Inventor

YANAGIMACHI SHIGEYUKI

JP17 patents

⚠️ This page may combine multiple inventors who share the name “YANAGIMACHI SHIGEYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YANAGIMACHI SHIGEYUKI

NEC CORP

Switch device, switching method and switch control program

Positioning control device and head positioning control device

Optical amplifier, optical amplifier equalizing method, and transmission system

Optical amplification device, optical transmission system, and optical amplification method

Multicore optical fiber amplifier and optical amplification method using multicore optical fiber amplification medium

Optical amplifying apparatus and method of amplifying optical signal

Submarine optical communication control device, control method, and non-transitory computer-readable medium

Optical amplifier, and control method therefor

Optical network management device, optical network system, optical network management method, and optical network management program

Optical fiber amplifier, optical fiber amplifier control method, and transmission system

Communication device, communication controlling method, non-transitory computer-readable medium, and optical communication system

Optical amplifier and control method therefor

Optical path setting device, optical communication system, and optical path setting method

Optical network, network management device, and network management method

Control device, control system, network system, control method, and computer-readable medium

Packet communication device which selects an appropriate operation mode

SASAKI JUNICHI

Optical backplane connector, photoelectric conversion module and optical backplane