Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10739476 | Seismic sensor and earthquake determination method | Naotsugu Ueda, Hiroyuki Mino | 2020-08-11 |
| 7027357 | Acoustic communication device and acoustic signal communication method | Jun Fujiwara | 2006-04-11 |