Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336421 | Spinel-type spherical, black iron oxide particles and process for the producing the same | Eiichi Kurita, Haruki Kurokawa | 1994-08-09 |
| 5328793 | Magnetic particles for magnetic toner | Hiromitsu Misawa, Eiichi Kurita, Yasuhiko Fujii, Yoji Okano | 1994-07-12 |