Inventor

YAMAKAMI MASAHIRO

JP2 patents

Patents

2 patents

US9191143B2Nov 17, 2015

Optical transmission device and optical transmission device control method

FUJITSU LTD2 citations58

US9838113B2Dec 5, 2017

Optical wavelength multiplexing device, optical transmission device, and abnormality determination method

FUJITSU LTD1 citations42