Inventor · disambiguated record
Kiyotaka Wasa
Also filed as: WASA KIYOTAKA · YAMAZAKI OSAMU
37 granted patents·846 citations·filing 1974–2006
98Inventor score
Top patents by PatentIndex Score
37 records- 0197US4037176AMulti-layered substrate for a surface-acoustic-wave deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1976·Granted Jul 19, 1977·53 cites·17 claims
- 0297US4016061AMethod of making resistive filmsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1974·Granted Apr 5, 1977·115 cites·5 claims
- 0394US7053526B2Piezoelectric structure, liquid ejecting head and manufacturing method thereforCANON KK·Filed 2002·Granted May 30, 2006·44 cites·8 claims
- 0494US4535376AMagnetic 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
- 0591US7453188B2Dielectric element, piezoelectric element, ink jet head and ink jet recording apparatus and manufacturing method of sameCANON KK·Filed 2005·Granted Nov 18, 2008·12 cites·19 claims
- 0690US6653211B2Semiconductor substrate, SOI substrate and manufacturing method thereforCANON KK·Filed 2002·Granted Nov 25, 2003·42 cites·4 claims
- 0789US7120978B2Process of manufacturing a piezoelectric elementKIYOTAKA WASA·Filed 2001·Granted Oct 17, 2006·39 cites·12 claims
- 0887US7301261B2Dielectric element, piezoelectric element, ink jet head and ink jet recording apparatus and manufacturing method of sameCANON KK·Filed 2005·Granted Nov 27, 2007·9 cites·16 claims
- 0986US4342012ASurface acoustic wave deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Jul 27, 1982·29 cites·11 claims
- 1085US7045935B2Actuator and liquid discharge head, and method for manufacturing liquid discharge headCANON KK·Filed 2003·Granted May 16, 2006·26 cites·13 claims
- 1184US4276535AThermistorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Jun 30, 1981·27 cites·14 claims
- 1283US7069631B2Method for manufacturing a liquid ejecting headWASA KIYOTAKA·Filed 2005·Granted Jul 4, 2006·8 cites·7 claims
- 1383US4223286ASurface acoustic wave resonatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1978·Granted Sep 16, 1980·21 cites·8 claims
- 1482US4315960AMethod of making a thin filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Feb 16, 1982·38 cites·6 claims
- 1580US3988232AMethod of making crystal filmsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1975·Granted Oct 26, 1976·26 cites·13 claims
- 1677US4553099AElectrostatic voltage sensorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Nov 12, 1985·30 cites·5 claims
- 1777US4501987ASurface acoustic wave transducer using a split-finger electrode on a multi-layered substrateMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Feb 26, 1985·20 cites·1 claims
- 1875US4354130ASurface acoustic wave device using a multi-layer substrate including α2 O3, SiO and ZnOMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Oct 12, 1982·18 cites·16 claims
- 1974US4980339ASuperconductor structureMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Dec 25, 1990·33 cites·8 claims
- 2072US5047390AJosephson devices and process for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Sep 10, 1991·30 cites·4 claims
- 2169US6841490B2Semiconductor substrate, SOI substrate and manufacturing method thereforCANON KK·Filed 2003·Granted Jan 11, 2005·10 cites·4 claims
- 2268US7618131B2Structure of piezoelectric element and liquid discharge recording head, and method of manufacture thereforCANON KK·Filed 2006·Granted Nov 17, 2009·2 cites·1 claims
- 2368US4844785AMethod for deposition of hard carbon filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Jul 4, 1989·34 cites·6 claims
- 2468US4288307AMethod of making a magnetic headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Sep 8, 1981·14 cites·13 claims
- 2562US4715680AOptical switchMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Dec 29, 1987·21 cites·18 claims
- 2658US4796982AOptical valveMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Jan 10, 1989·17 cites·15 claims
- 2758US4052738AStylus for capacitive videodiscMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1975·Granted Oct 4, 1977·16 cites·3 claims
- 2854US4458346APickup stylusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Jul 3, 1984·9 cites·29 claims
- 2947US4510443AVoltage measuring deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Apr 9, 1985·9 cites·3 claims
- 3045US3964033AElectrooptic storage deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1974·Granted Jun 15, 1976·5 cites·8 claims
- 3142US4770923AProtection film structure for functional devicesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Sep 13, 1988·13 cites·5 claims
- 3242US4236095ASurface acoustic wave device comprising piezoelectric substrate having zinc oxide layer on α-alumina layerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted Nov 25, 1980·6 cites·3 claims
- 3341US5145830AMethod for manufacturing thin film oxide superconductors and superconductor devices by x-ray irradiationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Sep 8, 1992·5 cites·9 claims
- 3437US4428909AEnvironmental condition sensorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Jan 31, 1984·9 cites·12 claims
- 3535US4610894AMethod of manufacturing surface acoustic wave deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Sep 9, 1986·4 cites·6 claims
- 3631US5527767AMethod for annealing thin film superconductorsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jun 18, 1996·4 cites·17 claims
- 3724US4363990ASurface acoustic wave transducerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Dec 14, 1982·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →