17 Patents
- US125660592026Optical Fiber Strain Measuring Method and Optical Fiber Strain Measuring Device
NTT, Inc.
0 cites - US125537692026Positioning Method of Electric Pole and Estimating Method of the State of Overhead Optical Fiber Cable
NTT, Inc.
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- US123990792025Devices and Methods for Measuring the Amount of Frequency Modulation
Nippon Telegraph And Telephone Corporation
0 cites - US123885272025Brillouin Gain Spectrum Distribution Measurement Method and Equipment
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
0 cites - US123134892025Optical Fiber Measurement System, Optical Fiber Measurement Method, Control Arithmetic Device, and Program
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
0 cites - US123134932025Mode Field Diameter Measuring Method and Mode Field Diameter Measuring Device
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
0 cites - US122981592025Technique for Analyzing a Spectrum of Backscattered Light in an Optical Fiber
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
0 cites - US121529572024Inundation Detection System and Inundation Detection Method
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
0 cites - US120072982024Fiber Optic Test Methods, Fiber Optic Test Equipment, and Programs
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
0 cites - US117544652023Optical Pulse Testing Device and Optical Pulse Testing Method
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
0 cites - US117472942023Water Immersion Detection Device and Water Immersion Detection Method for Detecting Inundation of Optical Fiber
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
0 cites - US117502832023Optical Fiber Route Search Method, Optical Fiber Route Search Device and Program
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
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