Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845007 | Process for producing toner through suspension polymerization | Yoshihiko Hyosu, Hiromi Mori | 1989-07-04 |
| 4804610 | Process for producing toner by suspension polymerization method | Hiromi Mori, Satoshi Matsunaga, Kuniko Kobayashi, Yoshihiko Hyosu | 1989-02-14 |