Inventor · disambiguated record
Mikihiko Tokunaga
Also filed as: TOKUNAGA MIKIHIKO
9 granted patents·4 pending applications·189 citations·filing 1987–2006
90Inventor score
Top patents by PatentIndex Score
13 records- 0184US7054860B2Method and system for retrieving a document and computer readable storage mediumHITACHI LTD·Filed 2003·Granted May 30, 2006·42 cites·10 claims
- 0281US6865571B2Document retrieval method and system and computer readable storage mediumHITACHI LTD·Filed 2001·Granted Mar 8, 2005·33 cites·7 claims
- 0371US7506101B2Data migration method and systemHITACHI LTD·Filed 2006·Granted Mar 17, 2009·7 cites·16 claims
- 0471US7120625B2Method and apparatus for document information managementHITACHI LTD·Filed 2002·Granted Oct 10, 2006·30 cites·9 claims
- 0568US7702865B2Storage system and data migration methodHITACHI LTD·Filed 2006·Granted Apr 20, 2010·5 cites·4 claims
- 0668US6757676B1Text 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
- 0762US6738786B2Data display method and apparatus for use in text miningHITACHI LTD·Filed 2001·Granted May 18, 2004·9 cites·23 claims
- 0853US4979109AMethod of controlling a data dictionary directory system in a data base systemHITACHI LTD·Filed 1987·Granted Dec 18, 1990·22 cites·13 claims
- 0949US4833597ADictionary/directory management method in database systemHITACHI LTD·Filed 1987·Granted May 23, 1989·18 cites·5 claims
- 1044US2007277011A1Storage system and data management methodTANAKA HIROYUKI·Filed 2006·Application pending·0 cites
- 1143US2006212495A1Method and system for storing data into a databaseTOKUNAGA MIKIHIKO·Filed 2006·Application pending·0 cites
- 1242US2007283090A1Storage system and volume management method for the sameKAJI TOMOYUKI·Filed 2006·Application pending·0 cites
- 1340US2002174113A1Document retrieval method /device and storage medium storing document retrieval programFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →