Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8578992 | Friction welding apparatus | Koichi Kawaura, Yasumasa Kuraya | 2013-11-12 |
| 5191140 | Process for producing olefin oligomer | Makoto Akatsu, Tatsuya Kawamura | 1993-03-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8578992 | Friction welding apparatus | Koichi Kawaura, Yasumasa Kuraya | 2013-11-12 |
| 5191140 | Process for producing olefin oligomer | Makoto Akatsu, Tatsuya Kawamura | 1993-03-02 |