Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6465579 | Silica-polymer composite, method of production thereof, and rubber composition using the same | Fumito Yatsuyanagi, Hidekazu Onoi | 2002-10-15 |
| 6403720 | Rubber composition and production process thereof | Hidekazu Onoi, Satoshi Mihara | 2002-06-11 |
| 6372855 | Polymer containing isobutylene as repeating unit and rubber composition containing the same | Masahiro Ikawa, Hidekazu Onoi | 2002-04-16 |
| 6344537 | Vulcanizing agent for rubber and rubber composition containing the same | Hidekazu Onoi | 2002-02-05 |