Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4561889 | Wear-resistant sintered ferrous alloy and method of producing same | Takaaki Oaku, Yasuzi Hokazono, Yoshihiro Maki | 1985-12-31 |
MS
Masahiko Shiota
Overall (All Time): #4,027,072 of 4,157,543Top 100%
1
Patents All Time