Takao Atsumo

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Switchable high pass filter/low pass filter phase shifter having a...
- Patent number 7,928,817
- Issue date Apr 19, 2011
- Renesas Electronics Corporation
- Takao Atsumo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Phase shifter including a resonant type switch with a free region
- Patent number 7,812,689
- Issue date Oct 12, 2010
- NEC Electronics Corporation
- Takao Atsumo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Phase shifter having components which suppress fluctuations in the...
- Patent number 7,719,386
- Issue date May 18, 2010
- NEC Electronics Corporation
- Takao Atsumo
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor device and method of manufacturing the same
- Publication number 20100133652
- Publication date Jun 3, 2010
- NEC Electronics Corporation
- Takao Atsumo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device
- Publication number 20090140825
- Publication date Jun 4, 2009
- NEC Electronics Corporation
- Takao Atsumo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Switch cicuit and phase shifter
- Publication number 20090051464
- Publication date Feb 26, 2009
- NEC Electronics Corporation
- Takao Atsumo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PHASE SHIFTER
- Publication number 20080100399
- Publication date May 1, 2008
- NEC ELECTRONICS CORPORATION
- Takao ATSUMO
- H03 - BASIC ELECTRONIC CIRCUITRY