Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7545845 | Wireless communication system, wireless transmitter, wireless receiver, wireless communication method, wireless transmission method and wireless reception method | Kenji Suzuki, Mamoru Ugajin | 2009-06-09 |
| 7430233 | Spread-spectrum demodulator | Kenji Suzuki, Mamoru Ugajin | 2008-09-30 |
| 6871057 | Mixer circuit | Mamoru Ugajin | 2005-03-22 |
| 6759912 | Phase locked loop | Akihiro Yamagishi | 2004-07-06 |
| 6549074 | Transconductance amplifier, filter using the transconductance amplifier and tuning circuitry for transconductance amplifier in the filter | Mamoru Ugajin | 2003-04-15 |
| 6516186 | Image-rejection receiver | Akihiro Yamagishi, Mitsuru Harada | 2003-02-04 |
| 6369633 | Quadrature signal generation system | — | 2002-04-09 |
| 6239645 | Complementary tuned mixer | Mitsuru Harada | 2001-05-29 |
| 5714896 | Fractional-N frequency divider system | Tadao Nakagawa, Masao Suzuki, Tsutomu Kamoto | 1998-02-03 |