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Kazuo Yoshiikawa
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Kobe, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Display apparatus
Patent number
7,002,535
Issue date
Feb 21, 2006
Hitachi, Ltd.
Makoto Onozawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Display apparatus
Patent number
6,781,564
Issue date
Aug 24, 2004
Hitachi, Ltd.
Makoto Onozawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Display apparatus
Patent number
6,496,166
Issue date
Dec 17, 2002
Hitachi, Ltd.
Makoto Onozawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
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Patent Application
Display apparatus
Publication number
20040257309
Publication date
Dec 23, 2004
Makoto Onozawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Display apparatus
Publication number
20030122737
Publication date
Jul 3, 2003
Makoto Onozawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS