Inventor · disambiguated record
Kazuaki Ohkubo
Also filed as: OHKUBO KAZUAKI
26 granted patents·9 pending applications·210 citations·filing 1990–2014
95Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD14OHKUBO KAZUAKI6OTSUKA DENSHI KK4OSAWA YOSHIHIRO2SANO HIROYUKI2
Top patents by PatentIndex Score
35 records- 0193US7049735B2Incandescent bulb and incandescent bulb filamentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted May 23, 2006·40 cites·14 claims
- 0292US8169608B2Optical characteristic measurement device and optical characteristic measurement method suitable for spectrum measurementSANO HIROYUKI·Filed 2011·Granted May 1, 2012·28 cites·3 claims
- 0391US8169607B2Optical characteristic measurement device and optical characteristic measurement method suitable for spectrum measurementSANO HIROYUKI·Filed 2009·Granted May 1, 2012·29 cites·6 claims
- 0483US7283222B1Optical measuring deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Granted Oct 16, 2007·12 cites·6 claims
- 0576US8456638B2Optical measurement apparatus, optical measurement system, and fiber couplerOHKUBO KAZUAKI·Filed 2011·Granted Jun 4, 2013·3 cites·19 claims
- 0674US7663744B2Integrating photometer for measuring total flux of light generated from light source to be measured, and method for measuring total flux of light through use of the sameOTSUKA DENSHI KK·Filed 2008·Granted Feb 16, 2010·7 cites·8 claims
- 0769US8970835B2Optical characteristic measuring apparatusOTSUKA DENSHI KK·Filed 2012·Granted Mar 3, 2015·2 cites·3 claims
- 0868US8119996B2Quantum efficiency measurement apparatus and quantum efficiency measurement methodOHKUBO KAZUAKI·Filed 2009·Granted Feb 21, 2012·2 cites·10 claims
- 0967US7040130B2Method and apparatus for forming discrete microcavities in a filament wire using microparticlesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 9, 2006·11 cites·20 claims
- 1065US6871523B2Method and apparatus for forming microchannels in a filament wireMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Mar 29, 2005·10 cites·16 claims
- 1163US8422018B2Optical measurement apparatus including hemispherical optical integratorOSAWA YOSHIHIRO·Filed 2011·Granted Apr 16, 2013·2 cites·10 claims
- 1262US5430540ALuminous flux measuring apparatus using an integrating hemisphere or an integrating quarter sphereMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jul 4, 1995·24 cites·4 claims
- 1359US6504305B1Fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 7, 2003·10 cites·15 claims
- 1457US9500520B2Optical measurement apparatusOHKUBO KAZUAKI·Filed 2012·Granted Nov 22, 2016·1 cites·10 claims
- 1557US6445118B1Lamp having conductor structure and non-conductor structure provided between filamentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Sep 3, 2002·3 cites·9 claims
- 1654US7487781B2Energy converter and method of making the samePANASONIC CORP·Filed 2004·Granted Feb 10, 2009·4 cites·13 claims
- 1751US9377352B2Standard light source having restriction portion for diffuse reflection and measurement methodOTSUKA DENSHI KK·Filed 2014·Granted Jun 28, 2016·0 cites·12 claims
- 1851US9239259B2Optical measurement system, optical measurement method, and mirror plate for optical measurement systemOHKUBO KAZUAKI·Filed 2011·Granted Jan 19, 2016·1 cites·9 claims
- 1951US8896824B2Optical characteristic measuring apparatusOTSUKA DENSHI KK·Filed 2013·Granted Nov 25, 2014·0 cites·10 claims
- 2051US2008061689A1Dielectric barrier discharge lamp device and backlight for liquid crystal displayMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Application pending·0 cites
- 2150US2007044540A1Radiation source for gas sensorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 2248US5497230ASpectroradiometerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Mar 5, 1996·14 cites·10 claims
- 2344US7276846B2Energy converter and light sourceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Oct 2, 2007·0 cites·10 claims
- 2443US2010220259A1Illumination device and liquid crystal display deviceOHKUBO KAZUAKI·Filed 2007·Application pending·0 cites
- 2543US2010245713A1Light source device, backlight device, and liquid crystal displayYANO TADASHI·Filed 2007·Application pending·0 cites
- 2642US8559101B2Reflector and apparatus including the reflectorSAKAUE MIKA·Filed 2006·Granted Oct 15, 2013·0 cites·12 claims
- 2740US2005263269A1Radiator and apparatus including the radiatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 2840US2006175968A1Energy converterKIMOTO MITSUHIKO·Filed 2006·Application pending·0 cites
- 2939US6979946B2Electrodeless fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 27, 2005·0 cites·13 claims
- 3039US2004182847A1Radiation source for gas sensorFiled 2004·Application pending·0 cites
- 3139US2004212286A1Lamp system with reflector, high pressure discharge lamp, and image projection apparatusFiled 2004·Application pending·0 cites
- 3237US8415639B2Quantum efficiency measurement method, quantum efficiency measurement apparatus, and integratorOSAWA YOSHIHIRO·Filed 2011·Granted Apr 9, 2013·0 cites·9 claims
- 3337US8305576B2Apparatus and method for measuring total luminous fluxOHKUBO KAZUAKI·Filed 2010·Granted Nov 6, 2012·0 cites·9 claims
- 3437US5034606AMethod and apparatus for calibrating line spectrum irradianceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jul 23, 1991·7 cites·3 claims
- 3535US2004108800A1Electrodeless fluorescent lampFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →