Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6421517 | Toner supply device with rotatable agitating element | Toshio Nishino, Yasuyuki Ishiguro, Hiroshi Tanisawa, Haruko Yoneda, Jun Yamaguchi +4 more | 2002-07-16 |
| 6415126 | Developing unit with agitator and conveying sheet for toner | Yasuyuki Ishiguro, Toshio Nishino, Tsutomu Nagata, Hiroshige Araki, Yoshinori Otsuka | 2002-07-02 |
| 6385422 | Developing unit equipped with a toner replenishing device configured with a conveying sheet and rotator | Yasuyuki Ishiguro, Tsutomu Nagata, Toshio Nishino, Hiroshi Tanisawa, Jun Yamaguchi +2 more | 2002-05-07 |