Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321168 | Process for preparing rubber composition for tire treads | Shuichi Akita, Hiroshi Hirakawa, Asahiro Ahagon | 1982-03-23 |
| 4316503 | Solderless heat exchanger | Shogo Kurachi, Masami Tamura | 1982-02-23 |