Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645652 | Spindle-shaped magnetic iron-based alloy particles containing cobalt and iron as the main ingredients and process for producing the same | Kenji Okinaka | 1997-07-08 |
| 5599378 | Spindle-shaped magnetic iron based alloy particles and process for producing the same | Akio Mishima, Tosiharu Harada, Mamoru Tanihara, Kenji Okinaka, Kohji Mori +4 more | 1997-02-04 |