Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6391450 | Spindle-shaped goethite particles, spindle-shaped hematite particles, spindle-shaped magnetic iron-based alloy particles, and process for producing the same | Kenji Okinaka | 2002-05-21 |