TH

Toshiaki Hirosawa

Canon: 81 patents #221 of 19,416Top 2%
Overall (All Time): #22,179 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 26–50 of 81 patents

Patent #TitleCo-InventorsDate
7871151 Liquid discharge head Akira Yamamoto, Shuzo Iwanaga 2011-01-18
7789499 Ink jet print head and method of manufacturing ink jet print head Shuzo Iwanaga, Yasuhiko Osaki, Akira Yamamoto, Riichi Saito, Yasutomo Watanabe 2010-09-07
7775638 Ink jet recording head and recording apparatus Shuzo Iwanaga, Yasutomo Watanabe, Riichi Saito 2010-08-17
7771020 Ink jet recording head Kyota Miyazaki, Shuzo Iwanaga 2010-08-10
7690767 Ink jet recording head and ink jet recording apparatus Shuzo Iwanaga, Yasutomo Watanabe, Riichi Saito 2010-04-06
7686423 Liquid discharge head and manufacturing method thereof Osamu Sato 2010-03-30
7625072 Ink jet recording head and recording apparatus Riichi Saito, Yasutomo Watanabe, Shuzo Iwanaga, Akira Yamamoto 2009-12-01
7533960 Liquid discharge head, and method of manufacturing liquid discharge head Junji Yasuda, Katsuhiko Takano, Manabu Sueoka, Shigeo Takenaka, Katsumasa Nishikawa +1 more 2009-05-19
6910759 Liquid discharge recording head cartridge and liquid discharge recording apparatus Shogo Kawamura, Minoru Nozawa, Kyota Miyazaki, Kenta Udagawa, Shuzo Iwanaga +1 more 2005-06-28
6896359 Ink jet recording head and method for manufacturing ink jet recording head Kyota Miyazaki, Osamu Morita, Osamu Sato, Kenta Udagawa, Shuzo Iwanaga 2005-05-24
6877839 METHOD FOR MANUFACTURING AN INK JET RECORDING HEAD, AN INK JET RECORDING HEAD MANUFACTURED BY SUCH METHOD OF MANUFACTURE, AND AN INK JET RECORDING APPARATUS HAVING SUCH INK JET RECORDING HEAD MOUNTED THEREON Shogo Kawamura, Yasutomo Watanabe, Riichi Saito 2005-04-12
6830621 Liquid discharge apparatus for producing probe carrier, apparatus for producing probe carrier and method for producing probe carrier Kenta Udagawa 2004-12-14
6752492 Print head and ink jet printing apparatus Minoru Nozawa, Riichi Saito, Shogo Kawamura, Toshimori Miyakoshi 2004-06-22
6652702 Ink jet recording head and method for manufacturing ink jet recording head Kyota Miyazaki, Osamu Morita, Osamu Sato, Kenta Udagawa, Shuzo Iwanaga 2003-11-25
6637865 Liquid discharge head, driving method therefor, and cartridge, and image forming apparatus Shuichi Murakami, Takayuki Murata, Shogo Kawamura, Tetsuya Edamura 2003-10-28
6592215 Liquid ejection recording head Kenta Udagawa, Taiji Yoshinari, Akifumi Kanno 2003-07-15
6557989 Print head and ink jet printing apparatus Minoru Nozawa, Riichi Saito, Shogo Kawamura, Toshimori Miyakoshi 2003-05-06
6536868 Liquid ejection type print head, printing apparatus provided with same and a method for producing a liquid ejection type print head Shogo Kawamura, Riichi Saito 2003-03-25
6471901 Method for manufacturing ink jet recording head using thermohardening filler Shogo Kawamura, Yasutomo Watanabe, Riichi Saito 2002-10-29
6464338 Ink jet head with separable tank holding member and recording unit Osamu Morita, Shogo Kawamura 2002-10-15
6371604 INK JET RECORDING HEAD ASSEMBLY HAVING AN URGING MEMBER FOR CONTACTING COMPONENTS THEREOF, THE URGING MEMBER HAVING AN INK SUPPLY MECHANISM, AND INK JET HEAD CARTRIDGE AND INK JET APPARATUS HAVING THE SAME Toru Yamane 2002-04-16
6338552 Ink refilling method and apparatus, ink container refilled therewith and ink jet apparatus comprising ink refilling apparatus Osamu Sato, Osamu Morita, Shogo Kawamura 2002-01-15
D451541 Ink cartridge with printing head for printer Kenta Udagawa, Kyota Miyazaki, Shuzo Iwanaga 2001-12-04
6257703 Ink jet recording head Osamu Morita, Osamu Sato, Shogo Kawamura 2001-07-10
D443892 Ink cartridge with printing head for printer Tetsuya Sekine, Shogo Kawamura, Riichi Saito, Osamu Morita 2001-06-19