Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6348114 | Copper alloy and sliding bearing having improved seizure resistance | Takashi Tomikawa, Soji Kamiya, Katuyuki Hashizume | 2002-02-19 |
| 6254701 | Copper alloy and sliding bearing having improved seizure resistance | Takashi Tomikawa, Soji Kamiya, Katuyuki Hashizume | 2001-07-03 |