TK

Takumi Kagawa

TO Tosoh: 15 patents #14 of 1,042Top 2%
TF Tosoh F-Tech: 3 patents #4 of 26Top 20%
NT Nagoya Institute Of Technology: 1 patents #52 of 159Top 35%
TF Tosoh Finechem: 1 patents #23 of 40Top 60%
Overall (All Time): #250,920 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
11555024 Aldehyde adduct of hexafluoropropylene oxide, method of manufacturing trifluoropyruvyl fluoride dimer and method of manufacturing perfluoro(2,4-dimethyl-2-fluoroformyl-1,3-dioxolane) Hideki MIYAUCHI, Hiroshi Matsuo, Norihisa Kondo, Hideyuki Mimura 2023-01-17
10087147 5-(trifluoromethyl)pyrimidine derivatives and method for producing same Daiki Shigehiro, Kosuke Kawada 2018-10-02
9656970 5-(trifluoromethyl)pyrimidine derivatives and method for producing same Daiki Shigehiro, Kosuke Kawada 2017-05-23
8703969 Trifluoromethylthiophenium derivative salt, method for producing the same, and method for producing trifluoromethyl-containing compounds using the same Norio Shibata 2014-04-22
7645889 Optically active polymaleimide derivatives and process for their production Takuya Miyata, Kouji Kawabata 2010-01-12
7381742 Optically active polymaleimide derivatives and process for their production Takuya Miyata, Kouji Kawabata 2008-06-03
7186750 Optically active maleimide derivatives, optically active polymaleimide derivatives, process for their production, separating media comprising the optically active polymaleimide derivatives and method of separating optically active compounds using them Takuya Miyata, Kouji Kawabata 2007-03-06
7169944 Optically active epoxy compounds and processes for their production Takeshi Kambara, Hideo Sakka, Manabu YANASE 2007-01-30
6921832 Optically active fluorine-containing compounds and processes for their production Takuya Miyama, Toshio Naka 2005-07-26
6878835 Catalyst for asymmetric epoxidation of enones and process for producing optically active epoxide employing it Junji Inanaga 2005-04-12
6787657 Optically active epoxypropionate derivative, intermediate thereof and processes for their production Akinori Tanaka 2004-09-07
6777526 OPTICALLY ACTIVE MALEIMIDE DERIVATIVES, OPTICALLY ACTIVE POLYMALEIMIDE DERIVATIVES, PRODUCTION METHOD THEREOF, SEPARATING AGENT USING THE SAME DERIVATIVE, AND METHOD FOR SEPARATING OPTICALLY ACTIVE COMPOUNDS USING THE SAME AGENT Hideo Sakka 2004-08-17
6680275 Catalyst for asymmetric epoxidation of enones and process for producing optically active epoxide employing it Junji Inanaga 2004-01-20
5994435 Flame retardant and flame retardant resin composition formulated with the same Kimitaka Kuma, Kenji Koyama, Nobuhiro Fujita, Fumio Okisaki, Keiji Itabashi 1999-11-30
5777007 Brominated p-cumylphenol flame-retardants for resin composition Norihisa Kondo, Noriyuki Kasai, Hideo Sakka 1998-07-07
5258521 Process of producing optically active propionic acid ester derivatives Mikio Ito, Syunji Aman, Takashi Morooka, Hiroyuki Watanabe, Kenji Tsuzuki 1993-11-02
5068336 Process for producing 2-(4'-hydroxphenoxy)-3-chloro-5-trifluoromethylpyridine Takashi Morooka, Kenji Tsuzuki 1991-11-26
4940802 4,4'-bis(phthalimido)diphenyl sulfone compounds, processes for their production and flame retardant polymer compositions containing them Takao Matsuba, Masashige Kubo, Kiyotaka Oyama, Koji Kawabata 1990-07-10