Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7424954 | Packing case and packing method for packing image forming apparatus, and image forming apparatus | Yoshinori Otsuka, Yoshiaki Sanada, Kouichi Mihara | 2008-09-16 |
| 7198155 | Packing case and packing method for packing image forming apparatus, and image forming apparatus | Yoshinori Otsuka, Yoshiaki Sanada, Kouichi Mihara | 2007-04-03 |
| D522565 | Toner cartridge | Yoshiaki Sanada, Masatoshi Kaneshige, Kohichi Mihara, Hisashi Kunihiro | 2006-06-06 |
| 6421517 | Toner supply device with rotatable agitating element | Toshio Nishino, Yasuyuki Ishiguro, Masatoshi Kaneshige, Hiroshi Tanisawa, Jun Yamaguchi +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 |