Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6449370 | Digital electro-acoustic transducer | Yasuhiro Riko | 2002-09-10 |
| 6442194 | Digital telephone transmitter/receiver | Yasuhiro Riko | 2002-08-27 |
YY
Yoshinobu Yasuno
Unknown: 2 patents #88 of 2,778Top 4%
Overall (2002): #33,939 of 266,432Top 15%
2
Patents 2002