Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5154978 | Highly corrosion-resistant rare-earth-iron magnets | Masatoshi Nakayama, Koichi Yajima, Kenji Nakaya, Kunihiro Ueda, Masanori Shibahara +1 more | 1992-10-13 |
TO
Takatoshi Ooyama
Overall (All Time): #3,861,187 of 4,157,543Top 95%
1
Patents All Time