Inventor · disambiguated record
Kenzo Masuda
Also filed as: MASUDA KENZO · TAKANASHI AKIRA
15 granted patents·224 citations·filing 1975–2002
94Inventor score
Files withHITACHI LTD15
Top patents by PatentIndex Score
15 records- 0193US4069430AMIS switching circuit capable of enduring high voltageHITACHI LTD·Filed 1976·Granted Jan 17, 1978·39 cites·6 claims
- 0289US6490131B2Thin film magnetic head with electroplated Ni-Fe alloy thin film having small average crystal grain size rangeHITACHI LTD·Filed 2002·Granted Dec 3, 2002·18 cites·4 claims
- 0388US6262867B1Thin film magnetic head with Ni-Fe alloy thin filmHITACHI LTD·Filed 2000·Granted Jul 17, 2001·18 cites·3 claims
- 0485US6118628AThin film magnetic head with Ni-Fe alloy thin filmHITACHI LTD·Filed 1996·Granted Sep 12, 2000·33 cites·15 claims
- 0577US6661606B2Magnetic disk apparatus with magnetic head having upper and lower magnetic cores of an electroplated thin filmHITACHI LTD·Filed 2002·Granted Dec 9, 2003·8 cites·3 claims
- 0677US4239980AIntegrated circuit having an operation voltage supplying depletion type MISFET of high breakdown voltage structureHITACHI LTD·Filed 1978·Granted Dec 16, 1980·22 cites·16 claims
- 0769US4045686AVoltage comparator circuitHITACHI LTD·Filed 1975·Granted Aug 30, 1977·18 cites·12 claims
- 0868US5162163AMagnetic recording medium having a lubricant film consisting of a mixture of two lubricants and which has two peaks of molecular weightHITACHI LTD·Filed 1990·Granted Nov 10, 1992·19 cites·5 claims
- 0967US6385009B2Thin film magnetic head and assembled construction thereofHITACHI LTD·Filed 2001·Granted May 7, 2002·4 cites·5 claims
- 1063US4107548ARatioless type MIS logic circuitHITACHI LTD·Filed 1977·Granted Aug 15, 1978·16 cites·5 claims
- 1155US4069427AMIS logic circuit of ratioless typeHITACHI LTD·Filed 1976·Granted Jan 17, 1978·9 cites·9 claims
- 1252US5079062AMagnetic recording medium having a thin film magnetic layer formed over a non-magnetic substrate which has powder grains of the substrate disposed on its surfaceHITACHI LTD·Filed 1989·Granted Jan 7, 1992·8 cites·23 claims
- 1344US4074238ASemiconductor read-only memoryHITACHI LTD·Filed 1976·Granted Feb 14, 1978·6 cites·8 claims
- 1444US4015216AFrequency-voltage converter and a stabilized pulse generator using itHITACHI LTD·Filed 1975·Granted Mar 29, 1977·6 cites·7 claims
- 1529US4053791ALogic circuit of ratioless structureHITACHI LTD·Filed 1976·Granted Oct 11, 1977·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →