Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11949394 | Phase shifter and antenna device | Wataru Yamamoto, Koji Tsutsumi | 2024-04-02 |
| 11929539 | Directional coupler and semiconductor chip | Takanobu FUJIWARA, Tatsuya Hagiwara | 2024-03-12 |
| 11929723 | Phase-variable frequency multiplier and antenna device | Wataru Yamamoto, Koji Tsutsumi, Sho IKEDA | 2024-03-12 |
| 11879917 | Phase detector | Akihito Hirai | 2024-01-23 |
| 11870447 | Phase synchronization device | Sho IKEDA, Akihito Hirai, Koji Tsutsumi | 2024-01-09 |
| 11757454 | Delay synchronization circuit, clock transmission circuit, and clock transmission and reception circuit | Sho IKEDA, Koji Tsutsumi | 2023-09-12 |
| 11463047 | Mixer | Shinya YOKOMIZO, Takanobu FUJIWARA, Mitsuhiro Shimozawa, Akihito Hirai | 2022-10-04 |
| 11451208 | Switching circuit and variable attenuator | Kengo KAWASAKI, Mitsuhiro Shimozawa | 2022-09-20 |
| 11435702 | Time-to-digital converter | Yoshiaki MORINO | 2022-09-06 |
| 11277036 | Rectenna controller and rectenna apparatus including the same | Takayuki Morioka, Yasutoshi Yashiki, Hidetada Tokioka, Toshiyuki Tanaka, Yukihiro Homma +1 more | 2022-03-15 |
| 11245166 | High frequency mixer | — | 2022-02-08 |
| 11211919 | Polyphase filter | — | 2021-12-28 |
| 11171657 | Phase and amplitude controlled oscillation device | — | 2021-11-09 |
| 11152915 | Polyphase filter | — | 2021-10-19 |
| 10903696 | Rectifier and rectenna device | Toshiyuki Tanaka, Jun Shimokawatoko, Atsushi Yamamoto, Yukihiro Homma | 2021-01-26 |
| 10811991 | High frequency rectifier | Eiji Taniguchi | 2020-10-20 |
| 10512153 | High frequency circuit | Hidenori Ishibashi, Kiyoshi Ishida, Eigo Kuwata, Yukinobu Tarui, Hideharu YOSHIOKA +1 more | 2019-12-17 |
| 8018290 | Oscillator, transmitter-receiver and frequency synthesizer | Hiroyuki Mizutani, Kazuhiro Nishida, Kenji Kawakami, Morishige Hieda, Moriyasu Miyazaki | 2011-09-13 |
| 7675383 | Switch circuit | Masatake Hangai, Tamotsu Nishino, Shinnosuke Soda, Kenichi Miyaguchi, Kenji Kawakami +3 more | 2010-03-09 |
| 7675376 | Voltage-controlled oscillator | Kenji Kawakami, Kenichi Tajima, Moriyasu Miyazaki, Kazuhiro Miyamoto, Masafumi Nakane | 2010-03-09 |