Assignee
OHKUBO KAZUAKI
JP·5 granted patents·1 pending application·7 citations·filing 2007–2012
Top patents by PatentIndex Score
6 records- 0176US8456638B2Optical measurement apparatus, optical measurement system, and fiber couplerOHKUBO KAZUAKI·Filed 2011·Granted Jun 4, 2013·3 cites·19 claims
- 0268US8119996B2Quantum efficiency measurement apparatus and quantum efficiency measurement methodOHKUBO KAZUAKI·Filed 2009·Granted Feb 21, 2012·2 cites·10 claims
- 0357US9500520B2Optical measurement apparatusOHKUBO KAZUAKI·Filed 2012·Granted Nov 22, 2016·1 cites·10 claims
- 0451US9239259B2Optical measurement system, optical measurement method, and mirror plate for optical measurement systemOHKUBO KAZUAKI·Filed 2011·Granted Jan 19, 2016·1 cites·9 claims
- 0543US2010220259A1Illumination device and liquid crystal display deviceOHKUBO KAZUAKI·Filed 2007·Application pending·0 cites
- 0637US8305576B2Apparatus and method for measuring total luminous fluxOHKUBO KAZUAKI·Filed 2010·Granted Nov 6, 2012·0 cites·9 claims
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