Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362596 | Carrier for developing electrostatic latent image and process for producing the same | Yasuo Matsumura, Hiroshi Takano, Mamoru Yoshimura | 1994-11-08 |
| 5275902 | Developer composition for electrophotography | Yasuo Matsumura, Masaaki Usami | 1994-01-04 |