RT

Ryouji Tanaka

JS Jsr: 15 patents #44 of 1,137Top 4%
Bridgestone: 9 patents #248 of 2,860Top 9%
Overall (All Time): #221,635 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10550203 Polymers functionalized with heterocyclic nitrile compounds Steven Luo, Kouichirou Tani 2020-02-04
9550840 Process for production of modified conjugated diene rubber, modified conjugated diene rubber, and rubber composition Takahiro Nakamura 2017-01-24
9527932 Method for producing denatured conjugated diene polymer Hiroyuki Morita, Takeshi Yuasa, Koichiro Tani, Naoya Nosaka, Koji Okada 2016-12-27
9469741 Polymers functionalized with heterocyclic nitrile compounds Steven Luo, Kouichirou Tani 2016-10-18
9212276 Modified conjugated diene rubber, method for producing same, and rubber composition Masahiro Shibata, Takaomi Matsumoto, Kenji Hasegawa, Toshihiro Tadaki 2015-12-15
9206277 Modified conjugated diene rubber, method for producing same, and rubber composition 2015-12-08
9090754 Method for producing denatured conjugated diene polymer Hiroyuki Morita, Takeshi Yuasa, Koichiro Tani, Naoya Nosaka 2015-07-28
9085646 Polymers functionalized with heterocyclic nitrile compounds Steven Luo, Kouichirou Tani 2015-07-21
8980987 Method for producing modified conjugated diene rubber, modified conjugated diene rubber, and rubber composition Naoya Nosaka 2015-03-17
8809440 Method of producing modified conjugated diene rubber, modified conjugated diene rubber, and rubber composition Masahiro Shibata, Takahiro Nakamura, Kenji Hasegawa, Toshihiro Tadaki 2014-08-19
8557915 Process for producing conjugated diene polymer, conjugated diene polymer, and rubber composition Takahiro Nakamura, Kouichirou Tani, Takuo Sone, Toshihiro Tadaki, Junko Kurazumi +2 more 2013-10-15
8404785 Method for producing modified conjugated diene polymer, modified conjugated diene polymer, and rubber composition Kouichirou Tani, Takuo Sone, Toshihiro Tadaki 2013-03-26
8362156 Polymers functionalized with heterocyclic nitrile compounds Steven Luo, Kouichirou Tani 2013-01-29
8314189 Polymers functionalized with heterocyclic nitrile compounds Steven Luo, Kouichirou Tani 2012-11-20
8258241 Method for producing modified conjugated diene polymer, modified conjugated diene polymer, and rubber composition Takahiro Nakamura, Takuo Sone, Toshihiro Tadaki 2012-09-04
8153723 Process for producing conjugated diene polymer, conjugated diene polymer, and rubber composition Takahiro Nakamura, Kouichirou Tani, Takuo Sone, Toshihiro Tadaki, Junko Kurazumi +2 more 2012-04-10
7893153 Process for producing modified conjugated diene polymer, modified conjugated diene polymer obtained by the process, and rubber composition containing the same Kouichirou Tani, Takuo Sone, Toshihiro Tadaki, Junko Kurazumi, Koji Masaki +1 more 2011-02-22
7700686 Process for producing modified polymer, modified polymer obtained by the process, and rubber composition thereof Kouichirou Tani, Takuo Sone, Toshihiro Tadaki 2010-04-20
7202306 Method for producing modified conjugated diene polymer and rubber composition Takuo Sone, Toshihiro Tadaki 2007-04-10
6838526 Modified conjugated diene polymer and method of producing the same and rubber composition Takuo Sone, Kouichirou Tani, Iwakazu Hattori, Hiroshi Akema, Atsushi Nakayama 2005-01-04