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Tomonari YAMAGATA
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Kanagawa, JP
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Patents Grants
last 30 patents
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Patent Grant
Communication apparatus, communication system, communication method...
Patent number
8,620,209
Issue date
Dec 31, 2013
Sony Corporation
Nobuo Namekawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communications system and wireless communications device
Patent number
8,619,666
Issue date
Dec 31, 2013
Sony Corporation
Fumihiro Nishiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication apparatus, communication system, communication method...
Patent number
8,346,844
Issue date
Jan 1, 2013
Sony Corporation
Nobuo Namekawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio communication system, radio communication apparatus, radio co...
Patent number
7,639,661
Issue date
Dec 29, 2009
Sony Corporation
Hideki Iwami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication apparatus, wireless communication method, an...
Patent number
7,502,365
Issue date
Mar 10, 2009
Sony Corporation
Tomonari Yamagata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system, communication apparatus, communication method...
Patent number
7,373,135
Issue date
May 13, 2008
Sony Corporation
Shigeru Sugaya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Communication Apparatus, Communication System, Communication Method...
Publication number
20090311962
Publication date
Dec 17, 2009
Jun IWASAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication Apparatus, Communication System, Communication Method...
Publication number
20090290027
Publication date
Nov 26, 2009
Nobuo NAMEKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication Apparatus, Communication System, Communication Method...
Publication number
20090291639
Publication date
Nov 26, 2009
Nobuo NAMEKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless Communications System and Wireless Communications Device
Publication number
20080095089
Publication date
Apr 24, 2008
Fumihiro Nishiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless communication apparatus, wireless communication method, an...
Publication number
20060193274
Publication date
Aug 31, 2006
Tomonari Yamagata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio communication system, radio communication apparatus, radio co...
Publication number
20060165024
Publication date
Jul 27, 2006
SONY CORPORATION
Hideki Iwami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication system, communication apparatus, communication method...
Publication number
20040228311
Publication date
Nov 18, 2004
Shigeru Sugaya
H04 - ELECTRIC COMMUNICATION TECHNIQUE