Inventor · disambiguated record
Koichi Aso
Also filed as: ASO KOICHI
16 granted patents·291 citations·filing 1978–1994
94Inventor score
Files withSONY CORP16
Top patents by PatentIndex Score
16 records- 0194US4640871AMagnetic material having high permeability in the high frequency rangeSONY CORP·Filed 1985·Granted Feb 3, 1987·68 cites·3 claims
- 0280US5057380ASoft magnetic thin films of alloys of feconi or fecody and laminates comprising alternate layers of face centered cubic and body centered cubic crystal structureSONY CORP·Filed 1988·Granted Oct 15, 1991·35 cites·5 claims
- 0376US4379004AMethod of manufacturing an amorphous magnetic alloySONY CORP·Filed 1980·Granted Apr 5, 1983·22 cites·7 claims
- 0476US4190438AAmorphous magnetic alloySONY CORP·Filed 1978·Granted Feb 26, 1980·18 cites·4 claims
- 0575US5331491AHigh-density magnetic recording and reproducing headSONY CORP·Filed 1992·Granted Jul 19, 1994·23 cites·8 claims
- 0675US4796241ADevice for producing a high frequency modulation magnetic field used in magneto-optical recordingSONY CORP·Filed 1987·Granted Jan 3, 1989·21 cites·5 claims
- 0774US4444602AMethod of manufacturing amorphous magnetic alloy ribbon and use for magnetostriction delay linesSONY CORP·Filed 1982·Granted Apr 24, 1984·15 cites·6 claims
- 0872US5400307AMagneto-optical recording medium with stacked layer structureSONY CORP·Filed 1994·Granted Mar 21, 1995·20 cites·16 claims
- 0967US4639278AMethod of manufacturing an amorphous magnetic alloySONY CORP·Filed 1983·Granted Jan 27, 1987·15 cites·7 claims
- 1061US4475962AAnnealing method for amorphous magnetic alloySONY CORP·Filed 1983·Granted Oct 9, 1984·12 cites·8 claims
- 1160US4473415AMethod of manufacturing an amorphous magnetic alloySONY CORP·Filed 1982·Granted Sep 25, 1984·10 cites·1 claims
- 1252US4311539AMethod of manufacturing a high permeability amorphous magnetic alloySONY CORP·Filed 1980·Granted Jan 19, 1982·9 cites·7 claims
- 1349US5322588AMethod for producing KTIOPO4 single crystalSONY CORP·Filed 1992·Granted Jun 21, 1994·8 cites·6 claims
- 1445US4707417AMagnetic composite filmSONY CORP·Filed 1985·Granted Nov 17, 1987·6 cites·2 claims
- 1544US5182690AFe-n-based soft magnetic thin films and magnetic heads using such filmsSONY CORP·Filed 1990·Granted Jan 26, 1993·8 cites·8 claims
- 1630US5266418AMagnetic recording mediumSONY CORP·Filed 1990·Granted Nov 30, 1993·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →