Takefumi Terawaki

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Tottori-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Non-reciprocal circuit device
- Patent number 7,626,471
- Issue date Dec 1, 2009
- Hitachi Metals, Ltd.
- Yasushi Kishimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-reciprocal circuit device
- Patent number 7,522,013
- Issue date Apr 21, 2009
- Hitachi Metals, Ltd.
- Yasushi Kishimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-reciprocal circuit device
- Patent number 7,382,211
- Issue date Jun 3, 2008
- Hitachi Metals, Ltd.
- Yasushi Kishimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-reciprocal circuit device
- Patent number 6,844,790
- Issue date Jan 18, 2005
- Hitachi Metals, Ltd.
- Shinji Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
TWO-PORT ISOLATOR
- Publication number 20090219106
- Publication date Sep 3, 2009
- Hitachi Metals, Ltd.
- Takefumi Terawaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NON-RECIPROCAL CIRCUIT DEVICE
- Publication number 20090045884
- Publication date Feb 19, 2009
- Hitachi Metals, Ltd.
- Yasushi Kishimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Non-Reciprocal Circuit Device
- Publication number 20080001682
- Publication date Jan 3, 2008
- Yasushi Kishimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Non-reciprocal circuit device
- Publication number 20060028286
- Publication date Feb 9, 2006
- HITACHI METALS, LTD
- Yasushi Kishimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Non-reciprocal circuit device
- Publication number 20040021524
- Publication date Feb 5, 2004
- Shinji Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS