Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6703470 | Conjugated diene-based rubber, oil extended rubber and rubber composition containing the same | Tomohisa Konno, Yoshiyuki Udagawa | 2004-03-09 |
| 6699935 | Rubber composition | Hiroshi Akema, Yoshiyuki Udagawa, Tomohisa Konno, Takafumi Fueki, Hajime Kondou | 2004-03-02 |
| 6653404 | Rubber compositions | Tomohisa Konno, Yoshiyuki Udagawa, Hiroshi Akema | 2003-11-25 |
| 6642314 | Rubber composition and solid golf ball | Takuo Sone | 2003-11-04 |
| 6562929 | Conjugated diene-based rubber and method of producing the same, oil extended rubber and rubber composition containing the same | Tomohisa Konno, Yoshiyuki Udagawa | 2003-05-13 |
| 6559219 | Rubber compositions | Tomohisa Konno, Yoshiyuki Udagawa, Hiroshi Akema | 2003-05-06 |
| 6518350 | Rubber composition and tire | Naokazu Kobayashi, Hiroshi Akema, Syuji Nishibata | 2003-02-11 |
| 6362272 | Oil extended rubber and rubber composition | Naokazu Kobayashi, Hiroshi Akema | 2002-03-26 |
| 6344518 | Conjugated diolefin copolymer rubber and rubber composition | Naokazu Kobayashi, Hiroshi Akema | 2002-02-05 |
| 6191234 | Conjugated diolefin-based copolymer rubber and composition thereof | Tamotsu Nagaoka, Hiroshi Akema, Iwakazu Hattori | 2001-02-20 |
| 6127472 | Rubber composition | Naokazu Kobayashi, Hiroshi Akema, Fumio Tsutsumi | 2000-10-03 |
| 5432232 | Rubber compositions | Iwakazu Hattori, Tatsuro Hamada, Fuji Yamanaka | 1995-07-11 |