Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7289748 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Masumi Sato, Kazuhiko Yuuki, Akio Kosuge, Yoshinori Ozawa +4 more | 2007-10-30 |
| 7218880 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Masumi Sato, Kazuhiko Yuuki, Akio Kosuge, Yoshinori Ozawa +4 more | 2007-05-15 |
| 6748190 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Masumi Sato, Kazuhiko Yuuki, Akio Kosuge, Yoshinori Ozawa +4 more | 2004-06-08 |
| 6567637 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Masumi Sato, Kazuhiko Yuuki, Akio Kosuge, Yoshinori Ozawa +4 more | 2003-05-20 |