YT

Yoshinori Tagawa

Canon: 56 patents #559 of 19,416Top 3%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #40,373 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 26–50 of 59 patents

Patent #TitleCo-InventorsDate
8388099 Ink jet recording head Hiroyuki Murayama, Toshiaki Kurosu 2013-03-05
8388084 Liquid ejection head, method for evaluation of liquid ejection head, and liquid ejection apparatus having liquid ejection head Masataka Nagai, Satoshi Ibe, Kazuhiro Asai, Masaki Ohsumi 2013-03-05
8388106 Ink discharge head and manufacturing method thereof Toshiaki Kurosu, Satoshi Ibe, Kazuhiro Asai 2013-03-05
8371680 Substrate having protection layers for liquid-ejection head, liquid ejection head, method for manufacturing substrate for liquid-ejection head, and method for manufacturing liquid ejection head Hiroto Komiyama, Satoshi Ibe, Mitsuru Chida, Kazuhiro Asai 2013-02-12
8342659 Liquid discharge head and method for manufacturing the same Kenji Fujii, Kazuhiro Asai, Makoto Watanabe, Yoshiyuki Imanaka, Yuuji Tamaru +1 more 2013-01-01
8338195 Method for manufacturing a liquid-ejection head Koji Sasaki, Kazuhiro Asai, Keiji Edamatsu 2012-12-25
8329047 Method for producing liquid discharge head Tadanobu Nagami, Junichi Kobayashi, Takeshi Terada, Makoto Watanabe, Hiroyuki Abo +8 more 2012-12-11
8323519 Method for manufacturing liquid discharge head Mitsunori Toshishige, Hideo Tamura, Taichi Yonemoto 2012-12-04
8286351 Manufacturing method of liquid discharge head Keiji Edamatsu, Kazuhiro Asai, Satoshi Ibe, Hiroto Komiyama, Toshiaki Kurosu +1 more 2012-10-16
8256878 Substrate for ink ejection heads, ink ejection head, method of manufacturing substrate, and method of manufacturing ink ejection head Satoshi Ibe, Kazuhiro Asai, Hiroto Komiyama, Toshiaki Kurosu, Masataka Nagai 2012-09-04
8220901 Liquid discharge head and manufacturing method thereof Souta Takeuchi, Kazuhiro Asai, Hiroto Komiyama 2012-07-17
8191260 Liquid ejection head and manufacturing method thereof Maki Kato, Masaki Ohsumi, Kazuhiro Asai, Masahiko Kubota, Tamaki Sato +1 more 2012-06-05
8152276 Liquid jet head, method for manufacturing liquid jet head, and method for forming structure for liquid jet head Hiroyuki Murayama, Souta Takeuchi, Makoto Watanabe, Keiji Watanabe 2012-04-10
8147034 Liquid discharge recording head and recording apparatus Junichi Kobayashi, Kenji Fujii, Hiroyuki Murayama, Makoto Watanabe, Taichi Yonemoto 2012-04-03
8148049 Ink jet recording head and manufacturing method of the same Hiroyuki Murayama, Junichi Kobayashi, Kenji Fujii, Hideo Tamura, Taichi Yonemoto +1 more 2012-04-03
8133662 Method for manufacturing liquid discharge head Makoto Watanabe, Satoshi Ibe, Kazuhiro Asai, Masaki Ohsumi, Masataka Nagai 2012-03-13
8128204 Liquid ejection head and method for manufacturing liquid ejection head Noriyasu Ozaki, Junichi Kobayashi, Shuji Koyama, Tadanobu Nagami, Kenji Fujii +8 more 2012-03-06
8091233 Method of manufacturing liquid discharge head Taichi Yonemoto, Junichi Kobayashi, Hideo Tamura, Hiroyuki Murayama, Kenji Fujii +1 more 2012-01-10
8047632 Ink jet recording head Kenji Fujii, Hiroyuki Murayama, Taichi Yonemoto, Mitsunori Toshishige, Keiji Watanabe 2011-11-01
8037603 Ink jet head and producing method therefor Kenji Fujii, Junichi Kobayashi, Hideo Tamura, Hiroyuki Murayama, Keiji Watanabe +6 more 2011-10-18
7930824 Method of manufacturing ink jet recording head Masaki Ohsumi, Shuji Koyama, Hiroyuki Murayama, Kenji Fujii, Yoshinobu Urayama +1 more 2011-04-26
7901064 Ink jet recording head with ink filter formed of a plurality of stacked films Yoshinobu Urayama, Kenji Fujii, Masaki Ohsumi, Jun Yamamuro, Hiroyuki Murayama +1 more 2011-03-08
7891784 Liquid ejection head and method for manufacturing liquid ejection head Noriyasu Ozaki, Junichi Kobayashi, Shuji Koyama, Tadanobu Nagami, Kenji Fujii +8 more 2011-02-22
7862158 Method of manufacturing ink jet recording head, ink jet cartridge Kenji Fujii, Shuji Koyama, Masaki Osumi, Shingo Nagata, Jun Yamamuro +2 more 2011-01-04
7753502 Method of manufacturing ink jet recording head, ink jet recording head, and ink jet cartridge Kenji Fujii, Shuji Koyama, Masaki Osumi, Shingo Nagata, Jun Yamamuro +2 more 2010-07-13