YT

Yoshihisa Tomotaki

OK Otsuka Kagaku Kabushiki Kaisya: 4 patents #18 of 183Top 10%
OC Otsuka Chemical Co.: 2 patents #85 of 269Top 35%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
📍 Tokushima, JP: #278 of 1,059 inventorsTop 30%
Overall (All Time): #881,506 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6433042 Curing agents for epoxy resins Takashi Kitajima, Keiichiro Ishikawa, Akihiro Nabeshima, Tomohiro Furuichi 2002-08-13
6380288 Rubber composition and pneumatic tires Masahiro Hojo, Tomohiro Kusano, Akihiko Matsue, Kenichi Sugimoto, Shigeki Kamo +2 more 2002-04-30
6372825 Aqueous solution of water-soluble epoxy resin, solid obtained therefrom, and processes for producing these Takashi Kitajima, Keiichiro Ishikawa, Akihiro Nabeshima, Tomohiro Furuichi 2002-04-16
6359036 1-Aminopyrrolidine or its salt as epoxy resin hardener Takashi Kitajima, Keiichiro Ishikawa, Akihiro Nabeshima, Tomohiro Furuichi 2002-03-19
5981764 Process for producing 1-aminopyrrolidine, and 1-aminopyrrolidine according to the process Tsukasa Maekawa, Keiichiro Ishikawa, Akihiro Nabeshima, Tomohiro Furuichi 1999-11-09
4886891 Process for preparing 1,1-disubstituted ethylene derivative by reaction of lead with a carbinol derivative Shigeru Torii, Masatoshi Taniguchi, Michio Sasaoka, Mitsuo Akada, Hideo Tanaka +2 more 1989-12-12