Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5450178 | Process and apparatus for replacing the carrier portion of a developing agent having toner used in an image-forming apparatus | Masato Kawashima, Mamoru Watanabe, Hideyuki Nanba | 1995-09-12 |
| 5418604 | Image forming method and apparatus with automatic skew control | Hiroji Uchimura, Yasunori Hamada, Nobuyuki Hayashida, Haruhisa Inagaki, Yoji Houki | 1995-05-23 |
| 5153643 | Method of preventing leakage of toner during pre-mounting transportation of a new developing unit | — | 1992-10-06 |
| 5068693 | Sheet path sensor provided in an electrophotographic image forming apparatus | Masato Kawashima | 1991-11-26 |