Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5282908 | High strength .alpha. brass containing Mn, Si, Co, Fe, Sn and Pb | Kunio Nakashima, Takayuki Tanaka, Wataru Yago, Kenzo Yamamoto | 1994-02-01 |
| 5089354 | Wear-resistant, anti-seizing copper alloy composite materials | Kunio Nakashima, Ryouichi Ishigane, Takayuki Tanaka | 1992-02-18 |