Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440322 | Magnetic fluid and process for the production thereof | Young-Sam Kim, Toyohisa Fujita, Takafumi Atarashi | 2002-08-27 |
| 6387532 | Coated powder and process for the preparation thereof | Takafumi Atarashi, Akira Kishimoto | 2002-05-14 |