Inventor
OGISO YOSHIHIRO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “OGISO YOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
13 patentsUS11275287B2Mar 15, 2022
Semiconductor Mach-Zehnder optical modulator and IQ optical modulator using same
NIPPON TELEGRAPH & TELEPHONE2 citations71
US10845668B2Nov 24, 2020
IQ optical modulator
NIPPON TELEGRAPH & TELEPHONE5 citations71
US11126058B1Sep 21, 2021
Semiconductor optical modulation element
NIPPON TELEGRAPH & TELEPHONE4 citations70
US10254624B2Apr 9, 2019
Semiconductor optical modulation element
NIPPON TELEGRAPH & TELEPHONE5 citations68
US10522892B2Dec 31, 2019
High-frequency line
NIPPON TELEGRAPH & TELEPHONE1 citations62
US11971590B2Apr 30, 2024
Optical coupling method
NIPPON TELEGRAPH & TELEPHONE0 citations61
US11372307B2Jun 28, 2022
Optical modulator
NIPPON TELEGRAPH & TELEPHONE1 citations61
US12176959B2Dec 24, 2024
High-speed optical transceiver
NIPPON TELEGRAPH & TELEPHONE1 citations60
US12393064B2Aug 19, 2025
Semiconductor optical modulator
NIPPON TELEGRAPH & TELEPHONE0 citations50
US12169347B2Dec 17, 2024
Semiconductor Mach-Zehnder optical modulator and IQ modulator
NIPPON TELEGRAPH & TELEPHONE0 citations50
US12105398B2Oct 1, 2024
Semiconductor Mach-Zehnder optical modulator and IQ modulator
NIPPON TELEGRAPH & TELEPHONE0 citations50
US11994783B2May 28, 2024
IQ optical modulator
NIPPON TELEGRAPH & TELEPHONE0 citations49
US11106108B2Aug 31, 2021
Semiconductor Mach-Zehnder modulator
NIPPON TELEGRAPH & TELEPHONE0 citations47