Inventor · disambiguated record
Shinji Fujiwara
Also filed as: FUJIWARA SHINJI
105 granted patents·14 pending applications·2,445 citations·filing 1975–2025
99Inventor score
Files withHITACHI LTD50MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28SUMITOMO CHEMICAL CO12TOKUDA SEISUKE4WATANABE SATORU3
Top patents by PatentIndex Score
119 records- 0198US7403959B2Query processing method for stream data processing systemsHITACHI LTD·Filed 2005·Granted Jul 22, 2008·109 cites·15 claims
- 0297US7890467B2Method for verifying data consistency of backup system, program and storage mediumHITACHI LTD·Filed 2007·Granted Feb 15, 2011·90 cites·7 claims
- 0395US6381601B1Grouping and duplicate removal method in a databaseHITACHI LTD·Filed 1999·Granted Apr 30, 2002·234 cites·18 claims
- 0494US7099901B2Method for backing up a disk array systemHITACHI LTD·Filed 2002·Granted Aug 29, 2006·110 cites·9 claims
- 0593US7860824B2System and method of disaster recoveryHITACHI LTD·Filed 2007·Granted Dec 28, 2010·34 cites·18 claims
- 0692US7593974B2Method and database system for duplicating transactions between remote sitesHITACHI LTD·Filed 2006·Granted Sep 22, 2009·24 cites·9 claims
- 0791US6268600B1Linear illumination deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jul 31, 2001·158 cites·70 claims
- 0889US7146357B2Database system, server, query posing method, and data updating methodHITACHI LTD·Filed 2004·Granted Dec 5, 2006·78 cites·17 claims
- 0989US5515531AParallel database processing system and retrieval method using secondary keyHITACHI LTD·Filed 1993·Granted May 7, 1996·156 cites·20 claims
- 1088US7610460B2Buffer updates and data evacuation in a storage system using differential snapshotsHITACHI LTD·Filed 2006·Granted Oct 27, 2009·20 cites·1 claims
- 1187US8859446B2α alumina sintered body for production of sapphire single crystalOZAKI HIROTAKA·Filed 2011·Granted Oct 14, 2014·6 cites·12 claims
- 1287US5842207AMethod for storing records of a distributed database by plural processors to provide a host processor with sorted records belonging to one of a plurality of key sectionsHITACHI LTD·Filed 1992·Granted Nov 24, 1998·80 cites·4 claims
- 1384US8176196B2Stream data processing method and apparatusKATSUNUMA SATOSHI·Filed 2010·Granted May 8, 2012·11 cites·14 claims
- 1484US7117393B2Failover method in a redundant computer system with storage devicesHITACHI LTD·Filed 2004·Granted Oct 3, 2006·38 cites·5 claims
- 1583US8898189B2Database management method, computer, sensor network system and time-series data management methodNAKANO SADAKI·Filed 2010·Granted Nov 25, 2014·10 cites·17 claims
- 1683US5518381AClosed rotary compressorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted May 21, 1996·39 cites·12 claims
- 1782US8041685B2Method of changing system configuration in shared-nothing database management systemHITACHI LTD·Filed 2008·Granted Oct 18, 2011·10 cites·11 claims
- 1882US5969343ALinear illumination deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Oct 19, 1999·59 cites·10 claims
- 1982US2025390495A1Database management apparatus and methodHITACHI LTD·Filed 2025·Application pending·0 cites
- 2081US10853365B2Database management system, computer, and database management methodHITACHI LTD·Filed 2014·Granted Dec 1, 2020·6 cites·13 claims
- 2180US7669209B2Method for optimizing remote procedure call (RPC) and program execution method by use of the optimized RPCHITACHI LTD·Filed 2005·Granted Feb 23, 2010·11 cites·2 claims
- 2280US7587430B2Backup system for data baseHITACHI LTD·Filed 2006·Granted Sep 8, 2009·10 cites·6 claims
- 2380US5835142ADirect contact type image sensor and its production methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Nov 10, 1998·61 cites·19 claims
- 2479US7587426B2System and method for virtualizing a distributed network storage as a single-view file systemHITACHI LTD·Filed 2002·Granted Sep 8, 2009·30 cites·7 claims
