Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428229 | Armrest for positioning adjacent a keyboard | Hiroshi Udo, Akiko Udo | 2002-08-06 |
| D442968 | Armrest | Hiroshi Udo, Akiko Udo | 2001-05-29 |
| 6190072 | Armrest with arcuate edge for keyboard | Hiroshi Udo, Akiko Udo | 2001-02-20 |
| 6033021 | Chair having automatic adjustable cycle seat | Hiroshi Udo, Stephan Konz | 2000-03-07 |