Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7415255 | Scanning receiver | Nobuaki Yokoyama, Kazuo Kawai | 2008-08-19 |
| 6968165 | Frequency scanning receiver permitting quick PPL setting | Sadanori Shitara, Nobuaki Yokoyama | 2005-11-22 |