Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10331059 | Developing device and image forming apparatus having a toner concentration detector and a retaining member that retains the developer in the toner concentration detecting region | Masanori Kato | 2019-06-25 |
| 9829826 | Developing device and image forming apparatus | Masanori Kato, Yoshinori Tanaka | 2017-11-28 |
| 5963765 | Method and device for developing an electrostatic latent image based on toner amount and image formation system using the developing device | Kei Hirata, Ikutaroh Nagatsuka, Hiroo Soga | 1999-10-05 |