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 1–25 of 43 patents

Patent #TitleCo-InventorsDate
11827831 Fluid composition, refrigerant composition and air conditioner Hidekazu Okamoto, Hiroki HAYAMIZU, Katsuya Ueno, Masato Fukushima, Kenji TAKIZAWA 2023-11-28
11548267 Heat cycle system Hiroki HAYAMIZU, Masato Fukushima 2023-01-10
11149177 Working fluid for heat cycle Mai Tasaka, Masato Fukushima, Toshiyuki Tanaka 2021-10-19
11072734 Composition for heat cycle system, and heat cycle system Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Takeaki Arai 2021-07-27
11046630 Method for producing 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene, and composition Takuya IWASE, Satoshi Kawaguchi 2021-06-29
11009269 Heat cycle system Hisao Wakabayashi 2021-05-18
10787597 Working fluid for heat cycle, composition for heat cycle system, and heat cycle system Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Satoshi Kawaguchi, Katsuya Ueno +7 more 2020-09-29
10418876 Compressor and heat cycle system for refrigerator Hiroki HAYAMIZU, Masato Fukushima, Tetsuo Otsuka 2019-09-17
10392546 Composition for heat cycle system, and heat cycle system Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Takeaki Arai 2019-08-27
10377686 Method for producing 1-chloro-2,3,3,3-tetrafluoropropene Shingo Nomura, Hidekazu Okamoto 2019-08-13
10233371 Composition for heat cycle system, and heat cycle system Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Takeaki Arai 2019-03-19
10131827 Working fluid for heat cycle, composition for heat cycle system, and heat cycle system Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Satoshi Kawaguchi, Katsuya Ueno +7 more 2018-11-20
9976067 Composition for heat cycle system, and heat cycle system Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Takeaki Arai 2018-05-22
9957430 Composition for heat cycle system, and heat cycle system Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Takeaki Arai 2018-05-01
9957429 Composition for heat cycle system, and heat cycle system Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Takeaki Arai 2018-05-01
9570891 Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Satoshi Marushima, Tooru Inoue 2017-02-14
9193649 Purifying method and manufacturing method of 2,3,3,3-tetrafluoropropene Satoshi Kawaguchi, Masaaki Tsuzaki, Masato Fukushima, Hidekazu Okamoto 2015-11-24
9178339 Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Satoshi Marushima, Tooru Inoue 2015-11-03
9142941 Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Satoshi Marushima, Tooru Inoue 2015-09-22
9136675 Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Satoshi Marushima, Tooru Inoue 2015-09-15
8844913 Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Satoshi Marushima, Tooru Inoue 2014-09-30
8766021 Process for producing 2,3,3,3-tetrafluoropropene Satoshi Kawaguchi, Hidekazu Okamoto, Yu Takeuchi, Kunio Watanabe, Koichi Yanase 2014-07-01
8642820 Process for producing 1,1-dichloro-2,3,3,3-tetrafluoropropene and 2,3,3,3-tetrafluoropropene Ryuji Seki, Hidekazu Okamoto, Satoshi Kawaguchi 2014-02-04
8569553 Process for producing 2,3,3,3-tetrafluoropropene Hidekazu Okamoto 2013-10-29
8530710 Process for producing 2,3,3,3-tetrafluoropropene Hidekazu Okamoto, Satoshi Kawaguchi, Yu Takeuchi, Kunio Watanabe, Koichi Yanase +1 more 2013-09-10