Inventor
KANAZAWA SHIGERU
JP20 patents
⚠️ This page may combine multiple inventors who share the name “KANAZAWA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
16 patentsUS12341315B2Jun 24, 2025
Optical semiconductor chip
NIPPON TELEGRAPH & TELEPHONE2 citations72
US11467467B2Oct 11, 2022
Optical modulator
NIPPON TELEGRAPH & TELEPHONE4 citations72
US12288962B2Apr 29, 2025
Optical transmitter
NIPPON TELEGRAPH & TELEPHONE1 citations62
US11448838B2Sep 20, 2022
Optical component and method for manufacturing same
NIPPON TELEGRAPH & TELEPHONE1 citations61
US11300850B2Apr 12, 2022
Mach-Zehnder modulator
NIPPON TELEGRAPH & TELEPHONE0 citations61
US10866439B2Dec 15, 2020
High-frequency transmission line and optical circuit
NIPPON TELEGRAPH & TELEPHONE1 citations61
US12316074B2May 27, 2025
Optical transmitter
NIPPON TELEGRAPH & TELEPHONE0 citations60
US11768341B2Sep 26, 2023
Package for optical module
NIPPON TELEGRAPH & TELEPHONE1 citations60
US12425105B2Sep 23, 2025
Optical burst transmitter
NIPPON TELEGRAPH & TELEPHONE0 citations59
US12474397B2Nov 18, 2025
Semiconductor wafer
NIPPON TELEGRAPH & TELEPHONE0 citations58
US12444902B2Oct 14, 2025
Optical transmitter
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11947237B2Apr 2, 2024
Semiconductor Mach Zehnder optical modulator
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12288964B2Apr 29, 2025
Method for manufacturing optical semiconductor waveguide window structure
NIPPON TELEGRAPH & TELEPHONE0 citations50
US12105398B2Oct 1, 2024
Semiconductor Mach-Zehnder optical modulator and IQ modulator
NIPPON TELEGRAPH & TELEPHONE0 citations50
US12066735B2Aug 20, 2024
Optical modulator module
NIPPON TELEGRAPH & TELEPHONE0 citations50
US12483333B2Nov 25, 2025
Optical transmitter
NIPPON TELEGRAPH & TELEPHONE0 citations48