Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888264 | Process for preparing toner or capsule toner for use in electrophotography | Toshiyuki Koshio, Yasuhide Goseki, Hisayuki Ushiyama, Masuo Yamazaki, Ichiro Ohsaki +3 more | 1989-12-19 |