Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11139782 | Amplification apparatus and transmission apparatus | Keiichi Yamaguchi, Yuuki Funahashi | 2021-10-05 |
| 11025211 | Amplification apparatus and transmission apparatus | Keiichi Yamaguchi, Yuuki Funahashi | 2021-06-01 |
| 10985704 | Amplifier circuit and transmitting device | Thomas Martin Hone, Keiichi Yamaguchi | 2021-04-20 |
| 10658983 | Amplifier and transmitter | Thomas Martin Hone, Keiichi Yamaguchi | 2020-05-19 |
| 10411654 | Amplifier and transmitter | Thomas Martin Hone, Keiichi Yamaguchi | 2019-09-10 |
| 9438187 | Amplifying device, transmitting device | Keiichi Yamaguchi | 2016-09-06 |
| 9306731 | Signal processing apparatus | Makoto Tanahashi, Yoshimasa Egashira, Keiichi Yamaguchi | 2016-04-05 |
| 8351875 | Distortion compensator, distortion compensation method, and transmitter | Takayuki Kato, Keiichi Yamaguchi | 2013-01-08 |
| 8237498 | Doherty amplifier system and transmitter using the same | Takayuki Kato, Keiichi Yamaguchi | 2012-08-07 |
| 8204454 | Distortion compensator apparatus, amplifier apparatus, transmitter, and method of compensating distortion | Keiichi Yamaguchi | 2012-06-19 |
| 7778354 | Communicating apparatus, method of calculating set value of orthogonal error compensation and orthogonal error compensation program | Keiichi Yamaguchi | 2010-08-17 |
| 7488211 | Terminal fitting and a shield terminal | — | 2009-02-10 |
| 7255581 | Lever-type connector | — | 2007-08-14 |
| 7104819 | Connector with easily mountable and efficiently operable lever | — | 2006-09-12 |
| 6971906 | Connector and a connector assembly | — | 2005-12-06 |
| 6786754 | Connector and a connector assembly | Yukinori Saka, Koji Okutani | 2004-09-07 |
| 6769929 | Connector and a connector assembly | Yukinori Saka, Koji Okutani | 2004-08-03 |
| 6722913 | Connector | Yukinori Saka, Koji Okutani | 2004-04-20 |
| 6688907 | Connector and a connector assembly | Yukinori Saka | 2004-02-10 |
| 6666710 | Connector and a connector assembly | Yukinori Saka, Koji Okutani | 2003-12-23 |
| 6638098 | Connection detecting connector | — | 2003-10-28 |
| 6572394 | Connector and use thereof | Yukinori Saka, Koji Okutani | 2003-06-03 |
| 6561833 | Connector and a method for assembling a connector | Yukinori Saka, Koji Okutani | 2003-05-13 |