Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877704 | Process for developing latent electrostatic image using toner containing polyester resin | Hiroyuki Takagiwa, Meizo Shirose, Kunio Akimoto, Masafumi Uchida | 1989-10-31 |