Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9213274 | Grinding roller, fixing device, and image forming apparatus | Kazuhiro Kotaka, Eiri Sagae, Satoshi Kai, Yoshihisa Hara | 2015-12-15 |
| 9098016 | Roller, developing roller, developing device, process cartridge, and image forming apparatus | Yuki Moro, Noriyuki Kamiya, Hiroya Abe, Masashi Nakayama, Soichiro Fukutomi +2 more | 2015-08-04 |
| 7886798 | Expanding method and expanding device | Yuichi Kubo, Masateru Osada, Masayuki Azuma, Yasuyuki Sakaya, Tomohiro Tamaki | 2011-02-15 |
| 7887665 | Expanding method and expanding device | Yuichi Kubo, Masateru Osada, Masayuki Azuma, Yasuyuki Sakaya, Tomohiro Tamaki | 2011-02-15 |