Inventor · disambiguated record
Mitsuru Akizawa
Also filed as: AKIZAWA MITSURU
12 granted patents·1,306 citations·filing 1990–1997
94Inventor score
Files withHITACHI LTD12
Top patents by PatentIndex Score
12 records- 0197US5548724AFile server system and file access control method of the sameHITACHI LTD·Filed 1994·Granted Aug 20, 1996·462 cites·21 claims
- 0294US5497488ASystem for parallel string search with a function-directed parallel collation of a first partition of each string followed by matching of second partitionsHITACHI LTD·Filed 1995·Granted Mar 5, 1996·250 cites·29 claims
- 0391US5452451ASystem 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
- 0488US5603003AHigh speed file access control method and computer system including a plurality of storage subsystems connected on a busHITACHI LTD·Filed 1993·Granted Feb 11, 1997·160 cites·50 claims
- 0578US6094647APresearch type document search method and apparatusHITACHI LTD·Filed 1997·Granted Jul 25, 2000·66 cites·10 claims
- 0677US5519857AHierarchical 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
- 0770US5757983ADocument retrieval method and systemHITACHI LTD·Filed 1995·Granted May 26, 1998·82 cites·39 claims
- 0867US5168533AHierarchical 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
- 0965US5036486AAssociative memory deviceHITACHI LTD·Filed 1990·Granted Jul 30, 1991·45 cites·4 claims
- 1054US5138669ARange-conditional character string retrieving method and systemHITACHI LTD·Filed 1991·Granted Aug 11, 1992·29 cites·34 claims
- 1151US5101376AIntegrated microprocessor with associative memory deviceHITACHI LTD·Filed 1991·Granted Mar 31, 1992·14 cites·4 claims
- 1241US5398206ASemiconductor memory device with data error compensationHITACHI LTD·Filed 1991·Granted Mar 14, 1995·9 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →