Inventor
TAKASHIMA SHIGEHIRO
JP5 patents
⚠️ This page may combine multiple inventors who share the name “TAKASHIMA SHIGEHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
2 patentsUS7194210B2Mar 20, 2007
Wavelength division multiplexing optical transmission equipment and method of amplifying optical wavelength division multiplexed signals
HITACHI LTD10 citations82
US7391974B2Jun 24, 2008
Wavelength division multiplexing optical transmission equipment and method of amplifying optical wavelength division multiplexed signals
HITACHI LTD2 citations61