Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6531003 | Abrasion resistant copper alloy, copper alloy powder for build-up cladding, and engine cylinder head | Ryuji Ninomiya, Koichi Miyake, Makoto Kano, Kenji Tsushima, Hidenobu Matsuyama +1 more | 2003-03-11 |
| 5911949 | Abrasion resistant copper alloy | Ryuji Ninomiya, Makoto Kano, Hidenobu Matsuyama | 1999-06-15 |