Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6413330 | Lead-free free-cutting copper alloys | — | 2002-07-02 |
| 5445687 | Hot working material of corrosion resistant copper-based alloy | Tosuke Sukegawa, Yoshihito Shimoda, Hisashi Tan, Takahiro Tsuji | 1995-08-29 |