Inventor
OKADA TAKAO
JP75 patents
⚠️ This page may combine multiple inventors who share the name “OKADA TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS OPTICAL CO
28 patentsUS4919520AApr 24, 1990
Liquid crystal eyeglass
OLYMPUS OPTICAL CO271 citations99
US4904063AFeb 27, 1990
Liquid crystal lenses having a Fresnel lens
OLYMPUS OPTICAL CO259 citations99
US4795248AJan 3, 1989
Liquid crystal eyeglass
OLYMPUS OPTICAL CO274 citations99
US4756605AJul 12, 1988
Liquid crystal spectacles
OLYMPUS OPTICAL CO325 citations99
US5289004AFeb 22, 1994
Scanning probe microscope having cantilever and detecting sample characteristics by means of reflected sample examination light
OLYMPUS OPTICAL CO154 citations98
US5394741AMar 7, 1995
Atomic probe microscope
OLYMPUS OPTICAL CO94 citations96
US5245863ASep 21, 1993
Atomic probe microscope
OLYMPUS OPTICAL CO110 citations96
US5138159AAug 11, 1992
Scanning tunneling microscope
OLYMPUS OPTICAL CO67 citations96
US5260824ANov 9, 1993
Atomic force microscope
OLYMPUS OPTICAL CO103 citations95
US5266502ANov 30, 1993
STM memory medium
OLYMPUS OPTICAL CO26 citations93
US5227626AJul 13, 1993
Lithography apparatus using scanning tunneling microscopy
OLYMPUS OPTICAL CO34 citations93
US5206702AApr 27, 1993
Technique for canceling the effect of external vibration on an atomic force microscope
OLYMPUS OPTICAL CO41 citations93
US5036490AJul 30, 1991
Memory device with dual cantilever means
OLYMPUS OPTICAL CO40 citations93
US6194148B1Feb 27, 2001
Method for detecting a hybridized nucleic acid molecule
OLYMPUS OPTICAL CO39 citations92
US5296704AMar 22, 1994
Scanning tunneling microscope
OLYMPUS OPTICAL CO31 citations92
US5091795AFeb 25, 1992
Optical low-pass filter without using polarizers
OLYMPUS OPTICAL CO26 citations92
US5083022AJan 21, 1992
Scanning tunneling microscope
OLYMPUS OPTICAL CO48 citations92
US5041783AAug 20, 1991
Probe unit for an atomic probe microscope
OLYMPUS OPTICAL CO35 citations92
US4987303AJan 22, 1991
Micro-displacement detector device, piezo-actuator provided with the micro-displacement detector device and scanning probe microscope provided with the piezo-actuator
OLYMPUS OPTICAL CO38 citations92
US4877957AOct 31, 1989
Scanning type tunnel microscope
OLYMPUS OPTICAL CO40 citations92
US5079958AJan 14, 1992
Sensor having a cantilever
OLYMPUS OPTICAL CO41 citations90
US4492745AJan 8, 1985
Photosensitive member for electrophotography with mirror finished support
OLYMPUS OPTICAL CO21 citations82
US4813016AMar 14, 1989
Tunnel memory device having a multi-layered Langmuir-Blodgett film
OLYMPUS OPTICAL CO14 citations74
US4537846AAug 27, 1985
Multiconductive layer electrophotographic photosensitive device and method of manufacture thereof
OLYMPUS OPTICAL CO8 citations74
US5378983AJan 3, 1995
Scanning tunneling potentio-spectroscopic microscope and a data detecting method
OLYMPUS OPTICAL CO8 citations73
US5185572AFeb 9, 1993
Scanning tunneling potentio-spectroscopic microscope and a data detecting method
OLYMPUS OPTICAL CO13 citations73
US5059793AOct 22, 1991
Scanning tunneling microscope having proper servo control function
OLYMPUS OPTICAL CO17 citations73
US5025153AJun 18, 1991
Scanning tunneling spectroscope and a spectroscopic information detection method
OLYMPUS OPTICAL CO8 citations73
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
9 patentsUSD538790SMar 20, 2007
Remote controller for LCD video projector
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations93
USD537814SMar 6, 2007
Remote controller for LCD video projector
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations84
USD265821SAug 17, 1982
Combined cassette recorder and radio receiver
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations81
USD505667SMay 31, 2005
Combined audio memory card player and digital audio disc player
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
USD276913SDec 25, 1984
Radio receiver
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations74
USD273379SApr 10, 1984
Combined portable radio and cassette tape recorder
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations74
USD273382SApr 10, 1984
Radio receiver
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
USD262700SJan 19, 1982
Combined cassette recorder and radio receiver
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
USD261765SNov 10, 1981
Digital clock radio
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
TAKASAGO THERMAL ENGINEERING
4 patentsUS6352578B1Mar 5, 2002
Air cleaning filter, process for preparing the same, and high-level cleaner
TAKASAGO THERMAL ENGINEERING124 citations97
US6120584ASep 19, 2000
Air cleaning apparatus, air filter and method for manufacturing the same
TAKASAGO THERMAL ENGINEERING81 citations95
US5047892ASep 10, 1991
Apparatus for removing static electricity from charged articles existing in clean space
TAKASAGO THERMAL ENGINEERING67 citations95
US5057966AOct 15, 1991
Apparatus for removing static electricity from charged articles existing in clean space
TAKASAGO THERMAL ENGINEERING46 citations92
TAKI CHEMICAL
2 patentsIKEGAMI TSUSHINKI KK
2 patentsFUJITEC KK
2 patentsDAINIPPON PRINTING CO LTD
1 patentG C DENTAL IND CORP
1 patentOKADA TAKAO
1 patentShowing the top 50 of 75 patents by PatentIndex Score.