Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10644913 | Carrier leakage correction method for quadrature modulator | Yousuke Hagiwara, Mitsuyuki Ashida, Yuki Fujimura, Ichiro Seto | 2020-05-05 |
| 10593405 | Read process in a semiconductor memory device including a memory cell transistor | Ryuichi Fujimoto, Kan Shimizu, Motoki NAGATA, Yumi Takada, Hitoshi Shiga +1 more | 2020-03-17 |
| 10419136 | Communication device and orthogonal error measurement method for communication device | Yousuke Hagiwara, Yuki Fujimura, Hiroyuki Kobayashi, Ichiro Seto | 2019-09-17 |
| 10225118 | Carrier leakage correction method for quadrature modulator | Yousuke Hagiwara, Mitsuyuki Ashida, Yuki Fujimura, Ichiro Seto | 2019-03-05 |
| 10069670 | Transmission and reception circuit, transceiver, and method of correcting time difference of signal | Yousuke Hagiwara, Toshiyuki Yamagishi, Hiroshi Yoshida, Ichiro Seto | 2018-09-04 |
| 9294044 | Bias circuit and amplifier | Shusuke KAWAI, Masahiro Hosoya, Tong Wang, Toshiya Mitomo, Tetsuro Itakura | 2016-03-22 |
| 9224795 | Semiconductor device with conductive pillar unit between shield and silicon substrate | Shusuke KAWAI, Toshiya Mitomo, Tetsuro Itakura | 2015-12-29 |
| 9214824 | Charging control circuit | Hiroshi Masumoto | 2015-12-15 |
| 9124216 | Power amplifier and transmitter | Kohei Onizuka | 2015-09-01 |
| 8907723 | Power amplifier and power transmission apparatus | Kohei Onizuka | 2014-12-09 |
| 8022764 | Differential amplifier | — | 2011-09-20 |
| 7865163 | Time constant automatic adjusting circuit, filter circuit system, and method of automatically adjusting time constant | Osamu Watanabe, Rui Ito, Tetsuro Itakura | 2011-01-04 |
| 7583948 | Time constant automatic adjusting circuit, filter circuit system, and method of automatically adjusting time constant | Osamu Watanabe, Rui Ito, Tetsuro Itakura | 2009-09-01 |