Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6383637 | Black magnetic iron oxide particles for magnetic toner and process for producing the same | Hiromitsu Misawa, Koso Aoki, Minoru Kozawa, Naoki Uchida, Nobuya Shimo | 2002-05-07 |