Inventor
TSUZAKI TETSUFUMI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “TSUZAKI TETSUFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
11 patentsUS6819477B2Nov 16, 2004
Raman amplifier module and optical transmission system using the same
SUMITOMO ELECTRIC INDUSTRIES14 citations84
US6952309B1Oct 4, 2005
Optical amplifier and optical amplification method
SUMITOMO ELECTRIC INDUSTRIES11 citations73
US6775055B2Aug 10, 2004
Raman amplifier
SUMITOMO ELECTRIC INDUSTRIES11 citations72
US10523317B2Dec 31, 2019
Measurement system and measurement method
SUMITOMO ELECTRIC INDUSTRIES6 citations71
US6813065B2Nov 2, 2004
Raman amplifier and optical communication system
SUMITOMO ELECTRIC INDUSTRIES2 citations62
US6806999B2Oct 19, 2004
Raman amplification pumping module, Raman amplifier, and optical communication system
SUMITOMO ELECTRIC INDUSTRIES3 citations62
US7110648B2Sep 19, 2006
Analog optical transmission system
SUMITOMO ELECTRIC INDUSTRIES1 citations50
US7046428B2May 16, 2006
Raman amplifier
SUMITOMO ELECTRIC INDUSTRIES0 citations50
US6958857B2Oct 25, 2005
Optical fiber component for Raman amplification, Raman amplifier and optical communications system
SUMITOMO ELECTRIC INDUSTRIES0 citations50
US7307782B2Dec 11, 2007
Raman amplifier and optical communication system including the same
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US6819829B2Nov 16, 2004
Optical communication system
SUMITOMO ELECTRIC INDUSTRIES0 citations41