Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996718 | Frequency converter circuit | — | 1991-02-26 |
| 4608713 | Frequency converter | Yoshikazu Yoshimura | 1986-08-26 |
YS
Yasufumi Shiomi
Overall (All Time): #2,314,769 of 4,157,543Top 60%
2
Patents All Time