Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6421517 | Toner supply device with rotatable agitating element | Yasuyuki Ishiguro, Masatoshi Kaneshige, Hiroshi Tanisawa, Haruko Yoneda, Jun Yamaguchi +4 more | 2002-07-16 |
| 6415126 | Developing unit with agitator and conveying sheet for toner | Masatoshi Kaneshige, Yasuyuki Ishiguro, 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, Masatoshi Kaneshige, Hiroshi Tanisawa, Jun Yamaguchi +2 more | 2002-05-07 |
| 6360066 | Developing apparatus having stirring shafts with elliptic stirring vanes | Hiroshi Kawahito, Keiji Kato, Yasuyuki Ishiguro, Jun Yamaguchi, Tsutomu Nagata | 2002-03-19 |
| 6347207 | Developing unit and toner replenishing device with conveying apparatus | Yasuyuki Ishiguro, Hiroshi Tanisawa, Yoshinori Otsuka, Jun Yamaguchi, Tsutomu Nagata +2 more | 2002-02-12 |