Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398863 | Spindle-shaped hematite particles and process for making spindle-shaped hematite particles | Masaaki Maekawa | 2002-06-04 |
| 6391450 | Spindle-shaped goethite particles, spindle-shaped hematite particles, spindle-shaped magnetic iron-based alloy particles, and process for producing the same | Masayuki Uegami | 2002-05-21 |