Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898318 | Copper radiator for motor cars excellent in corrosion resistance and method of manufacturing the same | Syoji Shiga, Akira Matsuda, Nobuyuki Shibata | 1990-02-06 |
| 4775004 | Copper radiator for motor cars excellent in corrosion resistance and method of manufacturing | Syoji Shiga, Akira Matsuda, Nobuyuki Shibata | 1988-10-04 |
| 4741394 | Radiator for motor cars | Toru Tanigawa, Shoji Shiga, Yoshimasa Oyama | 1988-05-03 |