Inventor
KUROKAWA MUNETAKA
JP27 patents
Patents
27 patentsUS9042731B2May 26, 2015
Optical module having a plurality of optical sources
SUMITOMO ELECTRIC INDUSTRIES8 citations84
US10386579B2Aug 20, 2019
Optical transmitting module and multi-lane transmitter optical module
SUMITOMO ELECTRIC INDUSTRIES5 citations73
US10203458B2Feb 12, 2019
Optical module implementing with optical source, optical modulator, and wavelength detector, and a method to assemble the same
SUMITOMO ELECTRIC INDUSTRIES1 citations73
US10162134B2Dec 25, 2018
Transmitting optical module implementing optical waveguide device
SUMITOMO ELECTRIC INDUSTRIES2 citations73
US9780882B2Oct 3, 2017
Optical transmitter module having multiple signal lanes
SUMITOMO ELECTRIC INDUSTRIES5 citations73
US9490900B2Nov 8, 2016
Method to produce optical module having multiple signal lanes and optical module
SUMITOMO ELECTRIC INDUSTRIES6 citations73
US9348157B2May 24, 2016
Optical module outputting polarization combined optical beam
SUMITOMO ELECTRIC INDUSTRIES4 citations72
US11409061B2Aug 9, 2022
Optical module
SUMITOMO ELECTRIC INDUSTRIES1 citations62
US10651948B2May 12, 2020
Coherent receiver module
SUMITOMO ELECTRIC INDUSTRIES1 citations62
US10185104B2Jan 22, 2019
Optical receiver and method of assembling the same and providing rotational alignment
SUMITOMO ELECTRIC INDUSTRIES1 citations62
US12405432B2Sep 2, 2025
Manufacturing method of optical module
SUMITOMO ELECTRIC INDUSTRIES0 citations59
US11822093B2Nov 21, 2023
Optical module
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11733467B2Aug 22, 2023
Optical module and method of producing the same
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11362736B2Jun 14, 2022
Optical transmitter module, optical transmitter-receiver module, and optical module
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US10326253B2Jun 18, 2019
Optical module implementing with optical source, optical modulator, and wavelength detector, and a method to assemble the same
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US10256601B2Apr 9, 2019
Optical module implementing with optical source, optical modulator, and wavelength detector, and a method to assemble the same
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US10218149B2Feb 26, 2019
Optical module implementing with optical source, optical modulator, and wavelength detector, and a method to assemble the same
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US10056982B2Aug 21, 2018
Method of coupling optical signal optically with optical waveguide through two lens system
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US9887783B2Feb 6, 2018
Lens system to enhance optical coupling efficiency of collimated beam to optical waveguide
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US9551834B2Jan 24, 2017
Method to assemble transmitter optical subassembly
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11837620B2Dec 5, 2023
Photo receiver
SUMITOMO ELECTRIC INDUSTRIES0 citations51
US11454768B2Sep 27, 2022
Assembly method for coherent receiver
SUMITOMO ELECTRIC INDUSTRIES0 citations47
US10365448B2Jul 30, 2019
Optical module having two lens system and monitor photodiode between two lenses
SUMITOMO ELECTRIC INDUSTRIES0 citations42
US10859774B2Dec 8, 2020
Optical module
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US10209422B2Feb 19, 2019
Coherent optical receiver module and method for manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US9979506B2May 22, 2018
Transmitter optical module implemented with a plurality of signal sources
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US9804347B2Oct 31, 2017
Method of assembling the optical module implementing Mach-Zehnder modulator
SUMITOMO ELECTRIC INDUSTRIES0 citations41