Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5975993 | Method of manufacturing developing roller | Masao Isoda, Hirokazu Ando, Takao Mizutani | 1999-11-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5975993 | Method of manufacturing developing roller | Masao Isoda, Hirokazu Ando, Takao Mizutani | 1999-11-02 |