- 2578US6072171ALinear illumination deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jun 6, 2000·48 cites·49 claims
- 2675US5471580AHierarchical network having lower and upper layer networks where gate nodes are selectively chosen in the lower and upper layer networks to form a recursive layerHITACHI LTD·Filed 1992·Granted Nov 28, 1995·71 cites·10 claims
- 2774US8554733B2Disaster recovery method, disaster recovery system, remote copy method and storage systemSUZUKI YOSHIO·Filed 2005·Granted Oct 8, 2013·7 cites·9 claims
- 2873US7174360B2Method for forming virtual network storageHITACHI LTD·Filed 2002·Granted Feb 6, 2007·18 cites·24 claims
- 2973US4354104ASolid-state image pickup deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Oct 12, 1982·29 cites·7 claims
- 3073US4271420ASolid-state image pickup deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Jun 2, 1981·31 cites·2 claims
- 3172US7539703B2Setup method for disaster recovery systemHITACHI LTD·Filed 2006·Granted May 26, 2009·6 cites·7 claims
- 3272US5030474AMethod for forming hydroxyapatite coating film using coating liquor containing hydroxyapatiteSUMITOMO CHEMICAL CO·Filed 1990·Granted Jul 9, 1991·77 cites·6 claims
- 3371US7370029B2Method of changing system configuration in shared-nothing database management systemHITACHI LTD·Filed 2004·Granted May 6, 2008·14 cites·1 claims
- 3471US7363391B2Storage system for queuing I/O commands and control method thereforHITACHI LTD·Filed 2006·Granted Apr 22, 2008·5 cites·20 claims
- 3571US6162413AAlpha-alumina and method for producing sameSUMITOMO CHEMICAL CO·Filed 1997·Granted Dec 19, 2000·23 cites·4 claims
- 3671US5405809ASemiconductor device, an image sensor device, and methods for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Apr 11, 1995·38 cites·14 claims
- 3771US5138145AMethod for producing image sensors with current flow into chip and with simplified chip mountingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Aug 11, 1992·37 cites·2 claims
- 3870US12430334B2Database management apparatus and methodHITACHI LTD·Filed 2023·Granted Sep 30, 2025·0 cites·11 claims
- 3970US8510316B2Database processing system and methodSHIMIZU AKIRA·Filed 2009·Granted Aug 13, 2013·5 cites·13 claims
- 4070US6127675ALinear illumination deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Oct 3, 2000·31 cites·21 claims
- 4170US6014655AMethod of retrieving databaseHITACHI LTD·Filed 1997·Granted Jan 11, 2000·39 cites·23 claims
- 4270US5128169AMethod for forming hydroxyapatite coating filmSUMITOMO CHEMICAL CO·Filed 1991·Granted Jul 7, 1992·72 cites·19 claims
- 4370US4236829ASolid-state image sensorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted Dec 2, 1980·32 cites·11 claims
- 4468US10515078B2Database management apparatus, database management method, and storage mediumHITACHI LTD·Filed 2013·Granted Dec 24, 2019·2 cites·14 claims
- 4567US10747773B2Database management system, computer, and database management methodYOSHIDA MICHIKO·Filed 2012·Granted Aug 18, 2020·3 cites·14 claims
- 4667US7958108B2Query processing method for stream data processing systemsHITACHI LTD·Filed 2008·Granted Jun 7, 2011·7 cites·20 claims
- 4767US7587627B2System and method for disaster recovery of dataHITACHI LTD·Filed 2005·Granted Sep 8, 2009·4 cites·7 claims
- 4867US5890150ARandom sampling method for use in a database processing system and a database processing system based thereonHITACHI LTD·Filed 1998·Granted Mar 30, 1999·50 cites·16 claims
- 4966US7111019B1Data warehouse system and query processing method used in the system, and data collecting method and apparatus for the method, and charging method and apparatus in the systemHITACHI LTD·Filed 1999·Granted Sep 19, 2006·43 cites·3 claims
- 5066US6813684B2Disk drive system and method for controlling a cache memoryHITACHI LTD·Filed 2002·Granted Nov 2, 2004·11 cites·14 claims
Showing the top 50 of 119 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Shinji Fujiwara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →