Inventor · disambiguated record
Takao Okada
Also filed as: OKADA TAKAO
69 granted patents·3 pending applications·2,983 citations·filing 1976–2025
99Inventor score
Files withOLYMPUS OPTICAL CO32MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20TAKASAGO THERMAL ENGINEERING4SUBARU CORP3FUJI ELECTRIC CO LTD2
Top patents by PatentIndex Score
72 records- 0199US4795248ALiquid crystal eyeglassOLYMPUS OPTICAL CO·Filed 1985·Granted Jan 3, 1989·274 cites·14 claims
- 0298US4919520ALiquid crystal eyeglassOLYMPUS OPTICAL CO·Filed 1988·Granted Apr 24, 1990·271 cites·23 claims
- 0398US4904063ALiquid crystal lenses having a Fresnel lensOLYMPUS OPTICAL CO·Filed 1988·Granted Feb 27, 1990·259 cites·8 claims
- 0498US4756605ALiquid crystal spectaclesOLYMPUS OPTICAL CO·Filed 1986·Granted Jul 12, 1988·325 cites·10 claims
- 0593US5289004AScanning probe microscope having cantilever and detecting sample characteristics by means of reflected sample examination lightOLYMPUS OPTICAL CO·Filed 1992·Granted Feb 22, 1994·154 cites·19 claims
- 0692US6352578B1Air cleaning filter, process for preparing the same, and high-level cleanerTAKASAGO THERMAL ENGINEERING·Filed 1998·Granted Mar 5, 2002·124 cites·26 claims
- 0792US5245863AAtomic probe microscopeOLYMPUS OPTICAL CO·Filed 1991·Granted Sep 21, 1993·110 cites·26 claims
- 0890US5394741AAtomic probe microscopeOLYMPUS OPTICAL CO·Filed 1992·Granted Mar 7, 1995·94 cites·27 claims
- 0990US5036490AMemory device with dual cantilever meansOLYMPUS OPTICAL CO·Filed 1989·Granted Jul 30, 1991·40 cites·13 claims
- 1089US5260824AAtomic force microscopeOLYMPUS OPTICAL CO·Filed 1990·Granted Nov 9, 1993·103 cites·9 claims
- 1189USD265821SCombined cassette recorder and radio receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Aug 17, 1982·27 cites·1 claims
- 1288US6120584AAir cleaning apparatus, air filter and method for manufacturing the sameTAKASAGO THERMAL ENGINEERING·Filed 1998·Granted Sep 19, 2000·81 cites·25 claims
- 1388US5047892AApparatus for removing static electricity from charged articles existing in clean spaceTAKASAGO THERMAL ENGINEERING·Filed 1989·Granted Sep 10, 1991·67 cites·15 claims
- 1486US4735323AOuter appearance quality inspection systemIKEGAMI TSUSHINKI KK·Filed 1985·Granted Apr 5, 1988·59 cites·38 claims
- 1584US5138159AScanning tunneling microscopeOLYMPUS OPTICAL CO·Filed 1991·Granted Aug 11, 1992·67 cites·8 claims
- 1682US5057966AApparatus for removing static electricity from charged articles existing in clean spaceTAKASAGO THERMAL ENGINEERING·Filed 1989·Granted Oct 15, 1991·46 cites·16 claims
- 1781US6732838B1Power supply for ac elevatorFUJITEC KK·Filed 2000·Granted May 11, 2004·62 cites·33 claims
- 1881US4492745APhotosensitive member for electrophotography with mirror finished supportOLYMPUS OPTICAL CO·Filed 1983·Granted Jan 8, 1985·21 cites·2 claims
- 1980USD538790SRemote controller for LCD video projectorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Mar 20, 2007·26 cites·1 claims
- 2079US4877957AScanning type tunnel microscopeOLYMPUS OPTICAL CO·Filed 1987·Granted Oct 31, 1989·40 cites·19 claims
- 2178US5266502ASTM memory mediumOLYMPUS OPTICAL CO·Filed 1991·Granted Nov 30, 1993·26 cites·2 claims
- 2278US5083022AScanning tunneling microscopeOLYMPUS OPTICAL CO·Filed 1990·Granted Jan 21, 1992·48 cites·13 claims
- 2378US5079958ASensor having a cantileverOLYMPUS OPTICAL CO·Filed 1990·Granted Jan 14, 1992·41 cites·16 claims
- 2478US4987303AMicro-displacement detector device, piezo-actuator provided with the micro-displacement detector device and scanning probe microscope provided with the piezo-actuatorOLYMPUS OPTICAL CO·Filed 1990·Granted Jan 22, 1991·38 cites·8 claims
