Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4901908 | Aluminum material for brazing, method of manufacturing same, and method of manufacturing heat exchanger made of aluminum alloy | Ken Yamamoto, Shigeo Ito, Masahiro Shimoya | 1990-02-20 |