Inventor
TSUZUKI TATSUYA
JP24 patents
⚠️ This page may combine multiple inventors who share the name “TSUZUKI TATSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
13 patentsUS7692849B2Apr 6, 2010
Method for measuring nonlinear optical properties, and optical amplifier and optical transmission system using same
FUJITSU LTD8 citations84
US6903324B2Jun 7, 2005
Optical amplifier amplifying wavelength multiplexed light, and wavelength multiplexed light communications system
FUJITSU LTD19 citations84
US10541749B2Jan 21, 2020
Optical wavelength multiplexing transmission apparatus and optical wavelength multiplexing transmission method
FUJITSU LTD5 citations72
US10003429B2Jun 19, 2018
Optical transmission device that transmits wavelength division multiplexed optical signal and optical transmission system
FUJITSU LTD3 citations72
US12231227B2Feb 18, 2025
Transmission apparatus and transmission system
FUJITSU LTD0 citations62
US11711160B2Jul 25, 2023
Transmission device and transmission system
FUJITSU LTD0 citations62
US11515960B2Nov 29, 2022
Transmission device, transmission system, and transmission method
FUJITSU LTD0 citations62
US10979168B2Apr 13, 2021
Transmission device, transmission system, and transmission method
FUJITSU LTD0 citations62
US7929201B2Apr 19, 2011
Multistage optical amplifier with gain control using pump ratio
FUJITSU LTD2 citations62
US12334979B2Jun 17, 2025
Optical wavelength multiplexing transmission device and optical wavelength multiplexing transmission method
FUJITSU LTD0 citations52
US11018763B2May 25, 2021
Network system, management device, and management method
FUJITSU LTD0 citations50
US9991985B2Jun 5, 2018
Optical transmission control device and optical signal wavelength determination method
FUJITSU LTD0 citations41
US9391426B2Jul 12, 2016
Raman amplifier and gain control method
FUJITSU LTD0 citations41
CENTRAL GLASS CO LTD
4 patentsUS11384013B2Jul 12, 2022
Automotive laminated glass, and production method therefor
CENTRAL GLASS CO LTD3 citations71
US10960648B2Mar 30, 2021
Automotive laminated glass, and production method therefor
CENTRAL GLASS CO LTD3 citations71
US9249047B2Feb 2, 2016
Ultraviolet and infrared absorptive glass
CENTRAL GLASS CO LTD1 citations49
US9206079B2Dec 8, 2015
Chemically strengthened glass plate and method for manufacturing same
CENTRAL GLASS CO LTD1 citations49
SHUKUNAMI NORIFUMI
3 patentsUS9065570B2Jun 23, 2015
Optical amplifier with feedback to obtain set gain and gain tilt
SHUKUNAMI NORIFUMI3 citations61
US8068275B2Nov 29, 2011
Method for measuring nonlinear optical properties
SHUKUNAMI NORIFUMI1 citations51
US9093816B2Jul 28, 2015
Transmission apparatus and transmission system
SHUKUNAMI NORIFUMI0 citations40