Inventor · disambiguated record
Tadataka Matsubayashi
Also filed as: MATSUBAYASHI TADATAKA
20 granted patents·4 pending applications·611 citations·filing 1999–2012
96Inventor score
Top patents by PatentIndex Score
24 records- 0195US6665668B1Document retrieval method and system and computer readable storage mediumHITACHI LTD·Filed 2000·Granted Dec 16, 2003·144 cites·12 claims
- 0291US6473754B1Method and system for extracting characteristic string, method and system for searching for relevant document using the same, storage medium for storing characteristic string extraction program, and storage medium for storing relevant document searching programHITACHI LTD·Filed 1999·Granted Oct 29, 2002·144 cites·22 claims
- 0385US7130849B2Similarity-based search method by relevance feedbackHITACHI LTD·Filed 2003·Granted Oct 31, 2006·50 cites·17 claims
- 0484US7054860B2Method and system for retrieving a document and computer readable storage mediumHITACHI LTD·Filed 2003·Granted May 30, 2006·42 cites·10 claims
- 0581US6865571B2Document retrieval method and system and computer readable storage mediumHITACHI LTD·Filed 2001·Granted Mar 8, 2005·33 cites·7 claims
- 0675US7231388B2Similar document retrieving method and systemHITACHI LTD·Filed 2002·Granted Jun 12, 2007·24 cites·22 claims
- 0773US7558802B2Information retrieving systemHITACHI LTD·Filed 2006·Granted Jul 7, 2009·7 cites·11 claims
- 0873US6549898B1Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are storedHITACHI LTD·Filed 2000·Granted Apr 15, 2003·28 cites·22 claims
- 0971US6665667B2Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are storedHITACHI LTD·Filed 2002·Granted Dec 16, 2003·14 cites·20 claims
- 1069US7440938B2Method and apparatus for calculating similarity among documentsHITACHI LTD·Filed 2004·Granted Oct 21, 2008·17 cites·6 claims
- 1168US6757676B1Text mining method and apparatus allowing a user to analyze contents of a document set from plural analysis axesHITACHI LTD·Filed 2000·Granted Jun 29, 2004·23 cites·17 claims
- 1267US7039636B2Document retrieval method and document retrieval systemHITACHI LTD·Filed 2003·Granted May 2, 2006·23 cites·4 claims
- 1365US7689545B2System and method to enable parallel text search using in-charge index rangesHITACHI LTD·Filed 2005·Granted Mar 30, 2010·4 cites·13 claims
- 1465US6496820B1Method and search method for structured documentsHITACHI LTD·Filed 1999·Granted Dec 17, 2002·28 cites·2 claims
- 1562US6738786B2Data display method and apparatus for use in text miningHITACHI LTD·Filed 2001·Granted May 18, 2004·9 cites·23 claims
- 1655US2003110091A1Information delivering service systemFiled 2002·Application pending·0 cites
- 1755US2004117388A1Method, apparatus and programs for delivering informationFiled 2003·Application pending·0 cites
- 1852US6826567B2Registration method and search method for structured documentsHITACHI LTD·Filed 2002·Granted Nov 30, 2004·9 cites·10 claims
- 1949US7200587B2Method of searching similar document, system for performing the same and program for processing the sameHITACHI LTD·Filed 2002·Granted Apr 3, 2007·10 cites·3 claims
- 2045US2004193584A1Method and device for relevant document searchFiled 2003·Application pending·0 cites
- 2140US2014317137A1Log management computer and log management methodHANAOKA MIYUKI·Filed 2012·Application pending·0 cites
- 2239US7752216B2Retrieval apparatus, retrieval method and retrieval programHITACHI LTD·Filed 2007·Granted Jul 6, 2010·0 cites·12 claims
- 2339US7620614B2Method, program and apparatus for document retrieval systemHITACHI LTD·Filed 2007·Granted Nov 17, 2009·0 cites·16 claims
- 2436US7333983B2Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are storedHITACHI LTD·Filed 2003·Granted Feb 19, 2008·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →