Inventor · disambiguated record
Kazuhiko Matsuoka
Also filed as: MATSUOKA KAZUHIKO
51 granted patents·1 pending application·1,164 citations·filing 1980–2022
99Inventor score
Top patents by PatentIndex Score
52 records- 0193US5463459AMethod and apparatus for analyzing the state of generation of foreign particles in semiconductor fabrication processHITACHI LTD·Filed 1993·Granted Oct 31, 1995·145 cites·39 claims
- 0292US4872743AVarifocal optical elementCANON KK·Filed 1988·Granted Oct 10, 1989·92 cites·9 claims
- 0391US7177020B2Method and apparatus for analyzing the state of generation of foreign particles in semiconductor fabrication processRENESAS TECH CORP·Filed 2005·Granted Feb 13, 2007·15 cites·19 claims
- 0489US5267226AOptical information recording and reproducing apparatus with switchable spot-functionsCANON KK·Filed 1993·Granted Nov 30, 1993·48 cites·18 claims
- 0588US6462866B1Imaging optical system and original reading apparatusCANON KK·Filed 2000·Granted Oct 8, 2002·42 cites·8 claims
- 0687US5841893AInspection data analyzing systemHITACHI LTD·Filed 1992·Granted Nov 24, 1998·76 cites·12 claims
- 0786US4842396ALight modulation element and light modulation apparatusCANON KK·Filed 1985·Granted Jun 27, 1989·40 cites·29 claims
- 0885US4787075AOptical information recording medium and apparatus for recording/reproducing information using the sameCANON KK·Filed 1985·Granted Nov 22, 1988·32 cites·19 claims
- 0984US6376758B1Electronic score tracking musical instrumentROLAND CORP·Filed 2000·Granted Apr 23, 2002·35 cites·27 claims
- 1084US4729641AFunctional optical element having a non-flat planar interface with variable-index mediumCANON KK·Filed 1987·Granted Mar 8, 1988·55 cites·9 claims
- 1181US6333455B1Electronic score tracking musical instrumentROLAND CORP·Filed 2000·Granted Dec 25, 2001·32 cites·20 claims
- 1281US5420848AOptical system for optical information recording/reproducing apparatus having a galvano mirrorCANON KK·Filed 1994·Granted May 30, 1995·29 cites·12 claims
- 1381US5010534AOptical information recording-reproducing apparatusCANON KK·Filed 1989·Granted Apr 23, 1991·25 cites·7 claims
- 1479US11340242B2Quality control method, quality control system, management apparatus, analyzer, and quality control abnormality determination methodSYSMEX CORP·Filed 2019·Granted May 24, 2022·1 cites·23 claims
- 1578US7375275B2Electronic instrument and reproduction systemROLAND CORP·Filed 2006·Granted May 20, 2008·12 cites·11 claims
- 1678US4379612AScanning optical system having a fall-down correcting functionCANON KK·Filed 1980·Granted Apr 12, 1983·33 cites·7 claims
- 1777US4848879ALight modulating deviceCANON KK·Filed 1987·Granted Jul 18, 1989·39 cites·19 claims
- 1877US4447112AScanning optical system having a tilting correcting functionCANON KK·Filed 1982·Granted May 8, 1984·31 cites·8 claims
- 1975US4585296AScanning optical system having a tilting correcting functionCANON KK·Filed 1984·Granted Apr 29, 1986·28 cites·10 claims
- 2074US11933796B2Quality control method, quality control system, management apparatus, analyzer, and quality control abnormality determination methodSYSMEX CORP·Filed 2022·Granted Mar 19, 2024·0 cites·22 claims
- 2174US6330352B1Inspection data analyzing systemHITACHI LTD·Filed 2000·Granted Dec 11, 2001·11 cites·2 claims
- 2273US4751394AApparatus for recording and/or reproducing information using a card-like recording mediumCANON KK·Filed 1986·Granted Jun 14, 1988·18 cites·4 claims
- 2372US6628817B2Inspection data analyzing systemHITACHI LTD·Filed 2001·Granted Sep 30, 2003·9 cites·25 claims
- 2471US6894773B2Method and apparatus for analyzing the state of generation of foreign particles in semiconductor fabrication processRENESAS TECH CORP·Filed 2001·Granted May 17, 2005·11 cites·27 claims
- 2571US6529619B2Inspection data analyzing systemHITACHI LTD·Filed 2001·Granted Mar 4, 2003·9 cites·3 claims
