Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4755235 | Electrically conductive precipitation hardened copper alloy and a method for manufacturing the same | Masato Sakai | 1988-07-05 |
| 4451430 | Method of producing copper alloy by melting technique | Koichi Teshima, Masato Sakai | 1984-05-29 |