Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8618479 | Magnifying observation apparatus | — | 2013-12-31 |
| 5722002 | Latent electrostatic image developing device having a toner concentration detector | Shinji Kikuta, Tsutomu Nagata, Akihiko Ichiba, Kazuhito Takaoka, Hiroshi Kubota | 1998-02-24 |
| 5659859 | Developer agitating/conveying device | Shinji Kikuta, Toshio Nishino, Tsutomu Nagata, Motoyuki Fukuda, Akihiko Ichiba | 1997-08-19 |