Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6687473 | Method and apparatus for a non-contact direct transfer imaging system | Bobo Wang, Jon-Shin Hu, Tan-Feng Tsai, Chou-Jiung Lin, Vincent Lee | 2004-02-03 |
| 6605402 | Method of using variably sized coating particles in a mono component developing system | Lawrence B. Schein, Graham Galliford | 2003-08-12 |
| 6484004 | Method and apparatus for stabilizing the charge-to-mass ratio of various toner components in a multi-toner tone-on-tone electrophotographic device | Larry B. Schein, Hung-Hsu Hsu | 2002-11-19 |