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Masahiro Yahagi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Mobile communications system and control method thereof
Patent number
8,369,855
Issue date
Feb 5, 2013
NEC Corporation
Masahiro Yahagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High voltage capacitor and magnetron
Patent number
5,544,002
Issue date
Aug 6, 1996
TDK Corporation
Shouichi Iwaya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductive ceramic composition
Patent number
4,889,837
Issue date
Dec 26, 1989
TDK Corporation
Shuichi Ono
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Semiconductive ceramic composition
Patent number
4,861,736
Issue date
Aug 29, 1989
TDK Corporation
Shuichi Ono
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Semiconductive ceramic composition and semiconductive ceramic capac...
Patent number
4,854,936
Issue date
Aug 8, 1989
TDK Corporation
Shuichi Ono
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Semiconductive ceramic composition and semiconductor ceramic capacitor
Patent number
4,799,127
Issue date
Jan 17, 1989
TDK Corporation
Shuichi Ono
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES