Inventor · disambiguated record
Masashi Okamoto
Also filed as: OKAMOTO MASASHI
86 granted patents·22 pending applications·792 citations·filing 1982–2024
99Inventor score
Top patents by PatentIndex Score
108 records- 0189US6597118B2High-pressure mercury lamp luminescent device and means of ignitionUSHIO ELECTRIC INC·Filed 2001·Granted Jul 22, 2003·34 cites·10 claims
- 0287US12071728B2Method for manufacturing paper barrier base materialJUJO PAPER CO LTD·Filed 2020·Granted Aug 27, 2024·2 cites·15 claims
- 0386US6919686B2Discharge lamp having an auxiliary light source to produce light with a short wavelengthUSHIO ELECTRIC INC·Filed 2003·Granted Jul 19, 2005·23 cites·8 claims
- 0485US8950873B2Light source apparatus and projectorUSHIO ELECTRIC INC·Filed 2013·Granted Feb 10, 2015·6 cites·9 claims
- 0585US7365497B2Discharge lamp ignition device and projectorUSHIO ELECTRIC INC·Filed 2007·Granted Apr 29, 2008·14 cites·17 claims
- 0685US6495972B1Dielectric barrier discharge lamp light sourceUSHIO ELECTRIC INC·Filed 2000·Granted Dec 17, 2002·36 cites·11 claims
- 0783US7355355B2Discharge lamp lighting apparatusUSHIO ELECTRIC INC·Filed 2007·Granted Apr 8, 2008·9 cites·5 claims
- 0882US7845805B2Discharge lamp lighting apparatus and projectorUSHIO ELECTRIC INC·Filed 2007·Granted Dec 7, 2010·9 cites·13 claims
- 0982US7301289B2Discharge lamp lighting control deviceUSHIO ELECTRIC INC·Filed 2006·Granted Nov 27, 2007·10 cites·3 claims
- 1081US5763999ALight source device using a double-tube dielectric barrier discharge lamp and output stabilizing power sourceUSHIO ELECTRIC INC·Filed 1995·Granted Jun 9, 1998·38 cites·4 claims
- 1180US6646391B2Light source device of a dielectric barrier discharge lampUSHIO ELECTRIC INC·Filed 2002·Granted Nov 11, 2003·15 cites·5 claims
- 1279US7239090B2Discharge lamp lighting apparatusUSHIO ELECTRIC INC·Filed 2006·Granted Jul 3, 2007·9 cites·14 claims
- 1377US8960927B2Coherent light source apparatus and projectorUSHIO ELECTRIC INC·Filed 2012·Granted Feb 24, 2015·3 cites·13 claims
- 1477US7332868B2Discharge lamp lighting deviceUSHIO ELECTRIC INC·Filed 2006·Granted Feb 19, 2008·6 cites·7 claims
- 1577US6871000B1Plastic optical fiber, optical fiber cable, plugged optical fiber cable, and production methods thereofMITSUBISHI RAYON CO·Filed 2000·Granted Mar 22, 2005·18 cites·34 claims
- 1677US6661184B2Light source deviceUSHIO ELECTRIC INC·Filed 2002·Granted Dec 9, 2003·21 cites·15 claims
- 1777US6605906B2Light source deviceUSHIO ELECTRIC INC·Filed 2002·Granted Aug 12, 2003·26 cites·2 claims
- 1876US6373192B1Dielectric barrier discharge lamp and irradiation deviceUSHIO ELECTRIC INC·Filed 2000·Granted Apr 16, 2002·12 cites·2 claims
- 1975US10882676B2Paper barrier materialJUJO PAPER CO LTD·Filed 2017·Granted Jan 5, 2021·2 cites·20 claims
- 2075US9874330B2Light projection device and head lamp for vehicleUSHIO ELECTRIC INC·Filed 2015·Granted Jan 23, 2018·2 cites·12 claims
- 2175US4781832AHollow-fiber filter moduleMITSUBISHI RAYON CO·Filed 1987·Granted Nov 1, 1988·30 cites·8 claims
- 2274US7567041B2Discharge lamp lighting apparatus and projectorUSHIO ELECTRIC INC·Filed 2007·Granted Jul 28, 2009·5 cites·13 claims
- 2373US10191362B2Light source unit and projectorUSHIO ELECTRIC INC·Filed 2017·Granted Jan 29, 2019·2 cites·9 claims
- 2473US8294390B2Discharge lamp lighting apparatusSAMEJIMA TAKANORI·Filed 2010·Granted Oct 23, 2012·4 cites·3 claims
