Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8160471 | Developer supply container | Ayatomo Okino, Toshiaki Nagashima | 2012-04-17 |
| 7836921 | Powder filling apparatus, powder filling method and process cartridge | Tetsuo Isomura, Masashi Koseki, Kei Jomen, Yutaka Ban | 2010-11-23 |
| D615584 | Toner supplying cartridge | Takashi Nakanishi, Kenta Koyama, Hiroaki Ohashi, Yusuke Yamada | 2010-05-11 |
| D529948 | Developer supplying container | Yusuke Yamada | 2006-10-10 |