Inventor · disambiguated record
Itaru Nishizawa
Also filed as: NISHIZAWA ITARU
28 granted patents·10 pending applications·1,317 citations·filing 1998–2018
97Inventor score
Top patents by PatentIndex Score
38 records- 0198US7403959B2Query processing method for stream data processing systemsHITACHI LTD·Filed 2005·Granted Jul 22, 2008·109 cites·15 claims
- 0298US6694306B1System and method for query processing using virtual table interfaceHITACHI LTD·Filed 2000·Granted Feb 17, 2004·271 cites·18 claims
- 0397US7644110B2Stream data processing system and stream data processing methodHITACHI LTD·Filed 2006·Granted Jan 5, 2010·109 cites·12 claims
- 0496US8095690B2Machine-readable medium for storing a stream data processing program and computer systemKASHIYAMA TOSHIHIKO·Filed 2009·Granted Jan 10, 2012·94 cites·13 claims
- 0595US6381601B1Grouping and duplicate removal method in a databaseHITACHI LTD·Filed 1999·Granted Apr 30, 2002·234 cites·18 claims
- 0693US8290776B2Meeting visualization systemMORIWAKI NORIHIKO·Filed 2008·Granted Oct 16, 2012·51 cites·4 claims
- 0793US7849227B2Stream data processing method and computer systemsHITACHI LTD·Filed 2008·Granted Dec 7, 2010·37 cites·19 claims
- 0892US6757670B1Method and system for query processingHITACHI LTD·Filed 2000·Granted Jun 29, 2004·84 cites·24 claims
- 0989US7941413B2Index processing method and computer systemsHITACHI LTD·Filed 2007·Granted May 10, 2011·22 cites·19 claims
- 1089US6820085B2Web system having clustered application servers and clustered databasesHITACHI LTD·Filed 2002·Granted Nov 16, 2004·63 cites·15 claims
- 1185US8402015B2Method for processing stream data and system thereofIMAKI TSUNEYUKI·Filed 2009·Granted Mar 19, 2013·13 cites·15 claims
- 1284US8032554B2Stream data processing method and systemHITACHI LTD·Filed 2009·Granted Oct 4, 2011·16 cites·15 claims
- 1382US8788481B2Method for processing stream data and system thereofHITACHI LTD·Filed 2013·Granted Jul 22, 2014·5 cites·4 claims
- 1482US6898594B2Integrated database system and program storage mediumHITACHI LTD·Filed 2001·Granted May 24, 2005·7 cites·11 claims
- 1574US9424312B2Method for processing stream data and system thereofHITACHI LTD·Filed 2014·Granted Aug 23, 2016·2 cites·6 claims
- 1673US7228416B2Database access method and system capable of concealing the contents of queryHITACHI LTD·Filed 2001·Granted Jun 5, 2007·17 cites·12 claims
- 1773US6832216B2Method and system for mining association rules with negative itemsHITACHI LTD·Filed 2001·Granted Dec 14, 2004·21 cites·16 claims
- 1870US8335782B2Ranking query processing method for stream data and stream data processing system having ranking query processing mechanismNISHIZAWA ITARU·Filed 2008·Granted Dec 18, 2012·7 cites·12 claims
- 1967US7958108B2Query processing method for stream data processing systemsHITACHI LTD·Filed 2008·Granted Jun 7, 2011·7 cites·20 claims
- 2067US5890150ARandom 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
- 2166US7111019B1Data 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
- 2264US8495082B2Stream data processing method cooperable with reference external dataKASHIYAMA TOSHIHIKO·Filed 2006·Granted Jul 23, 2013·3 cites·21 claims
- 2361US7949653B2Stream data processing method and stream data processing systemHITACHI LTD·Filed 2008·Granted May 24, 2011·2 cites·9 claims
- 2458US8024350B2Stream data processing control method, stream data processing apparatus, and stream data processing control programHITACHI LTD·Filed 2009·Granted Sep 20, 2011·2 cites·14 claims
- 2558US7269635B2File transfer system for secure remote file accessesHITACHI LTD·Filed 2002·Granted Sep 11, 2007·5 cites·2 claims
- 2652US8463809B2Method and computing system for distributed stream data processing using plural of computersITO DAISUKE·Filed 2009·Granted Jun 11, 2013·0 cites·20 claims
- 2751US6519598B1Active memory and memory control method, and heterogeneous data integration use system using the memory and methodHITACHI LTD·Filed 1999·Granted Feb 11, 2003·25 cites·9 claims
- 2850US2007203950A1Method and apparatus for implementing extensible network-attached secondary storageINOHARA SHIGEKAZU·Filed 2007·Application pending·0 cites
- 2948US2005091210A1Method for integrating and accessing of heterogeneous data sourcesFiled 2004·Application pending·0 cites
- 3047US7231401B1Method and apparatus for implementing extensible network-attached secondary storageHITACHI LTD·Filed 1999·Granted Jun 12, 2007·18 cites·6 claims
- 3147US2019012623A1Trade management method, trade management system and trade management deviceHITACHI LTD·Filed 2018·Application pending·0 cites
- 3244US2007294338A1Database access method and system capable of concealing the contents of queryNISHIZAWA ITARU·Filed 2007·Application pending·0 cites
- 3344US2004054683A1System and method for join operations of a star schema databaseHITACHI LTD·Filed 2003·Application pending·0 cites
- 3444US2006253435A1Data 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 systemNISHIZAWA ITARU·Filed 2006·Application pending·0 cites
- 3543US2002049747A1Method for integrating and accessing of heterogeneous data sourcesFiled 2001·Application pending·0 cites
- 3639US2019080422A1Revenue allocation system and revenue allocation methodHITACHI LTD·Filed 2018·Application pending·0 cites
- 3738US2013238619A1Data processing system, and data processing deviceHANAOKA MIYUKI·Filed 2011·Application pending·0 cites
- 3837US2013226909A1Stream Data Processing Method and DeviceKATSUNUMA SATOSHI·Filed 2010·Application pending·0 cites
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