Inventor · disambiguated record
Yukihisa Tsukada
Also filed as: TSUKADA YUKIHISA
5 granted patents·148 citations·filing 1981–1988
82Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0194US4791719AMethod of manufacturing a thin-film magnetic headHITACHI LTD·Filed 1987·Granted Dec 20, 1988·92 cites·19 claims
- 0275US4443294AProcess for forming magnetic film patternHITACHI LTD·Filed 1982·Granted Apr 17, 1984·18 cites·14 claims
- 0371US4860140AMagnetic head closure having ferrite substrate and closure and conductive thin film coil deposited in recess of substantially same shape in ferrite substrateHITACHI LTD·Filed 1988·Granted Aug 22, 1989·19 cites·14 claims
- 0464US4462881AMethod of forming a multilayer thin filmHITACHI LTD·Filed 1981·Granted Jul 31, 1984·12 cites·19 claims
- 0544US4411757AFormation of electrodes for magnetoresistive sensorHITACHI LTD·Filed 1982·Granted Oct 25, 1983·7 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →