Inventor · disambiguated record
Yasushi Kawashimo
Also filed as: KAWASHIMO YASUSHI
5 granted patents·250 citations·filing 1997–2003
84Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0191US6473754B1Method 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
- 0267US7039636B2Document retrieval method and document retrieval systemHITACHI LTD·Filed 2003·Granted May 2, 2006·23 cites·4 claims
- 0365US6496820B1Method and search method for structured documentsHITACHI LTD·Filed 1999·Granted Dec 17, 2002·28 cites·2 claims
- 0464US6003043AText data registering and retrieving system including a database storing a plurality of document files therin and a plural-character occurrence table for a text index and an update text buffer to retrieve a target document in cooperation with the databaseHITACHI LTD·Filed 1997·Granted Dec 14, 1999·46 cites·19 claims
- 0552US6826567B2Registration method and search method for structured documentsHITACHI LTD·Filed 2002·Granted Nov 30, 2004·9 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →