Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6179761 | Semiconductive roller | Hirokazu Ando, Takao Mizutani, Masayuki Suzuki | 2001-01-30 |
| 6118970 | Cleaning roller | Masayuki Suzuki, Hirokazu Ando, Takao Mizutani | 2000-09-12 |
| 6081679 | Method of cleaning residual toner from drum and rollers of image forming apparatus | Tsutomu Yamane, Akihito Onishi, Hirokazu Ando, Takao Mizutani | 2000-06-27 |
| 5975993 | Method of manufacturing developing roller | Hirokazu Ando, Takao Mizutani, Tutomu Shimoda | 1999-11-02 |