Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688852 | Iron oxide particles and process for producing the same | Hiromitsu Misawa, Koso Aoki, Eiichi Kurita, Yoji Okano, Minoru Kozawa | 1997-11-18 |
| 5652060 | Spherical magnetic particles for magnetic toner and process for producing the same | Naoki Uchida, Koso Aoki, Hiromitsu Misawa, Minoru Kozawa | 1997-07-29 |
| 5648170 | Coated granular magnetite particles and process for producing the same | Yoji Okano, Eiichi Kurita, Koso Aoki, Hiromitsu Misawa, Minoru Kozawa | 1997-07-15 |
| 5599627 | Magnetic particles comprising magnetite core and process for producing the same | Koso Aoki, Hiromitsu Misawa, Yoji Okano, Minoru Kozawa, Naoki Uchida | 1997-02-04 |