Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6463223 | Electrophotographic image forming apparatus, process cartridge developing device, developer supply container and measuring part therefor | Toshiyuki Karakama, Shirou Sakata, Hideki Matsumoto | 2002-10-08 |