Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580541 | System and method for transmitting information for amphibious traveling vehicle and system for controlling operation of the vehicle | Katsumi Yamashita | 2003-06-17 |
| 6058848 | Underwater and land travel system | Hiroshi Futami | 2000-05-09 |
| 5775226 | Underwater and land travel vehicle | Hiroshi Futami | 1998-07-07 |