Method and system for embedding information into contents

United States of America Patent

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Nov 30, 2004
Grant Date
Jun 20, 2002
app pub date
Feb 12, 2002
filing date
Sep 3, 1997

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Abstract

A method of embedding information into contents includes a changeable range calculating step of obtaining a range where value change of the contents is imperceptible to the human being and a step of embedding information by changing the values of the contents within the changeable range.

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Patent Owner(s)

Patent Owner	Address
MAXELL LTD	1 KOIZUMI OYAMAZAKI OYAMAZAKI-CHO OTOKUNI-GUN KYOTO

International Classification(s)

G06K:RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD ....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Arai, Takao	Yokohama, JP	141	2154
Echizen, Isao	Yokohama, JP	29	508
Maeda, Akira	Yokohama, JP	131	1983
Taguchi, Junichi	Sagamihara, JP	11	166
Takeuchi, Toshifumi	Tokyo, JP	122	1431
Yoshiura, Hiroshi	Tokyo, JP	72	2920

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Method and system for embedding information into contents

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10073010

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PATENT NO	6826291
APP PUB NO	20020076086A1
SERIAL NO	10073010
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 30, 2004	US,6826291,B2 US6826291B2	GRANTED PATENT AS SECOND PUBLICATION
June 20, 2002	US,20020076086,A1 US20020076086A1	FIRST PUBLISHED PATENT APPLICATION

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10073010

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Family

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