- 2670US6650409B1Semiconductor device producing method, system for carrying out the same and semiconductor work processing apparatus included in the same systemHITACHI LTD·Filed 1996·Granted Nov 18, 2003·39 cites·49 claims
- 2768US6339653B1Inspection data analyzing systemHITACHI LTD·Filed 2000·Granted Jan 15, 2002·7 cites·12 claims
- 2868US4973836AOptical pickup device including a beam splitter having an inclined planeCANON KK·Filed 1990·Granted Nov 27, 1990·17 cites·34 claims
- 2966US4523801AScanning optical system subjected to a moisture proof treatmentCANON KK·Filed 1982·Granted Jun 18, 1985·21 cites·5 claims
- 3063US7963792B2Plug detachment prevention structureROLAND CORP·Filed 2010·Granted Jun 21, 2011·4 cites·20 claims
- 3163US4670137AImpurity detectorHITACHI LTD·Filed 1986·Granted Jun 2, 1987·22 cites·15 claims
- 3260US4922351AOptical information recording and reproducing apparatusCANON KK·Filed 1988·Granted May 1, 1990·11 cites·29 claims
- 3359US6185322B1Inspection system and method using separate processors for processing different information regarding a workpiece such as an electronic deviceHITACHI LTD·Filed 1997·Granted Feb 6, 2001·15 cites·14 claims
- 3458US4443055AScanning optical system having a tilting correcting functionCANON KK·Filed 1982·Granted Apr 17, 1984·15 cites·6 claims
- 3556US4912697AApparatus and method for preventing recording errors due to a reduction in the relative speed between an information carrying light beam and a recording mediumCANON KK·Filed 1988·Granted Mar 27, 1990·9 cites·16 claims
- 3655US5289313AOptical head using semiconductor laser array as light sourceCANON KK·Filed 1992·Granted Feb 22, 1994·18 cites·40 claims
- 3752US5247505AInformation recording method for reciprocally recording and verifying informationCANON KK·Filed 1992·Granted Sep 21, 1993·9 cites·4 claims
- 3852US4932763AAspherical single lens system for use with optical cardsCANON KK·Filed 1989·Granted Jun 12, 1990·14 cites·3 claims
- 3951US5517480AMagneto-optical information reproducing apparatus that splits a light beam into at least three light beams advancing in the same directionCANON KK·Filed 1995·Granted May 14, 1996·16 cites·26 claims
- 4051US5119356AInformation recording and reproducing apparatus including detection of whether an information recording medium has been normally loaded into the apparatusCANON KK·Filed 1991·Granted Jun 2, 1992·8 cites·11 claims
- 4148US6289134B1Image read method and apparatus for optimizing shading conditionsCANON KK·Filed 1997·Granted Sep 11, 2001·12 cites·20 claims
- 4246US4979807ABiaspherical single lens for an optical information recording-reproducing apparatusCANON KK·Filed 1990·Granted Dec 25, 1990·12 cites·4 claims
- 4346US4517589AColored image reading apparatusCANON KK·Filed 1982·Granted May 14, 1985·7 cites·6 claims
- 4445US6525764B2Image read method for performing image signal processes complying with the color of a reference portion of a recording medium, and image read apparatus adopting the methodCANON KK·Filed 1997·Granted Feb 25, 2003·10 cites·14 claims
- 4544US6288734B1Scanning optical device and image forming apparatus using the sameCANON KK·Filed 2000·Granted Sep 11, 2001·2 cites·13 claims
- 4644US5018123AOptical information recording medium and method for recording information on said medium and reproducing information therefromCANON KK·Filed 1989·Granted May 21, 1991·9 cites·23 claims
- 4741US2002034326A1Inspection data analyzing systemFiled 2001·Application pending·0 cites
- 4840US4641920AOptical element having the function of changing the cross-sectional intensity distribution of a light beamCANON KK·Filed 1984·Granted Feb 10, 1987·8 cites·9 claims
- 4937US4865426AVariable aberration imaging optical systemCANON KK·Filed 1988·Granted Sep 12, 1989·6 cites·6 claims
- 5033US5490129AOptical head and optical information reading apparatusCANON KK·Filed 1993·Granted Feb 6, 1996·2 cites·4 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →