Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6628910 | Toner cartridge for image forming apparatus | Hiroshi Tanisawa, Hisashi Kunihiro, Takeshi Wakabayashi, Hiroshi Kawahito, Hideaki Hagihara | 2003-09-30 |
| 6546216 | Toner supplying unit for a developing apparatus | Kiyoshi Morimoto, Arihiro Tsunoda, Hisashi Kunihiro, Takeshi Wakabayashi, Hiroshi Tanizawa | 2003-04-08 |
| 6510300 | Toner cartridge with mixed toner delivery apparatus | Hiroshi Kubota, Takeshi Wakabayashi, Hisashi Kunihiro, Takahiko Kimura | 2003-01-21 |
| D468763 | Sensitive drum cartridge for an image forming apparatus | Hisashi Kunihiro, Hiroshi Tanisawa, Takeshi Wakabayashi, Hiroshi Kawahito, Hiroshi Kubota | 2003-01-14 |