Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370958 | Electrophotographic toner and production process thereof | Masaaki Shin, Yasuo Okada | 1994-12-06 |
| 5362595 | Electrophotographic toner production process | Nobuhiro Hirayama, Masaaki Shin, Shoji Kawasaki, Akira Misawa, Akio Fujiwara | 1994-11-08 |
| 5325351 | Optical recording medium having a reflective layer made of Cu-Ag or Cu-Au alloy | Mamoru Usami | 1994-06-28 |