- 2573US7847492B2Discharge lamp lighting apparatus and projectorUSHIO ELECTRIC INC·Filed 2007·Granted Dec 7, 2010·4 cites·9 claims
- 2673US6552502B2Light source deviceUSHIO ELECTRIC INC·Filed 2002·Granted Apr 22, 2003·20 cites·6 claims
- 2773US4556918AMethod and apparatus for generating screened halftone imagesSAKATA SHOKAI LTD·Filed 1983·Granted Dec 3, 1985·24 cites·4 claims
- 2872US7332874B2Discharge lamp ignition deviceUSHIO ELECTRIC INC·Filed 2007·Granted Feb 19, 2008·4 cites·5 claims
- 2972US6376998B1Feeding device for discharge lampUSHIO ELECTRIC INC·Filed 2000·Granted Apr 23, 2002·16 cites·6 claims
- 3071US9488849B2Coherent light source device and projectorUSHIO ELECTRIC INC·Filed 2013·Granted Nov 8, 2016·2 cites·5 claims
- 3171US8030618B2Pellet for use in spectrometry, method of preparing the same, and method of spectrometryARKRAY INC·Filed 2008·Granted Oct 4, 2011·2 cites·11 claims
- 3271US6734643B2Light source deviceUSHIO ELECTRIC INC·Filed 2002·Granted May 11, 2004·17 cites·19 claims
- 3371US6483253B1Light sourceUSHIO ELECTRIC INC·Filed 2000·Granted Nov 19, 2002·20 cites·5 claims
- 3471US4720342AHollow-fiber filter module with filtrate conduitMITSUBISHI RAYON CO·Filed 1985·Granted Jan 19, 1988·28 cites·5 claims
- 3570US6445137B1Dielectric barrier discharge lamp apparatusUSHIO ELECTRIC INC·Filed 1999·Granted Sep 3, 2002·31 cites·3 claims
- 3670US5759866ADevice and method for assaying biological components in sampleNIHON MEDIPHYSICS CO LTD·Filed 1996·Granted Jun 2, 1998·38 cites·16 claims
- 3769US6946807B2Lamp lighting apparatus for a discharge lampUSHIO ELECTRIC INC·Filed 2003·Granted Sep 20, 2005·13 cites·6 claims
- 3869US5936358ADielectric barrier discharge deviceUSHIO ELECTRIC INC·Filed 1997·Granted Aug 10, 1999·21 cites·11 claims
- 3968US9380686B2Discharge lamp lighting apparatus and projectorUSHIO ELECTRIC INC·Filed 2013·Granted Jun 28, 2016·2 cites·9 claims
- 4068US8358079B2Discharge lamp light apparatusUSHIO ELECTRIC INC·Filed 2010·Granted Jan 22, 2013·2 cites·11 claims
- 4168US6503624B2Carbon fiber precursor fiber bundle and manufacturing method of the sameMITSUBISHI RAYON CO·Filed 2001·Granted Jan 7, 2003·7 cites·17 claims
- 4267US11787174B2Non-transitory computer-readable medium storing computer-readable instructions, print device, and print data creation methodBROTHER IND LTD·Filed 2021·Granted Oct 17, 2023·0 cites·14 claims
- 4366US6759811B2Light source deviceUSHIO ELECTRIC INC·Filed 2002·Granted Jul 6, 2004·10 cites·14 claims
- 4465US6356033B1Light source using dielectric barrier discharge lamp, and power supplyUSHIO ELECTRIC INC·Filed 1999·Granted Mar 12, 2002·26 cites·6 claims
- 4564US9749603B2Projector light source unit having intensity controllerUSHIO ELECTRIC INC·Filed 2015·Granted Aug 29, 2017·1 cites·11 claims
- 4664US6894437B2Light source deviceUSHIO ELECTRIC INC·Filed 2002·Granted May 17, 2005·10 cites·2 claims
- 4762US10267348B2Bolt for peeling coating filmAOYAMA SEISAKUSHO·Filed 2017·Granted Apr 23, 2019·1 cites·6 claims
- 4862US9615069B2Light source unit and projectorUSHIO ELECTRIC INC·Filed 2015·Granted Apr 4, 2017·1 cites·7 claims
- 4962US9581885B2Light source apparatus and projectorUSHIO ELECTRIC INC·Filed 2013·Granted Feb 28, 2017·1 cites·15 claims
- 5061US6524862B2Complex of lipoprotein with hemoglobin or hemoglobin analogARKRAY INC·Filed 2001·Granted Feb 25, 2003·2 cites·6 claims
Showing the top 50 of 108 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →