Inventor
OHSHIMA CHIHIRO
JP8 patents
⚠️ This page may combine multiple inventors who share the name “OHSHIMA CHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
7 patentsUS6496300B2Dec 17, 2002
Optical amplifier
FUJITSU LTD20 citations92
US6462861B2Oct 8, 2002
Optical amplifying apparatus and optical communication system
FUJITSU LTD45 citations92
US6411429B1Jun 25, 2002
Optical amplifying apparatus, wide-band optical amplifying apparatus, and optical communication system
FUJITSU LTD28 citations92
US6373623B1Apr 16, 2002
Optical amplifier for use in optical communications equipment
FUJITSU LTD39 citations92
US6335823B2Jan 1, 2002
Optical amplifier for use in optical communications equipment
FUJITSU LTD25 citations92
US6320694B1Nov 20, 2001
Optical amplifier for use in optical communications equipment
FUJITSU LTD19 citations91
US7119950B2Oct 10, 2006
Amplification method and optical amplifier for wavelength division multiplexed signal light
FUJITSU LTD7 citations73