Inventor · disambiguated record
Yoshimasa Murayama
Also filed as: MURAYAMA YOSHIMASA
12 granted patents·159 citations·filing 1982–2000
91Inventor score
Top patents by PatentIndex Score
12 records- 0186US4433202AThin film solar cellHITACHI LTD·Filed 1982·Granted Feb 21, 1984·46 cites·12 claims
- 0268US4673959AHeterojunction FET with doubly-doped channelHITACHI LTD·Filed 1984·Granted Jun 16, 1987·20 cites·15 claims
- 0360US4605945ASemiconductor deviceHITACHI LTD·Filed 1984·Granted Aug 12, 1986·15 cites·22 claims
- 0459US4967141AMethod of taking out and storing energy in a superconductive ring or coilHITACHI LTD·Filed 1988·Granted Oct 30, 1990·12 cites·17 claims
- 0558US5003366AHetero-junction bipolar transistorHITACHI LTD·Filed 1990·Granted Mar 26, 1991·20 cites·5 claims
- 0653US4796068ASemiconductor device having ultrahigh-mobilityHITACHI LTD·Filed 1987·Granted Jan 3, 1989·14 cites·31 claims
- 0750US4559547ASemiconductor deviceHITACHI LTD·Filed 1982·Granted Dec 17, 1985·10 cites·21 claims
- 0843US4759030ASemiconductor laserHITACHI LTD·Filed 1986·Granted Jul 19, 1988·6 cites·6 claims
- 0941US4785340ASemiconductor device having doping multilayer structureAGENCY IND SCIENCE TECHN·Filed 1986·Granted Nov 15, 1988·11 cites·6 claims
- 1032US6153500AAtomic wire and atomic wire switchHITACHI LTD·Filed 2000·Granted Nov 28, 2000·0 cites·4 claims
- 1132US6114762AAtomic wire and atomic wire switchHITACHI LTD·Filed 1997·Granted Sep 5, 2000·2 cites·10 claims
- 1231US6525336B1Superfine electronic device and method for making sameHITACHI LTD·Filed 1995·Granted Feb 25, 2003·3 cites·40 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →