Shigematsu; Hisao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shigematsu; Hisao.The latest application filed is for "compound semiconductor device, power supply device, high-frequency amplifier, and method for manufacturing compound semiconductor device".
- Shigematsu; Hisao - Zama JP
- Shigematsu; Hisao - Kawasaki JP
- Shigematsu, Hisao - Kawasaki-shi JP
| Patent | Date |
|---|---|
| Compound semiconductor device with quantum well structure, power supply device, and high-frequency amplifier Grant 10,651,305 - Kotani , et al. | 2020-05-12 |
| Compound Semiconductor Device, Power Supply Device, High-frequency Amplifier, And Method For Manufacturing Compound Semiconductor Device App 20190043976 - Kotani; Junji ; et al. | 2019-02-07 |
| Amplifier Grant 7,928,815 - Shigematsu April 19, 2 | 2011-04-19 |
| Distributed amplifier Grant 7,804,357 - Shigematsu September 28, 2 | 2010-09-28 |
| Analog circuit Grant 7,782,140 - Shigematsu August 24, 2 | 2010-08-24 |
| Analog Circuit App 20090009253 - SHIGEMATSU; Hisao | 2009-01-08 |
| Amplifier App 20080231367 - SHIGEMATSU; Hisao | 2008-09-25 |
| Oscillator circuit Grant 7,323,947 - Shigematsu January 29, 2 | 2008-01-29 |
| Semiconductor device and method for fabricating the same App 20060284213 - Shigematsu; Hisao ; et al. | 2006-12-21 |
| Distributed amplifier App 20060279360 - Shigematsu; Hisao | 2006-12-14 |
| Oscillator circuit App 20060033590 - Shigematsu; Hisao | 2006-02-16 |
| Multi-stage amplifier Grant 6,930,557 - Shigematsu August 16, 2 | 2005-08-16 |
| Cascode distributed amplifier Grant 6,864,750 - Shigematsu March 8, 2 | 2005-03-08 |
| Multi-stage amplifier App 20040085133 - Shigematsu, Hisao | 2004-05-06 |
| Fujitsu Limited App 20030011436 - Shigematsu, Hisao | 2003-01-16 |
| Distributed amplifier with terminating circuit capable of improving gain flatness at low frequencies Grant 6,472,941 - Shigematsu October 29, 2 | 2002-10-29 |
| Semiconductor device and method for fabricating the same App 20020090789 - Shigematsu, Hisao ; et al. | 2002-07-11 |
| Semiconductor device and method for fabricating the same Grant 6,399,971 - Shigematsu , et al. June 4, 2 | 2002-06-04 |
| Hbt Having A Carbon-doped Gaasbsb Base Contact Layer App 20020027232 - SHIGEMATSU, HISAO ; et al. | 2002-03-07 |
| Distributed amplifier with terminating circuit capable of improving gain flatness at low frequencies App 20020008583 - Shigematsu, Hisao | 2002-01-24 |
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