Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836868 | Permanent magnet and method of producing same | Osamu Kohmoto, Tetsuhito Yoneyama | 1989-06-06 |
KY
Kohichi Yajima
Overall (All Time): #3,929,576 of 4,157,543Top 95%
1
Patents All Time