Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11070352 | CDR circuit and receiver of multilevel modulation method | Nobuaki Kawasoe, Yoshiharu Yoshizawa | 2021-07-20 |
| 10944601 | Reception circuit, receiver, and reception control method | — | 2021-03-09 |
| 10890822 | Mach-zehnder optical modulator | Shigeki Kawaai, Hirotomo Izumi | 2021-01-12 |
| 10284302 | Optical transmitter | Shigeki Kawaai, Yoshiharu Yoshizawa, Daisuke Usui | 2019-05-07 |
| 9680667 | Adaptive equalization circuit, digital coherent receiver, and adaptive equalization method | Daisuke Sasaki, Kazuhiko Hatae, Tomoki Katou, Nobukazu Koizumi, Masato Oota +2 more | 2017-06-13 |
| 9660733 | Signal processing apparatus, signal processing method, and signal processing system | Masashi Sato, Kazuhiko Hatae, Tomoki Katou, Nobukazu Koizumi, Masato Oota +2 more | 2017-05-23 |
| 9496966 | Optical communication receiving device and frequency offset compensation method | Kazuhiko Hatae, Nobukazu Koizumi, Koji Nakamuta, Tomoki Katou, Masashi Sato +1 more | 2016-11-15 |
| 9401765 | Frequency offset estimation circuit and frequency offset estimation method | Nobuaki Kawasoe, Kazuhiko Hatae | 2016-07-26 |
| 9374170 | Optical receiving device | Masato Oota, Tomoki Katou, Kazuhiko Hatae, Hisao Nakashima | 2016-06-21 |
| 9143239 | Signal processing device, signal processing method, and communication device | — | 2015-09-22 |
| 8283887 | Portable device | Katsuya Suzuki, Kuniharu Suzuki, Hiroshi Kato, Mikio Takenaka, Yuto Takagi | 2012-10-09 |
| 8254472 | Communication device and communication system | Noboru Morita, Michio Hibi | 2012-08-28 |
| 8194727 | Equalizer characteristics optimizing method and transmission system | Masaki Tosaka | 2012-06-05 |
| 8159182 | Contactless power transferring coil unit, mobile terminal, power transmitting apparatus, and contactless power transferring system | Hiroshi Kato, Kuniharu Suzuki, Katsuya Suzuki, Kota Onishi, Kentaro Yoda +4 more | 2012-04-17 |
| 8160654 | Power reception control device, power reception device, and electronic instrument | Kota Onishi, Kentaro Yoda, Takahiro Kamijo, Haruhiko Sogabe, Kuniharu Suzuki +2 more | 2012-04-17 |
| 8111041 | Power transmission control device, power reception control device, non-contact power transmission system, power transmission device, power reception device, and electronic instrument | Kota Onishi, Kentaro Yoda, Haruhiko Sogabe, Takahiro Kamijo, Kuniharu Suzuki +2 more | 2012-02-07 |
| 8089245 | Noncontact charging device with temperature detection | Hiroshi Kato, Kuniharu Suzuki, Katsuya Suzuki, Yoichiro Kondo, Kota Onishi +4 more | 2012-01-03 |
| 8072304 | Noncontact power-transmission coil, portable terminal and terminal charging device, planar coil magnetic layer formation device, and magnetic layer formation method | Hiroshi Kato, Kuniharu Suzuki, Katsuya Suzuki, Yoichiro Kondo, Kota Onishi +4 more | 2011-12-06 |
| 8064825 | Power reception control device, power transmission control device, non-contact power transmission system, power reception device, power transmission device, and electronic instrument | Kota Onishi, Kentaro Yoda, Takahiro Kamijo, Mikimoto Jin, Haruhiko Sogabe +4 more | 2011-11-22 |
| 8054036 | Power transmission control device, power reception control device, non-contact power transmission system, power transmission device, power reception device, and electronic instrument | Kota Onishi, Kentaro Yoda, Takahiro Kamijo, Haruhiko Sogabe, Kuniharu Suzuki +2 more | 2011-11-08 |
| 8045704 | Electronic apparatus and jig system | Tetsuo Okazaki, Shinichi Kido, Kazuhiro Nakashima | 2011-10-25 |
| 8024018 | Electronic apparatus | Makoto Shibuya | 2011-09-20 |
| 7999417 | Electronic device | Hiroshi Kato, Kuniharu Suzuki, Katsuya Suzuki, Kota Onishi, Kentaro Yoda | 2011-08-16 |
| 7957210 | Variable delay circuit, memory control circuit, delay amount setting apparatus, delay amount setting method and computer-readable recording medium in which delay amount setting program is recorded | — | 2011-06-07 |
| 7917086 | Charger, electronic instrument, and charging system | Yoichiro Kondo, Kuniharu Suzuki, Hiroshi Kato, Katsuya Suzuki | 2011-03-29 |