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Shuji Hirakawa
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Yokohama-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Data broadcasting system, receiving terminal device, contents provi...
Patent number
6,975,836
Issue date
Dec 13, 2005
Kabushiki Kaisha Toshiba
Shigeru Tashiro
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System, transmitter and receiver for code division multiplex transm...
Patent number
6,791,955
Issue date
Sep 14, 2004
Kabushiki Kaisha Toshiba
Hideo Kikuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital superimposed edge generation apparatus
Patent number
4,646,154
Issue date
Feb 24, 1987
Tokyo Shibaura Denki Kabushiki Kaisha
Nobutaka Shinohara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital automatic video delay system
Patent number
4,635,100
Issue date
Jan 6, 1987
Kabushiki Kaisha Toshiba
Shuji Hirakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital chromakey apparatus
Patent number
4,621,280
Issue date
Nov 4, 1986
Kabushiki Kaisha Toshiba
Nobutaka Shinohara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Data broadcasting system, receiving terminal device, contents provi...
Publication number
20030003899
Publication date
Jan 2, 2003
Shigeru Tashiro
H04 - ELECTRIC COMMUNICATION TECHNIQUE