Issued Patents All Time
Showing 76–85 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D579484 | Printer cartridge | Naoya Kamimura, Makoto Ishii, Yasushi Okabe | 2008-10-28 |
| 7412188 | Developer cartridge structured to have a predetermined distance between a first axis and a second axis | Makoto Ishii, Fumikazu Sato, Takashi Shimizu | 2008-08-12 |
| 7386253 | Photosensitive member cartridge, developer cartridge and process cartridge | Makoto Ishii, Takashi Shimizu | 2008-06-10 |
| D566169 | Toner cartridge | Satoru Ishikawa | 2008-04-08 |
| 7336913 | Developing apparatus, process cartridge and image forming apparatus for preventing leakage | Fumikazu Sato, Masahiro Ishii, Yukiko Nakaya, Hiroya Fukuta, Nao Itabashi +1 more | 2008-02-26 |
| D550767 | Toner cartridge | — | 2007-09-11 |
| D550765 | Toner cartridge | Satoru Ishikawa, Takeyuki Takagi | 2007-09-11 |
| D550764 | Toner cartridge | Satoru Ishikawa, Takeyuki Takagi | 2007-09-11 |
| 7248817 | Process cartridge and image forming apparatus | Satoru Ishikawa, Tsutomu Suzuki | 2007-07-24 |
| 7146121 | Process unit, photoconductive unit, developing unit, and image forming apparatus | Mitsuru Horinoe, Masahiro Ishii, Takeshi Fuwazaki, Satoru Ishikawa | 2006-12-05 |