Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6336979 | Wear resistant copper base alloy, method of preparing the same and electrical part using the same | Akira Sugawara, Takayoshi Endo | 2002-01-08 |
| 6312762 | Process for production of copper or copper base alloys | Akira Sugawara, Takayoshi Endo | 2001-11-06 |
| 6254702 | Copper base alloys and terminals using the same | Akira Sugawara, Takayoshi Endo | 2001-07-03 |
| 6180174 | Process for the production of a coated copper alloy | Akira Sugawara, Takayoshi Endo, Osamu Sugiyama | 2001-01-30 |
| 6040067 | Hard coated copper alloys | Akira Sugawara, Takayoshi Endo, Osamu Sugiyama | 2000-03-21 |
| 5849424 | Hard coated copper alloys, process for production thereof and connector terminals made therefrom | Akira Sugawara | 1998-12-15 |