Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466759 | Developing device, process cartridge with developer blocking member, and electrophotographic image forming apparatus using the same | — | 2002-10-15 |
| 6463223 | Electrophotographic image forming apparatus, process cartridge developing device, developer supply container and measuring part therefor | Toshiyuki Karakama, Shirou Sakata, Akiyoshi Yokoi | 2002-10-08 |
| 6463225 | Developing apparatus, process cartridge, feeding member and an elastic sheet | Daisuke Abe | 2002-10-08 |
| 6408143 | Electrophotographic image forming apparatus | Kazushige Sakurai, Kazushi Watanabe, Toshiyuki Karakama | 2002-06-18 |
| 6397018 | Developer amount detecting method, developing device, process cartridge and electrophotographic image forming apparatus | Kazushige Sakurai, Isao Ikemoto, Kazushi Watanabe, Toshiyuki Karakama | 2002-05-28 |
| 6397017 | Developer amount detecting method, developing device, process cartridge and electrophotographic image forming apparatus | Hiroaki Sakai, Kazushi Watanabe, Toshiyuki Karakama, Masaru Shimura, Seiji Saito | 2002-05-28 |
| 6370348 | Developing apparatus including intermittent developer agitating feature, and image forming apparatus using same | Keiji Okano, Koichi Suwa, Masahiro Yoshida | 2002-04-09 |
| 6343193 | Process cartridge and image forming apparatus including a developer remaining amount detecting member | Keiji Okano, Seiji Yamaguchi | 2002-01-29 |
| 6340031 | Check valve for refueling pipe of fuel tank | Hiroshi Kitamura, Masaaki Horiuchi | 2002-01-22 |