Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10550203 | Polymers functionalized with heterocyclic nitrile compounds | Steven Luo, Ryouji Tanaka | 2020-02-04 |
| 9469741 | Polymers functionalized with heterocyclic nitrile compounds | Steven Luo, Ryouji Tanaka | 2016-10-18 |
| 9085646 | Polymers functionalized with heterocyclic nitrile compounds | Steven Luo, Ryouji Tanaka | 2015-07-21 |
| 8557915 | Process for producing conjugated diene polymer, conjugated diene polymer, and rubber composition | Takahiro Nakamura, Ryouji Tanaka, 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 | Ryouji Tanaka, Takuo Sone, Toshihiro Tadaki | 2013-03-26 |
| 8362156 | Polymers functionalized with heterocyclic nitrile compounds | Steven Luo, Ryouji Tanaka | 2013-01-29 |
| 8314189 | Polymers functionalized with heterocyclic nitrile compounds | Steven Luo, Ryouji Tanaka | 2012-11-20 |
| 8273941 | Nonwoven fabric, method for producing nonwoven fabric, and absorbent article | Katsuhiro Uematsu, Hideyuki Ishikawa | 2012-09-25 |
| 8153723 | Process for producing conjugated diene polymer, conjugated diene polymer, and rubber composition | Takahiro Nakamura, Ryouji Tanaka, 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 | Ryouji Tanaka, 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 | Ryouji Tanaka, Takuo Sone, Toshihiro Tadaki | 2010-04-20 |
| 6838526 | Modified conjugated diene polymer and method of producing the same and rubber composition | Takuo Sone, Ryouji Tanaka, Iwakazu Hattori, Hiroshi Akema, Atsushi Nakayama | 2005-01-04 |