Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4753678 | Sintered hard metal having superior toughness | Masao Maruyama, Atsushi Seki, Kotaro Hagiwara | 1988-06-28 |
MY
Masayoshi Yatabe
Overall (All Time): #3,954,464 of 4,157,543Top 100%
1
Patents All Time