Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898318 | Copper radiator for motor cars excellent in corrosion resistance and method of manufacturing the same | Akira Matsuda, Nobuyuki Shibata, Kiichi Akasaka | 1990-02-06 |
| 4775004 | Copper radiator for motor cars excellent in corrosion resistance and method of manufacturing | Akira Matsuda, Nobuyuki Shibata, Kiichi Akasaka | 1988-10-04 |