Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7580660 | Developing roller, process for producing developing roller, process cartridge and image forming apparatus | Tadashi Sato, Yosuke Ata, Saki Tominaga | 2009-08-25 |
| 6630277 | Toner production system | Takeshi Naka, Kiyoshi Kanai, Tsuneo Nakanishi | 2003-10-07 |
| 5839670 | Pneumatic impact pulverizer, fine powder production apparatus, and toner production process | Kazuhiko Omata, Hitoshi Kanda, Satoshi Mitsumura, Kazuyuki Miyano | 1998-11-24 |
| 5577670 | Pneumatic impact pulverizer system | Kazuhiko Omata, Hitoshi Kanda, Satoshi Mitsumura, Kazuyuki Miyano | 1996-11-26 |