Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321168 | Process for preparing rubber composition for tire treads | Akio Ueda, Hiroshi Hirakawa, Asahiro Ahagon | 1982-03-23 |
SA
Shuichi Akita
Nippon Zeon Co.: 1 patents #4 of 38Top 15%
Overall (1982): #31,588 of 81,411Top 40%
1
Patents 1982