Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5754172 | Information display method | Ichiro Kubota | 1998-05-19 |
| D388095 | Media unit | Yoshiaki Kumagai | 1997-12-23 |
| D385562 | Media unit | Yoshiaki Kumagai | 1997-10-28 |
| D368473 | Communication device | Yoshiaki Kumagai | 1996-04-02 |