Inventor · disambiguated record
Kanji Nishii
Also filed as: NISHII KANJI
32 granted patents·1,108 citations·filing 1991–2001
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD32
Top patents by PatentIndex Score
32 records- 0196US6379017B2Illuminating systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 30, 2002·143 cites·7 claims
- 0292US6809829B1Method and apparatus for evaluating aberrations of optical element and method and apparatus for adjusting optical unit and lensMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 26, 2004·64 cites·49 claims
- 0392US5980054APanel-form illuminating systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Nov 9, 1999·104 cites·13 claims
- 0487US5748305AMethod and apparatus for particle inspectionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted May 5, 1998·92 cites·36 claims
- 0586US6068382APanel-form illuminating systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted May 30, 2000·65 cites·10 claims
- 0683US5119214AMethod for forming a computer generated hologramMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Jun 2, 1992·63 cites·2 claims
- 0780US5894345AOptical method of detecting defect and apparatus used thereinMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Apr 13, 1999·53 cites·7 claims
- 0878US5981941AOptical encorder for detection having a moving reference pointMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Nov 9, 1999·43 cites·58 claims
- 0978US5717485AForeign substance inspection apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Feb 10, 1998·54 cites·30 claims
- 1076US6154278AOptical encoder for optically measuring displacement of moving bodyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Nov 28, 2000·34 cites·25 claims
- 1174US5986727ABack light illuminator for liquid crystal display apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Nov 16, 1999·32 cites·10 claims
- 1272US5661295AOptical encoder with dual diffraction gratingsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Aug 26, 1997·25 cites·11 claims
- 1371US5532823AMethod of measuring optical characteristics of liquid crystal cells, measurement equipment therefor and method for manufacturing liquid crystal devicesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jul 2, 1996·33 cites·11 claims
- 1468US5627678AFourier transform optical apparatus and optical informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted May 6, 1997·33 cites·8 claims
- 1565US5526191AFourier transform lens assemblyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jun 11, 1996·23 cites·1 claims
- 1664US5696374AOptical encoder using doubled diffraction angle based on first and second diffraction gratingsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Dec 9, 1997·18 cites·8 claims
- 1761US5699153AMethod and apparatus for optical inspectionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Dec 16, 1997·23 cites·15 claims
- 1861US5153437AOptical encoder having a transparent lens plate with an array of lensesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Oct 6, 1992·18 cites·5 claims
- 1959US5497433AOptical information processing apparatus and method for using computer generated hologramMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Mar 5, 1996·24 cites·10 claims
- 2055US5754341APhase grating, its fabricating method, optical encoder, motor using the optical encoder, and robot using the motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted May 19, 1998·18 cites·13 claims
- 2155US5579136AOptical information processor employing a phase type spatial light modulatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Nov 26, 1996·19 cites·3 claims
- 2253US5696373AOptical encoder with dual diffraction gratingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Dec 9, 1997·11 cites·8 claims
- 2349US5343415ALogarithmic polar coordinate transforming method, vision recognizing method, and optical information processing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Aug 30, 1994·23 cites·5 claims
- 2448US5781269ADistance measuring method and distance sensorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 14, 1998·13 cites·13 claims
- 2547US5708488APhase type spatial light modulator having an output substantially uniform in amplitudeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jan 13, 1998·13 cites·1 claims
- 2647US5386378AOptical information processing apparatus and method using computer generated hologramMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Jan 31, 1995·10 cites·4 claims
- 2747US5383056AFourier transform lens assembly and optical information processor employing sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Jan 17, 1995·11 cites·3 claims
- 2846US5734472AMethod and appratus for measuring thickness of birefringence layerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Mar 31, 1998·11 cites·10 claims
- 2945US5694218AOptical encoder including a plurality of phase adjusting gratingsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Dec 2, 1997·10 cites·9 claims
- 3038US5999249APosition detecting element and range sensorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Dec 7, 1999·8 cites·4 claims
- 3137US6538749B1Method and apparatus for evaluating aberrations of optical element for use with optical device by using phase differences determined by overlapping two diffracted lights to form a sharing imageMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Mar 25, 2003·9 cites·16 claims
- 3229US5363455AOptical information processorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Nov 8, 1994·8 cites·4 claims
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