Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7902265 | Rubber composition for tire | Takamasa Kitamura, Naoki Kushida, Toshiaki Masuda, Kenichi Kitano, Yoshiaki Shirakabe | 2011-03-08 |
| 6892774 | Radial tire derived from rubber composition containing expandable graphite | Takeshi Hotaka | 2005-05-17 |
| 6730710 | Rubber composition for tire and process of production thereof | Takeshi Hotaka, Takashi Shirokawa | 2004-05-04 |