Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7991897 | Communication management system for performance data | Satoru Umezawa | 2011-08-02 |
| 7188005 | Vehicle capable of auditorily informing its state and method for auditorily informing state of vehicle | Nobukazu Toba, Kiyohisa Sugii, Yukio Tada, Osamu Maeda, Akihiro Yoshizawa | 2007-03-06 |
| 6933838 | Informing sound generation method and apparatus for vehicle | Kiyoshi Yamaki | 2005-08-23 |