Reproduction apparatus and reproduction method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 31, 2004
Grant Date -
May 30, 2002
app pub date -
Jul 31, 2001
filing date -
Aug 3, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A reproduction apparatus and a reproduction method by which an error of time information that arises from interruption of power supplied to a timer that manages the term of term-managed contents data is minimized to allow accurate term management of the contents data. The timer produces time information when power is supplied to the timer from a cell, but the timer stops operating when no power is supplied thereto. The time information produced by the timer is stored into a memory, and the memory holds the stored time information when no power is supplied to the timer. When power from the cell is restored to the timer, the timer is set accordingly to the time information stored in the memory, so that the timer may thereafter produce correct time information thereby allowing term management of the term-managed contents data to be performed accurately.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
INTERTRUST TECHNOLOGIES CORPORATION | 400 N MCCARTHY BLVD SUITE 220 MILIPITAS CA 95035 |
International Classification(s)

- 2001 Application Filing Year
- G04B Class
- 185 Applications Filed
- 95 Patents Issued To-Date
- 51.36 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Irie, Kenji | Kanagawa, JP | 26 | 274 |
# of filed Patents : 26 Total Citations : 274 | |||
Ukita, Yoshitaka | Tokyo, JP | 22 | 1367 |
# of filed Patents : 22 Total Citations : 1367 |
Cited Art Landscape
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Patent Citation Ranking
- 3 Citation Count
- G04B Class
- 7.96 % this patent is cited more than
- 21 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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Jan 09, 2025 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 12TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1553); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 12 |
Jun 23, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
Jun 30, 2017 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Dec 31, 2013 | I | Issuance | |
Dec 11, 2013 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Feb 21, 2013 | P | Published | |
May 07, 2012 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MCGREGOR, JEAN TUCK;BROUGHMAN, JAMES MICHAEL;NELSON, ALLEN R.;AND OTHERS;SIGNING DATES FROM 20110915 TO 20120321;REEL/FRAME:028163/0292 Owner name: LOWE'S COMPANIES, INC., NORTH CAROLINA |
Nov 22, 2011 | F | Filing | |
Aug 18, 2011 | PD | Priority Date |

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