Inventor · disambiguated record
Eiichi Hirota
Also filed as: HIROTA EIICHI
17 granted patents·398 citations·filing 1973–2002
95Inventor score
Top patents by PatentIndex Score
17 records- 0197US4943612AUltra-fine particulated polymer latex and composition containing the sameLION CORP·Filed 1987·Granted Jul 24, 1990·72 cites·4 claims
- 0294US4535376AMagnetic head incorporating an amorphous magnetic metallic film having a thickness equal to a track widthMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Aug 13, 1985·47 cites·24 claims
- 0392US4288260AMethod of heat treatments of amorphous alloy ribbonsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Sep 8, 1981·51 cites·7 claims
- 0490US6258470B1Exchange coupling film, magnetoresistance effect device, magnetoresistance effective head and method for producing exchange coupling filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jul 10, 2001·67 cites·40 claims
- 0585US4488195AMagnetic head and method of producing sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Dec 11, 1984·28 cites·8 claims
- 0679US6562486B2Exchange coupling film, magnetoresistance effect device, magnetoresistance effective head and method for producing exchange coupling filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 13, 2003·20 cites·25 claims
- 0776US4437912AAmorphous magnetic alloysMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Mar 20, 1984·19 cites·4 claims
- 0870US3931642AMagnetic head and method of making the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1973·Granted Jan 6, 1976·11 cites·21 claims
- 0968US4288307AMethod of making a magnetic headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Sep 8, 1981·14 cites·13 claims
- 1065US5144060ABetaine esters of polyoxyalkylene etherLION CORP·Filed 1990·Granted Sep 1, 1992·27 cites·4 claims
- 1163US6757192B2Magnetic recording element, magnetic memory, magnetic recording method, method for fabricating a magnetic recording element, and method for fabricating a magnetic memoryUNIV HOKKAIDO·Filed 2002·Granted Jun 29, 2004·9 cites·18 claims
- 1260US4064224AMethod of making fibrous alkali titanatesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1976·Granted Dec 20, 1977·9 cites·14 claims
- 1357US4312683AMethod for heat-treating amorphous alloy filmsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Jan 26, 1982·10 cites·4 claims
- 1454US6750450B2Scanning magnetism detector and probeUNIV HOKKAIDO·Filed 2002·Granted Jun 15, 2004·4 cites·23 claims
- 1546US5358576AAmorphous materials with improved propertiesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Oct 25, 1994·6 cites·2 claims
- 1639US3954641AProcess for the preparation of sulfur modified ferromagnetic chromium oxideMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1973·Granted May 4, 1976·3 cites·4 claims
- 1732US3956151AMethod for producing a ferromagnetic chromium oxideMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1974·Granted May 11, 1976·1 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →