RF

Ryota Fujio

Bridgestone: 13 patents #150 of 2,860Top 6%
BL Bridgestone Tire Company Limited: 1 patents #196 of 438Top 45%
Overall (All Time): #357,187 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6025450 Amine containing polymers and products therefrom David F. Lawson, Mark L. Stayer, Jr., David Saffles, Koichi Morita, Yoichi Ozawa +1 more 2000-02-15
5916962 Rubber composition including a diene copolymer Tadashi Shibata 1999-06-29
5625017 Process for preparing a polymer using lithium initiator prepared by in situ preparation Koichi Morita, Atsushi Nakayama, Yoichi Ozawa 1997-04-29
5576376 Rubber composition containing a conjugated diene polymer Tadashi Shibata 1996-11-19
5550200 Method of producing conjugated diene-aromatic vinyl hydrocarbon copolymers Tadashi Shibata 1996-08-27
5514753 Process for preparing a block copolymer Yoichi Ozawa 1996-05-07
5329005 Soluble anionic polymerization initiators and preparation thereof David F. Lawson, Koichi Morita, Yoichi Ozawa, Mark L. Stayer, Jr. 1994-07-12
5292790 Conjugated diene series rubber compositions Takashi Shimizu, Takashi Kitamura 1994-03-08
5250630 Pneumatic tire Nobumitsu Oshima, Takashi Kitamura, Kenji Matsuo 1993-10-05
5183543 Polyanilines, process for the preparation thereof and cells using them Shinichi Toyosawa, Tadashi Nakajima, Kinya Suzuki, Takahiro Kawagoe, Tadaaki Miyazaki +5 more 1993-02-02
5137981 Halogenated polybutadiene series elastomers, method of producing the same and rubber compositions for tire containing this elastomer Tomoharu Yamada 1992-08-11
5104476 Adhesion method for rubber articles Tomoharu Yamada 1992-04-14
4717634 Electric cells utilizing polyaniline as a positive electrode active material Hideharu Daifuku, Tadashi Fuse, Masao Ogawa, Yoshitomo Masuda, Shinichi Toyosawa 1988-01-05
4461796 Sound damping materials Yoshihide Fukahori, Yasuhiro Morimura, Yukio Fukuura 1984-07-24