Inventor · disambiguated record
Hisamitsu Kawaguchi
Also filed as: KAWAGUCHI HISAMITSU
26 granted patents·1 pending application·2,113 citations·filing 1988–2002
98Inventor score
Top patents by PatentIndex Score
27 records- 0197US5548724AFile server system and file access control method of the sameHITACHI LTD·Filed 1994·Granted Aug 20, 1996·462 cites·21 claims
- 0293US6510425B1Document search method for registering documents, generating a structure index with elements having position of occurrence in documents represented by meta-nodesHITACHI LTD·Filed 2001·Granted Jan 21, 2003·75 cites·8 claims
- 0393US5051886ASystem for character stream search using finite state automaton techniqueHITACHI LTD·Filed 1988·Granted Sep 24, 1991·89 cites·14 claims
- 0491US6105022AStructured-text cataloging method, structured-text searching method, and portable medium used in the methodsHITACHI LTD·Filed 1998·Granted Aug 15, 2000·92 cites·10 claims
- 0591US5452451ASystem for plural-string search with a parallel collation of a first partition of each string followed by finite automata matching of second partitionsHITACHI LTD·Filed 1994·Granted Sep 19, 1995·93 cites·31 claims
- 0690US6389413B2Structured-text cataloging method, structured-text searching method, and portable medium used in the methodsHITACHI LTD·Filed 2001·Granted May 14, 2002·61 cites·23 claims
- 0788US5745745AText search method and apparatus for structured documentsHITACHI LTD·Filed 1995·Granted Apr 28, 1998·121 cites·22 claims
- 0887US5220625AInformation search terminal and systemHITACHI LTD·Filed 1992·Granted Jun 15, 1993·147 cites·25 claims
- 0986US5469354ADocument data processing method and apparatus for document retrievalHITACHI LTD·Filed 1992·Granted Nov 21, 1995·148 cites·50 claims
- 1085US6226632B1Structured-text cataloging method, structured-text searching method, and portable medium used in the methodsHITACHI LTD·Filed 2000·Granted May 1, 2001·39 cites·1 claims
- 1183US6434551B1Structured-text cataloging method, structured-text searching method, and portable medium used in the methodsHITACHI LTD·Filed 2002·Granted Aug 13, 2002·34 cites·8 claims
- 1281US6377946B1Document search method and apparatus and portable medium used thereforHITACHI LTD·Filed 1999·Granted Apr 23, 2002·82 cites·20 claims
- 1379US5140644ACharacter string retrieving system and methodHITACHI LTD·Filed 1991·Granted Aug 18, 1992·88 cites·12 claims
- 1478US6094647APresearch type document search method and apparatusHITACHI LTD·Filed 1997·Granted Jul 25, 2000·66 cites·10 claims
- 1577US5519857AHierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatusHITACHI LTD·Filed 1992·Granted May 21, 1996·59 cites·8 claims
- 1676US5454105ADocument information search method and systemHITACHI LTD·Filed 1993·Granted Sep 26, 1995·75 cites·30 claims
- 1774US5748953ADocument search method wherein stored documents and search queries comprise segmented text data of spaced, nonconsecutive text elements and words segmented by predetermined symbolsHITACHI LTD·Filed 1995·Granted May 5, 1998·103 cites·18 claims
- 1873US6535875B2Structured-text cataloging method, structured-text searching method, and portable medium used in the methodsHITACHI LTD·Filed 2002·Granted Mar 18, 2003·12 cites·2 claims
- 1970US5757983ADocument retrieval method and systemHITACHI LTD·Filed 1995·Granted May 26, 1998·82 cites·39 claims
- 2068US6745202B2Structured-text cataloging method, structured-text searching method, and portable medium used in the methodsHITACHI LTD·Filed 2002·Granted Jun 1, 2004·8 cites·20 claims
- 2167US5471610AMethod for character string collation with filtering function and apparatusHITACHI LTD·Filed 1993·Granted Nov 28, 1995·50 cites·38 claims
- 2267US5168533AHierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatusHITACHI LTD·Filed 1990·Granted Dec 1, 1992·37 cites·56 claims
- 2365US6724477B2Inspection method for lens products, and apparatus for the sameDAINIPPON PRINTING CO LTD·Filed 2001·Granted Apr 20, 2004·6 cites·13 claims
- 2465US5278981ACharacter stream search apparatus using a finite state automationHITACHI LTD·Filed 1991·Granted Jan 11, 1994·39 cites·6 claims
- 2554US5138669ARange-conditional character string retrieving method and systemHITACHI LTD·Filed 1991·Granted Aug 11, 1992·29 cites·34 claims
- 2643US5970485ANews clipping method and systemHITACHI LTD·Filed 1997·Granted Oct 19, 1999·16 cites·21 claims
- 2740US2002077989A1Method and system for calculating licensing fee of digital contents and medium recorded with operational program for the method and systemFiled 2001·Application pending·0 cites
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