet recording head with ink chamber having slanted surfaces to aid bubble removal Shigeaki Tanaka, Nobuyuki Kuwabara, Akira Goto, Takashi Watanabe, Kunihiko Maeoka +18 more 2000-09-05
6109742 Ink tank, head cartridge and ink jet printing apparatus Masahiko Higuma, Jun Kawai, Yohei Sato, Yoichi Taneya, Tokuya Ohta +4 more 2000-08-29
6074543 Method for producing liquid ejecting head Aya Yoshihira, Tadayoshi Inamoto, Makiko Kimura, Toshio Kashino, Shuji Koyama +4 more 2000-06-13
6059400 Ink jet apparatus Makiko Kimura, Toshio Kashino, Teruo Arashima, Yoshifumi Hattori, Masami Ikeda +9 more 2000-05-09
6048058 Ink jet head, ink jet cartridge incorporating ink jet, and ink jet apparatus incorporating cartridge Masami Kasamoto, Yasuroh Kashima, Kazuaki Masuda, Tsuyoshi Orikasa, Hiroyuki Ishinaga +5 more 2000-04-11
6040002 Etching resist composition, pattern forming method making use of the same, printed-wiring board and its production Hiromichi Noguchi, Yutaka Koizumi, Tadayoshi Inamoto, Kiyomi Aono, Yoshie Nakata 2000-03-21
5992981 Ink jet head, ink jet apparatus, and method of and apparatus for manufacturing the head Masami Kasamoto, Tsuyoshi Orikasa, Masashi Miyagawa, Jun Kawai, Teruo Arashima +1 more 1999-11-30
5952401 Ink for use in ink-jet recording Makiko Kimura, Masami Ikeda, Kiyomi Aono, Hiromichi Noguchi, Yoshie Nakata 1999-09-14
5933163 Ink jet recording apparatus Yutaka Koizumi, Masaki Inaba, Masami Ikeda, Masami Kasamoto, Tsuyoshi Orikasa +9 more 1999-08-03
5929879 Ink jet head having ejection outlet with different openings angles and which drives ejection energy generating elements in blocks Seiichiro Karita, Yasuroh Kashima 1999-07-27
5850238 Recording head with cover Seiichiro Karita, Hideo Saikawa, Yoshifumi Hattori, Masami Ikeda, Asao Saito +5 more 1998-12-15
5828496 Illumination optical system Masayuki Nishiwaki, Tsuyoshi Orikasa, Akira Goto 1998-10-27