Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370958 | Electrophotographic toner and production process thereof | Kenji Uchiyama, Yasuo Okada | 1994-12-06 |
| 5362595 | Electrophotographic toner production process | Nobuhiro Hirayama, Shoji Kawasaki, Akira Misawa, Akio Fujiwara, Kenji Uchiyama | 1994-11-08 |
| 5334473 | Continuous method of treating polymer reaction mixture | Nobuki Kobayashi, Yoku Shiraishi, Takashi Yamamoto | 1994-08-02 |
| 5279915 | Toner composition for electrophotography | Kazuo Hagiwara, Akira Misawa, Kazuo Hisamatsu, Keiichi Ishikawa | 1994-01-18 |