Method and apparatus for certified electronic mail messages

United States of America Patent

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Nov 6, 2001
Grant Date
N/A
app pub date
Jul 1, 1998
filing date
Jul 1, 1998

priority date (Note)
Expired

status (Latency Note)

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Abstract

A system allows users to send certified electronic mail messages. A server receives an electronic mail message designated for certified delivery. The server forwards the electronic mail message to a receiving account. Any action taken upon the message by the receiving account is conveyed to the server, which forwards that information to the sender.

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Patent Owner(s)

Patent Owner	Address
SONY CORPORATION	7-35 KITASHINAGAWA 6-CHOME SHINAGAWA-KU TOKYO
SONY ELECTRONICS INC	1 SONY DRIVE PARK RIDGE NJ 07656

International Classification(s)

G06F:ELECTRIC DIGITAL DATA PROCESSING

[Classification Symbol]

[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hsu, P Robert	San Jose, CA	14	1486
Wang, David Shan-Ming	Fremont, CA	5	147

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Method and apparatus for certified electronic mail messages

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09108177

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US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

PATENT NO	6314454
SERIAL NO	09108177
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09108177

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Importance

Abstract

First Claim

Family

Patent Owner(s)

International Classification(s)

Inventor(s)

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Patent Citation Ranking

Forward Cite Landscape

Maintenance Fees

Full Text

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