Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5945246 | Process for producing a toner for electrophotography | Hiroyuki Kawaji, Ken-ichi Suenaga, Tetsuhiro Semura, Katsutoshi Aoki, Kuniyasu Kawabe | 1999-08-31 |
| 5483016 | Method for producing binder resin and toner for electrophotography using the binder resin | Katsutoshi Aoki, Hiroyuki Kawaji, Ken-ichi Suenaga, Tetsuhiro Semura, Kuniyasu Kawabe | 1996-01-09 |
| 5234787 | Developer composition for electrophotography | Kuniyasu Kawabe, Tetuhiro Semura | 1993-08-10 |
| 5234788 | Developer composition for electrophotography | Kuniyasu Kawabe, Tetuhiro Semura | 1993-08-10 |