Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D464079 | Toner cartridge | Naotaka Funayama, Jun Yamaguchi, Yoshiaki Sanada, Takahiko Kimura | 2002-10-08 |
| D462713 | Developing unit for an image forming apparatus | Naotaka Funayama, Jun Yamaguchi, Yoshiaki Sanada, Takahiko Kimura | 2002-09-10 |
| 6421517 | Toner supply device with rotatable agitating element | Toshio Nishino, Yasuyuki Ishiguro, Masatoshi Kaneshige, Hiroshi Tanisawa, Haruko Yoneda +4 more | 2002-07-16 |
| 6415126 | Developing unit with agitator and conveying sheet for toner | Masatoshi Kaneshige, Yasuyuki Ishiguro, Toshio Nishino, 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, Masatoshi Kaneshige, Toshio Nishino, Hiroshi Tanisawa, Jun Yamaguchi +2 more | 2002-05-07 |
| 6360066 | Developing apparatus having stirring shafts with elliptic stirring vanes | Hiroshi Kawahito, Keiji Kato, Toshio Nishino, Yasuyuki Ishiguro, Jun Yamaguchi | 2002-03-19 |
| 6347207 | Developing unit and toner replenishing device with conveying apparatus | Yasuyuki Ishiguro, Toshio Nishino, Hiroshi Tanisawa, Yoshinori Otsuka, Jun Yamaguchi +2 more | 2002-02-12 |