Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409971 | Packing member, toner container, and packing method | Shuntaroh Tamaki, Seiji Terazawa, Yosio Sano, Tatsuya Kubo | 2025-09-09 |
| 11320765 | Powder container, powder supply device, and image forming apparatus having large diameter and small diameter portions | Yuuta Tanaka, Seiji Terazawa | 2022-05-03 |
| 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 |