Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5480755 | Magnetic toner, image forming method, surface-modified fine silica powder and process for its production | Masaki Uchiyama, Yasutaka Akashi, Masaaki Taya, Makoto Unno | 1996-01-02 |