Inventor · disambiguated record
Hitoo Iwasa
Also filed as: IWASA HITOO
13 granted patents·241 citations·filing 1973–2005
92Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD10MATSUSHITA ELECTRONICS CORP2AAC TECHNOLOGIES JAPAN R & D CT CO LTD1
Top patents by PatentIndex Score
13 records- 0193US4965644APure green light emitting diodes and method of manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Oct 23, 1990·110 cites·5 claims
- 0285US4064525ANegative-resistance semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1976·Granted Dec 20, 1977·34 cites·5 claims
- 0365US4354453ASubstrate holder for liquid phase epitaxial growthMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Oct 19, 1982·14 cites·8 claims
- 0464US3992650AApparatus to prevent overcurrent or overvoltageMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1975·Granted Nov 16, 1976·15 cites·7 claims
- 0560US4256520AEtching of gallium stains in liquid phase epitoxyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted Mar 17, 1981·17 cites·6 claims
- 0657US4117587ANegative-resistance semiconductor deviceMATSUSHITA ELECTRONICS CORP·Filed 1976·Granted Oct 3, 1978·10 cites·4 claims
- 0756US3969697AVoltage drop warning apparatus with negative-resistance deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1974·Granted Jul 13, 1976·9 cites·4 claims
- 0851US8368096B2Solid state image pick-up device and method for manufacturing the same with increased structural integrityAAC TECHNOLOGIES JAPAN R & D CT CO LTD·Filed 2005·Granted Feb 5, 2013·2 cites·16 claims
- 0950US3991329ATouch-operation switchMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1975·Granted Nov 9, 1976·6 cites·20 claims
- 1048US3937949AOptical remote control apparatus employing light scattering plateMATSUSHITA ELECTRONICS CORP·Filed 1973·Granted Feb 10, 1976·8 cites·1 claims
- 1136US4268327AMethod for growing semiconductor epitaxial layersMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted May 19, 1981·8 cites·4 claims
- 1235US4671829AManufacturing green light emitting diodesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Jun 9, 1987·5 cites·2 claims
- 1330US4300960AMethod of making a light emitting diodeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Nov 17, 1981·3 cites·8 claims
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