Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D464079 | Toner cartridge | Jun Yamaguchi, Tsutomu Nagata, Yoshiaki Sanada, Takahiko Kimura | 2002-10-08 |
| D462713 | Developing unit for an image forming apparatus | Jun Yamaguchi, Tsutomu Nagata, 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 |
| 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 |