- 2577US10408766B2Inspection device and inspection systemBOSCH PACKAGING TECH K K·Filed 2016·Granted Sep 10, 2019·2 cites·8 claims
- 2677US7247020B2Drill set for dental screw implant fixture with self-tapG C DENTAL IND CORP·Filed 2003·Granted Jul 24, 2007·35 cites·2 claims
- 2775US5206702ATechnique for canceling the effect of external vibration on an atomic force microscopeOLYMPUS OPTICAL CO·Filed 1990·Granted Apr 27, 1993·41 cites·8 claims
- 2875USD261765SDigital clock radioMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1978·Granted Nov 10, 1981·11 cites·1 claims
- 2974USD276913SRadio receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Dec 25, 1984·12 cites·1 claims
- 3074USD273379SCombined portable radio and cassette tape recorderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Apr 10, 1984·13 cites·1 claims
- 3173US5041783AProbe unit for an atomic probe microscopeOLYMPUS OPTICAL CO·Filed 1990·Granted Aug 20, 1991·35 cites·17 claims
- 3273USD262700SCombined cassette recorder and radio receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted Jan 19, 1982·10 cites·1 claims
- 3372US4513316AAutomatic surface inspection systemDAINIPPON PRINTING CO LTD·Filed 1982·Granted Apr 23, 1985·27 cites·16 claims
- 3471USD262536SRadio receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Jan 5, 1982·12 cites·1 claims
- 3570US7882937B2Elevating machine control apparatusFUJITEC KK·Filed 2006·Granted Feb 8, 2011·8 cites·8 claims
- 3669USD273010SPortable radioMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Mar 13, 1984·12 cites·1 claims
- 3768US5296704AScanning tunneling microscopeOLYMPUS OPTICAL CO·Filed 1992·Granted Mar 22, 1994·31 cites·11 claims
- 3867USD537814SRemote controller for LCD video projectorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Mar 6, 2007·15 cites·1 claims
- 3967USD273382SRadio receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Apr 10, 1984·9 cites·1 claims
- 4066US5091795AOptical low-pass filter without using polarizersOLYMPUS OPTICAL CO·Filed 1990·Granted Feb 25, 1992·26 cites·29 claims
- 4163US6194148B1Method for detecting a hybridized nucleic acid moleculeOLYMPUS OPTICAL CO·Filed 1998·Granted Feb 27, 2001·39 cites·25 claims
- 4263US5227626ALithography apparatus using scanning tunneling microscopyOLYMPUS OPTICAL CO·Filed 1992·Granted Jul 13, 1993·34 cites·16 claims
- 4363USD276610SRadio receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Dec 4, 1984·8 cites·1 claims
- 4461US4350947ASystem for predicting desynchronization of a synchronous machineFUJI ELECTRIC CO LTD·Filed 1980·Granted Sep 21, 1982·17 cites·8 claims
- 4561USD256359SPortable radioMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1978·Granted Aug 12, 1980·6 cites·1 claims
- 4660USD505667SCombined audio memory card player and digital audio disc playerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 31, 2005·11 cites·1 claims
- 4760USD277751SCombined tape recorder and radio receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Feb 26, 1985·9 cites·1 claims
- 4859US8528200B2Printed wiring board and method for manufacturing printed wiring boardTAKADA MASARU·Filed 2010·Granted Sep 10, 2013·1 cites·19 claims
- 4959US4730120AAutomatic locking device for automobile doorOKADA TAKAO·Filed 1986·Granted Mar 8, 1988·23 cites·5 claims
- 5059US2025237728A1Sensor position determination methodSUBARU CORP·Filed 2025·Application pending·0 cites
Showing the top 50 of 72 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →