Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659908 | Air mat and method for manufacturing the mat | — | 1997-08-26 |
| 5659859 | Developer agitating/conveying device | Shinji Kikuta, Tsutomu Nagata, Motoyuki Fukuda, Mitsuhiro Kashihara, Akihiko Ichiba | 1997-08-19 |