Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362595 | Electrophotographic toner production process | Nobuhiro Hirayama, Masaaki Shin, Shoji Kawasaki, Akio Fujiwara, Kenji Uchiyama | 1994-11-08 |
| 5279915 | Toner composition for electrophotography | Kazuo Hagiwara, Kazuo Hisamatsu, Keiichi Ishikawa, Masaaki Shin | 1994-01-18 |