Sakura
Japan
22
2018-12-06
The entities that hold a legal rights for patent applications filed by inventor Ogawa Kensuke:
Kensuke Ogawa from Sakura, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Optical waveguide element
#2 | 2017-08-08Optical integrated circuit
#3 | 2017-06-22Optical waveguide element, light-receiving device, optical communication device, optical modulator, optical resonator, and method for manufacturing optical waveguide element
#4 | 2017-06-15Optical waveguide element
#5 | 2017-04-06Optical receiver circuit and adjustment method for same
#6 | 2017-01-26Optical waveguide device and method of manufacturing the same
#7 | 2016-06-23Polarization conversion element
#8 | 2016-06-23High-order polarization conversion device, optical waveguide device, and DP-QPSK modulator
#9 | 2015-10-15Optical modulation device
#10 | 2015-10-15Optical waveguide element and optical modulator
#11 | 2015-08-27Optical waveguide device having a light absorber for split out modes
#12 | 2015-04-16Planar optical waveguide device and DP-QPSK modulator
#13 | 2015-01-01Polarization conversion device
#14 | 2014-08-21Optical element and Mach-Zehnder optical waveguide element
#15 | 2014-01-30Phase shift interferometer
#16 | 2013-09-05Chromatic dispersion measurement device and chromatic dispersion measurement method for measuring the dispersion of light pulses
#17 | 2013-05-23Planar optical waveguide element, chromatic dispersion compensator, optical filter, optical resonator and methods for designing the element, chromatic dispersion compensator, optical filter and optical resonator
#18 | 2011-03-03Manufacturing method of planar optical waveguide device with grating structure
#19 | 2011-03-03Manufacturing method of planar optical waveguide device with grating structure
#20 | 2011-01-20Planar optical waveguide element, chromatic dispersion compensator, optical filter, optical resonator and methods for designing the element, chromatic dispersion compensator, optical filter and optical resonator
#21 | 2010-12-30Planar optical waveguide element, chromatic dispersion compensator, methods for designing chromatic dispersion compensator, optical filter, methods for designing optical filter, optical resonator and methods for designing optical resonator
#22 | 2010-12-23Optical waveguide element, chromatic dispersion compensator, methods for designing chromatic dispersion compensator, optical filter, methods for designing optical filter, optical resonator and methods for designing optical resonator
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