Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8973759 | Sieving device, sieving device for developing device, and powder-charging device | Hideo Ichikawa, Kaori Ozeki, Tatsushi Umayahara, Takashi Ono, Masayoshi Suzuki +8 more | 2015-03-10 |
| 8668091 | Air classifier | Nobuyasu Makino, Fumitoshi Murakami | 2014-03-11 |