US Patent No: 6,467,026

Number of patents in Portfolio can not be more than 2000

Web cache memory device and browser apparatus utilizing the same

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ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

The present invention relates to a cache mechanism of a browser apparatus as a World Wide Web (WWW) client and aims at the improvement of utilization efficiency and the shortening of an information acquisition delay time. A cache is constituted in an HDD or DVD-RAM under the control of a Web cache program. A copy of acquired information is stored in the cache. A directory of the cache is managed by a Web cache management table, and the control is made so that the writing of the cache contents and necessary entries of the management table is completed before the DVD-RAM is removed from the browser apparatus. A browsing work can be continued smoothly by loading the DVD-RAM to another browser apparatus. Also, if an information provider provides information in a form stored in a disk in the form of a Web cache, the browsing of the information becomes possible with the same URL as that in WWW access.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HITACHI, LTD.TOKYO32320

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Suzuki, Norihiro Asaka, JP 23 184
Umetani, Yukio Hachioji, JP 8 140
Yamaguchi, Muneaki Inagi, JP 31 222
Yamamoto, Kazumichi Nara, JP 31 258

Cited Art

Patent Info (Count) # Cites Year
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (2)
5,151,989 Directory cache management in a distributed data processing system 124 1987
5,727,129 Network system for profiling and actively facilitating user activities 498 1996
 
MICROSOFT CORPORATION (2)
5,946,697 Rapid transfer of HTML files 127 1997
6,119,153 Accessing content via installable data sources 70 1998
 
CISCO TECHNOLOGY, INC. (1)
6,006,268 Method and apparatus for reducing overhead on a proxied connection 44 1997
 
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (1)
6,182,193 Caching system using cache indexes for call group data of call requests in ATM network devices 5 1998
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1)
5,485,439 Method for recording/reproducing information and apparatus therefor 17 1991

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
APPLE INC. (3)
7,313,809 Convergence-enabled DVD and web system 14 2000
8,341,683 Convergence-enabled DVD and web system 0 2007
8,001,211 Convergence-enabled DVD and web system 0 2007
 
RESEARCH IN MOTION LIMITED (2)
7,543,122 System and method for obscuring hand-held device data traffic information 1 2005
7,900,001 System and method for obscuring hand-held device data traffic information 0 2009
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
7,143,145 Selective clearing of entries in a web browser cache 4 2003
 
KABUSHIKI KAISHA TOSHIBA (1)
7,334,023 Data transfer scheme for reducing network load using general purpose browser on client side 6 2003
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1)
6,714,498 Information recording/reproducing apparatus 0 2003
 
MICROSOFT CORPORATION (1)
6,877,018 System and method for unloading namespace devices 12 2001
 
UNWIRED PLANET, INC. (1)
6,968,216 Method and apparatus for controlling ringer characteristics for wireless communication devices 9 2001

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 15, 2014
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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