Takagi; Tadashi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Takagi; Tadashi.The latest application filed is for "radio communication system".
- Takagi; Tadashi - Miyagi JP
- Takagi; Tadashi - Tokyo JP
- Takagi, Tadashi - Hyogo JP
- Takagi; Tadashi - Kamakura JP
- Takagi; Tadashi - Kanagawa JP
| Patent | Date |
|---|---|
| Radio communication system Grant 8,311,146 - Fujimura , et al. November 13, 2 | 2012-11-13 |
| Switch circuit Grant 7,675,383 - Hangai , et al. March 9, 2 | 2010-03-09 |
| Radio Communication System App 20100054357 - Fujimura; Akinori ; et al. | 2010-03-04 |
| Phase-shifting circuit and multibit phase shifter Grant 7,541,894 - Miyaguchi , et al. June 2, 2 | 2009-06-02 |
| Phase shift circuit, high frequency switch, and phase shifter Grant 7,495,529 - Miyaguchi , et al. February 24, 2 | 2009-02-24 |
| Switch Circuit App 20080136557 - Hangai; Masatake ; et al. | 2008-06-12 |
| Phase-shifting circuit and multibit phase shifter App 20070273456 - Miyaguchi; Kenichi ; et al. | 2007-11-29 |
| Phase shift circuit, high frequency switch, and phase shifter App 20070188264 - Miyaguchi; Kenichi ; et al. | 2007-08-16 |
| High efficiency amplifier App 20070164818 - Horiguchi; Kenichi ; et al. | 2007-07-19 |
| Phase shift circuit and phase shifter Grant 7,167,064 - Miyaguchi , et al. January 23, 2 | 2007-01-23 |
| Phase shifter and multibit phase shifter Grant 7,123,116 - Hieda , et al. October 17, 2 | 2006-10-17 |
| Multi-layer substrate module and wireless terminal device App 20050179136 - Katsura, Takatoshi ; et al. | 2005-08-18 |
| Multilayer substrate module and portable wireless terminal Grant 6,906,411 - Katsura , et al. June 14, 2 | 2005-06-14 |
| High-frequency semiconductor device Grant 6,861,906 - Mori , et al. March 1, 2 | 2005-03-01 |
| High frequency amplifier and frequency mixer Grant 6,784,743 - Taniguchi , et al. August 31, 2 | 2004-08-31 |
| Phase shifter and multibit phase shifter App 20040145429 - Hieda, Morishige ; et al. | 2004-07-29 |
| High-frequency amplifier Grant 6,750,720 - Mori , et al. June 15, 2 | 2004-06-15 |
| Phase shift circuit and pahse shifter App 20040085112 - Miyaguchi, Kenichi ; et al. | 2004-05-06 |
| Phase shifter and multibit phase shifter Grant 6,674,341 - Hieda , et al. January 6, 2 | 2004-01-06 |
| Phase shifter and multibit phase shifter App 20030020563 - Hieda, Morishige ; et al. | 2003-01-30 |
| High-frequency semiconductor device App 20030011435 - Mori, Kazutomi ; et al. | 2003-01-16 |
| High-frequency amplifier and high-frequency mixer App 20030001677 - Taniguchi, Eiji ; et al. | 2003-01-02 |
| High-frequency amplifier and high-frequency multistage amplifier Grant 6,462,622 - Mori , et al. October 8, 2 | 2002-10-08 |
| Semiconductor circuitry Grant 6,329,864 - Suematsu , et al. December 11, 2 | 2001-12-11 |
| Semiconductor circuitry App 20010005151 - Suematsu, Noriharu ; et al. | 2001-06-28 |
| Feedforward amplifier with improved characteristics without using pilot signal Grant 6,133,791 - Horiguchi , et al. October 17, 2 | 2000-10-17 |
| Microwave power amplifier Grant 5,889,434 - Shimura , et al. March 30, 1 | 1999-03-30 |
| Semiconductor amplifier Grant 5,270,668 - Ikeda , et al. December 14, 1 | 1993-12-14 |
| Low-distortion radio-frequency amplifying apparatus Grant 5,151,664 - Suematsu , et al. September 29, 1 | 1992-09-29 |
| Amplifier circuit with correction of amplitude and phase distortions Grant 5,142,240 - Isota , et al. August 25, 1 | 1992-08-25 |
| Linear amplifier Grant 5,101,172 - Ikeda , et al. March 31, 1 | 1992-03-31 |
| Modulation device with input signal modification for correction of amplifier nonlinearities Grant 5,093,637 - Isota , et al. March 3, 1 | 1992-03-03 |
| Field effect transistor amplifier Grant 5,089,790 - Mochizuki , et al. February 18, 1 | 1992-02-18 |
| Compensating circuit for a high frequency amplifier Grant 5,043,673 - Suematsu , et al. August 27, 1 | 1991-08-27 |
| Power distribution circuit having center portions of isolation resistors connected together Grant 4,639,694 - Seino , et al. January 27, 1 | 1987-01-27 |
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