Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7230834 | Electronic equipment | Katsushi Kawasaki, Ken Igarashi, Nobumitsu Kasahara | 2007-06-12 |
| 6678165 | Electronic equipment | Katsushi Kawasaki, Ken Igarashi, Nobumitsu Kasahara | 2004-01-13 |