Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7307473 | Distortion compensating and power amplifying apparatus | Tadanaga Hatsugai | 2007-12-11 |
| 7259621 | Distortion compensating device and power amplifying device with distortion compensating function | Katsuji Kawakami | 2007-08-21 |
| 7224221 | Power amplification apparatus, and mobile communication terminal apparatus | Tomoo Kobayashi, Masayuki Shimada | 2007-05-29 |
| 6993090 | Distortion compensation apparatus and distortion compensation method | — | 2006-01-31 |
| 6766151 | Distortion-compensating apparatus | — | 2004-07-20 |
| 6741127 | High-frequency amplifier circuit and radio communication apparatus using same | Noboru Sasho, Masayoshi Abe | 2004-05-25 |
| 6677821 | Distortion compensating apparatus | Katsuya Yamamoto | 2004-01-13 |
| 6556079 | Distortion compensating device and method for compensating distortion | — | 2003-04-29 |
| 6531917 | Non-linear distortion compensating apparatus | Katsuya Yamamoto | 2003-03-11 |
| 6480705 | Distortion compensation method and wireless communication apparatus | — | 2002-11-12 |
| 6466092 | Distortion compensation method and apparatus | — | 2002-10-15 |
| 6452447 | Adaptive distortion-compensation apparatus | — | 2002-09-17 |
| 6393259 | Amplifier circuit and transceiver | — | 2002-05-21 |
| 6201455 | Antenna switch circuit | — | 2001-03-13 |
| 5963089 | Semiconductor amplifying apparatus and communication terminal apparatus | — | 1999-10-05 |
| 5781071 | Transformers and amplifiers | — | 1998-07-14 |
| 5471656 | Communication apparatus utilizing high power amplifier | — | 1995-11-28 |
| 5408198 | Semiconductor power amplifier integrated circuit | — | 1995-04-18 |
| 5406151 | Semiconductor switching circuit | — | 1995-04-11 |