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Youichi Ara
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Tokyo, JP
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last 30 patents
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Patent Grant
High-frequency device using switch having movable parts, and method...
Patent number
6,777,771
Issue date
Aug 17, 2004
NEC Corporation
Tsunehisa Marumoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Micromachine switch and its production method
Patent number
6,566,617
Issue date
May 20, 2003
NEC Corporation
Kenichiro Suzuki
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Phased array antenna and method of manufacturing the same
Patent number
6,559,798
Issue date
May 6, 2003
NEC Corporation
Tsunehisa Marumoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Phased array antenna and its manufacturing method
Patent number
6,556,168
Issue date
Apr 29, 2003
NEC Corporation
Tsunehisa Marumoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Phased array antenna and method of manufacturing method
Patent number
6,535,168
Issue date
Mar 18, 2003
NEC Corporation
Tsunehisa Marumoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Phased-array antenna apparatus
Patent number
6,492,943
Issue date
Dec 10, 2002
NEC Corporation
Tsunehisa Marumoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Phased-array antenna apparatus
Patent number
6,232,919
Issue date
May 15, 2001
NEC Corporation
Tsunehisa Marumoto
H01 - BASIC ELECTRIC ELEMENTS