Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877704 | Process for developing latent electrostatic image using toner containing polyester resin | Hiroyuki Takagiwa, Jiro Takahashi, Meizo Shirose, Masafumi Uchida | 1989-10-31 |
| 4795689 | Electrostatic image developing toner for use in heat-roller fixing | Akitoshi Matsubara, Satoru Ikeuchi, Yoshio Takizawa | 1989-01-03 |