Inventor
NASU YUSUKE
JP30 patents
⚠️ This page may combine multiple inventors who share the name “NASU YUSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
18 patentsUS7899279B2Mar 1, 2011
Optical delay line interferometer
NIPPON TELEGRAPH & TELEPHONE23 citations92
US11592629B2Feb 28, 2023
Optical module
NIPPON TELEGRAPH & TELEPHONE16 citations84
US12099266B2Sep 24, 2024
Optical circuit with common ground configuration for resistors and thermo-optic phase shifters
NIPPON TELEGRAPH & TELEPHONE2 citations71
US11982839B2May 14, 2024
Optical 90 degree hybrid circuit
NIPPON TELEGRAPH & TELEPHONE2 citations71
US12222567B2Feb 11, 2025
Optical circuit module
NIPPON TELEGRAPH & TELEPHONE0 citations62
US12124086B2Oct 22, 2024
Optical fiber connection structure
NIPPON TELEGRAPH & TELEPHONE0 citations62
US9459417B2Oct 4, 2016
Planar lightwave circuit
NIPPON TELEGRAPH & TELEPHONE2 citations62
US9116291B2Aug 25, 2015
Integrated optical module
NIPPON TELEGRAPH & TELEPHONE2 citations62
US12449607B2Oct 21, 2025
Optical module
NIPPON TELEGRAPH & TELEPHONE0 citations61
US12248181B2Mar 11, 2025
Optical module
NIPPON TELEGRAPH & TELEPHONE0 citations61
US12055765B2Aug 6, 2024
Optical module
NIPPON TELEGRAPH & TELEPHONE0 citations61
US11567275B2Jan 31, 2023
Optical module
NIPPON TELEGRAPH & TELEPHONE1 citations61
US12078851B2Sep 3, 2024
Optical module
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11982837B2May 14, 2024
Interposer circuit
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11646800B2May 9, 2023
Optical transmitter and method for controller optical transmitter
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11921324B2Mar 5, 2024
Photodetector
NIPPON TELEGRAPH & TELEPHONE0 citations50
US11509396B2Nov 22, 2022
Polarization multi/demultiplexed optical transceiver circuit
NIPPON TELEGRAPH & TELEPHONE0 citations50
US11493776B2Nov 8, 2022
Polarization multiplexed optical transmitter circuit and polarization multi/demultiplexed optical transceiver circuit
NIPPON TELEGRAPH & TELEPHONE0 citations50
SAKAMAKI YOHEI
3 patentsNTT ELECTRONICS CORP
3 patentsUS10310159B2Jun 4, 2019
Optical waveguide device
NTT ELECTRONICS CORP2 citations68
US12068421B2Aug 20, 2024
Light reception element and light shielding structure for optical circuit
NTT ELECTRONICS CORP0 citations57
US10039187B2Jul 31, 2018
Flexible printed wiring substrate
NTT ELECTRONICS CORP1 citations51