Inventor
SHIBAHARA KOHKI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “SHIBAHARA KOHKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
6 patentsUS10536238B2Jan 14, 2020
Optical transmission system, optical transmission apparatus, and optical reception apparatus
NIPPON TELEGRAPH & TELEPHONE3 citations72
US10985846B2Apr 20, 2021
Signal separating apparatus and signal separating method
NIPPON TELEGRAPH & TELEPHONE4 citations70
US11552714B2Jan 10, 2023
Signal separating apparatus and signal separating method
NIPPON TELEGRAPH & TELEPHONE0 citations60
US11476635B2Oct 18, 2022
Optically amplified repeater system and optical amplifier
NIPPON TELEGRAPH & TELEPHONE0 citations50
US9762982B2Sep 12, 2017
Multi-flow optical transceiver, multi-flow optical transponder and multi-flow optical node
NIPPON TELEGRAPH & TELEPHONE0 citations50
US9667350B2May 30, 2017
Optical receiving device and phase cycle reduction method
NIPPON TELEGRAPH & TELEPHONE0 citations41