Assignee
OKAYAMA HIDEAKI
JP·9 granted patents·1 pending application·24 citations·filing 2009–2012
Top patents by PatentIndex Score
10 records- 0186US8064490B2Optical resonator and tunable laserOKAYAMA HIDEAKI·Filed 2009·Granted Nov 22, 2011·9 cites·12 claims
- 0284US8630517B2Optical multiplexer/demultiplexerOKAYAMA HIDEAKI·Filed 2011·Granted Jan 14, 2014·7 cites·14 claims
- 0379US8401350B2Optical resonator, and fluid optical sensor employing an optical resonatorOKAYAMA HIDEAKI·Filed 2010·Granted Mar 19, 2013·3 cites·9 claims
- 0473US8682121B2Optical wavelength filter with wavelength characteristic variation minimizedOKAYAMA HIDEAKI·Filed 2011·Granted Mar 25, 2014·3 cites·14 claims
- 0563US8150224B2Spot-size converterOKAYAMA HIDEAKI·Filed 2010·Granted Apr 3, 2012·1 cites·6 claims
- 0655US8532452B2Optical device and Mach-Zehnder interferometerOKAYAMA HIDEAKI·Filed 2009·Granted Sep 10, 2013·1 cites·5 claims
- 0747US8693820B2Flat optical waveguide with connections to channel and input optical waveguidesOKAYAMA HIDEAKI·Filed 2012·Granted Apr 8, 2014·0 cites·6 claims
- 0842US8218932B2Polarization independent optical deviceOKAYAMA HIDEAKI·Filed 2010·Granted Jul 10, 2012·0 cites·8 claims
- 0942US8208772B2Polarization independent directional coupler and related optical devicesOKAYAMA HIDEAKI·Filed 2010·Granted Jun 26, 2012·0 cites·13 claims
- 1041US2012002924A1Star coupler and optical multiplexer/demultiplexerOKAYAMA HIDEAKI·Filed 2011·Application pending·0 cites
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