Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642315 | Rubber composition and crosslinked rubber | Masao Nakamura, Koichi Endo | 2003-11-04 |
| 6550508 | Rubber composition for tire tread having high performance on ice and pneumatic tire using the same | Yoichi Yamaguchi | 2003-04-22 |