HT

Hirokazu Takagi

AC Asahi Glass Co.: 17 patents #71 of 2,251Top 4%
AG Agc: 12 patents #41 of 954Top 5%
KT Kabushiki Kaisha Toshiba: 11 patents #2,779 of 21,451Top 15%
YC Yamanouchi Pharmaceutical Co.: 1 patents #277 of 516Top 55%
DE Denso: 1 patents #6,940 of 11,792Top 60%
AP Astellas Pharma: 1 patents #544 of 954Top 60%
Overall (All Time): #70,192 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
8530711 Process for producing 2,3,3,3-tetrafluoropropene Satoshi Kawaguchi, Hidekazu Okamoto, Yu Takeuchi, Kunio Watanabe, Koichi Yanase 2013-09-10
8444857 Method for purifying fluorinated compound Ryuji Seki 2013-05-21
8420969 Switchgear and switchgear operating mechanism Satoshi Marushima, Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu 2013-04-16
8399722 Process for producing 2,3,3,3-tetrafluoropropene Satoshi Kawaguchi, Hidekazu Okamoto, Yu Takeuchi, Kunio Watanabe, Koichi Yanase 2013-03-19
8330065 Switchgear and switchgear operating mechanism Yoshiaki Ohda, Masaharu Shimizu, Satoshi Marushima, Yoshikata Kobayashi 2012-12-11
7868755 Sensor attached IC tag application high voltage equipment Masahiro Hanai, Haruhisa Wada, Shiro Maruyama, Masayuki Sato 2011-01-11
7557227 Process for producing hexafluoropropylene oxide Kazuya Oharu, Keiichi Ohnishi 2009-07-07
7408019 Fluorinated ether compound Masao Iwaya, Kazuya Oharu, Hidekazu Okamoto 2008-08-05
7189415 Rapidly disintegrable pharmaceutical composition Atsushi Kajiyama, Masahiro Yanagisawa 2007-03-13
7092007 Vehicular forward-vision display system decreasing luminance with decreasing vehicle speed Shotaro Eguchi, Hideki Senoo, Yasuo Hirayama, Yoshihiko Goto 2006-08-15
7053326 Integrated type gas-insulated switching apparatus Sachio Muraki, Hiroshi Murase, Reiji Ohara, Akio Kobayashi 2006-05-30
6969776 Process for producing fluorinated ketone Takashi Okazoe, Kunio Watanabe, Masahiro Ito, Daisuke Shirakawa, Shin Tatematsu 2005-11-29
6899899 Rapidly disintegrable pharmaceutical composition Atsushi Kajiyama, Masahiro Yanagisawa 2005-05-31
6803488 Process for producing fluorinated ketone Takashi Okazoe, Kunio Watanabe, Masahiro Ito, Daisuke Shirakawa, Shin Tatematsu 2004-10-12
6743999 Integrated type gas-insulated switching apparatus Sachio Muraki, Hiroshi Murase, Reiji Ohara, Akio Kobayashi 2004-06-01
6649853 Combined type fluid pressure driving apparatus Yoshikata Kobayashi, Fumio Nakajima, Tsutomu Tanaka, Masaharu Shimizu, Akio Kobayashi +1 more 2003-11-18
6534683 Process for producing fluorinated alkylamine compound Keiichi Ohnishi 2003-03-18
5321171 Method for producing methyl chloride Takeshi Morimoto, Shinsuke Morikawa, Naoki Yoshida 1994-06-14