Inventor
AISAWA SHIGEKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “AISAWA SHIGEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
6 patentsUS6490064B1Dec 3, 2002
Wavelength division multiplexing optical transmission system
NIPPON TELEGRAPH & TELEPHONE18 citations90
US10243664B2Mar 26, 2019
Optical modulator driver circuit and optical transmitter
NIPPON TELEGRAPH & TELEPHONE5 citations71
US7970008B2Jun 28, 2011
Multiplexing transmission system and multiplexing transmission method
NIPPON TELEGRAPH & TELEPHONE4 citations62
US7003226B2Feb 21, 2006
Wavelength division multiplex optical transmission system
NIPPON TELEGRAPH & TELEPHONE4 citations60
US9438365B2Sep 6, 2016
Client signal mapping circuit and mapping method
NIPPON TELEGRAPH & TELEPHONE0 citations52
US10122462B2Nov 6, 2018
Transport apparatus and transport method
NIPPON TELEGRAPH & TELEPHONE0 citations41