Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7242728 | Quadrature modulator carrier quadrature error detection method and quadrature modulation device | — | 2007-07-10 |
| 7068983 | Method for detecting quadrature modulator carrier leak adjusting point by geometrical analysis/calculation method, carrier leak adjusting method, and quadrature modulation apparatus | Masahiro Tsuchiya | 2006-06-27 |