Inventor

SUGAHARA HIROMITSU

JP4 patents

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

SUGAHARA HIROMITSU

3 patents

US8244123B2Aug 14, 2012

System and method for optical transmission

SUGAHARA HIROMITSU5 citations52

US8837939B2Sep 16, 2014

Wavelength division multiplexing transmission system, optical channel monitor and optical channel monitoring method

SUGAHARA HIROMITSU0 citations45

US8638673B2Jan 28, 2014

Communication path monitoring method and transmission apparatus

SUGAHARA HIROMITSU0 citations31

JI PHILIP N

1 patent

US8285145B2Oct 9, 2012

Modular colorless and directionless multi-degree reconfigurable optical add/drop multiplexer node with in-service upgradeability

JI PHILIP N0 citations49