Igarashi; Sadao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Igarashi; Sadao.The latest application filed is for "transfer gate circuit and power combining circuit, power amplifying circuit, transmission device, and communication device using the transfer gate circuit".
- Igarashi; Sadao - Kawasaki-shi JP
- Igarashi; Sadao - Kanagawa JP
- Igarashi; Sadao - Kawasaki JP
- Igarashi; Sadao - Fukushima-ken JP
- Igarashi; Sadao - Souma JP
- Igarashi; Sadao - Soma JP
- Igarashi; Sadao - Tokyo JA
- Igarashi; Sadao - Yukigaya-cho Ohta-ku JA
| Patent | Date |
|---|---|
| Transfer Gate Circuit and Power Combining Circuit, Power Amplifying Circuit, Transmission Device, and Communication Device Using the Transfer Gate Circuit App 20120270512 - Nagayama; Akira ; et al. | 2012-10-25 |
| Detector Device, and Amplification Device, Transmission Device, and Communication Device Using the Detector Device App 20120149315 - Nagayama; Akira ; et al. | 2012-06-14 |
| Optical coupled type isolation circuit Grant 7,369,067 - Kishi , et al. May 6, 2 | 2008-05-06 |
| Optical coupled type isolation circuit App 20060279438 - Kishi; Motoharu ; et al. | 2006-12-14 |
| Transceiver apparatus Grant 6,980,776 - Shimada , et al. December 27, 2 | 2005-12-27 |
| Transceiver apparatus App 20030124987 - Shimada, Yoshikazu ; et al. | 2003-07-03 |
| Receiver integrated circuit for mobile telephone Grant 6,236,848 - Igarashi , et al. May 22, 2 | 2001-05-22 |
| Amplifier circuit having common AGC to IF and RF amplifiers for use in a transmitter Grant 5,926,749 - Igarashi , et al. July 20, 1 | 1999-07-20 |
| AGC voltage correction circuit Grant 5,900,782 - Igarashi , et al. May 4, 1 | 1999-05-04 |
| Mixer circuit Grant 5,329,189 - Ushida , et al. July 12, 1 | 1994-07-12 |
| 2-stage differential amplifier connected in cascade Grant 5,057,788 - Ushida , et al. October 15, 1 | 1991-10-15 |
| Microwave separator Grant 4,799,033 - Igarashi , et al. January 17, 1 | 1989-01-17 |
| Microwave band-pass filter Grant 4,761,624 - Igarashi , et al. August 2, 1 | 1988-08-02 |
| Waveguide-microstrip line converter Grant 4,725,793 - Igarashi February 16, 1 | 1988-02-16 |
| Waveguide filter Grant 4,725,798 - Igarashi February 16, 1 | 1988-02-16 |
| Waveguide-microstrip line converter Grant 4,716,387 - Igarashi December 29, 1 | 1987-12-29 |
| Waveguide filter Grant 4,701,728 - Igarashi October 20, 1 | 1987-10-20 |
| Microwave circuit apparatus Grant 4,504,796 - Igarashi March 12, 1 | 1985-03-12 |
| Phase-locked loop oscillator circuit utilizing a sub-loop with a second phase comparator Grant 4,426,627 - Yoshisato , et al. January 17, 1 | 1984-01-17 |
| Phase locked loop with means for preventing locking at undesired frequencies Grant 4,152,669 - Igarashi May 1, 1 | 1979-05-01 |
| Double-tuned Circuit Device Grant 3,820,045 - Igarashi June 25, 1 | 1974-06-25 |
| Printed Circuit Resistor Grant 3,761,860 - Ogasawara , et al. September 25, 1 | 1973-09-25 |
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