Patents/Assignees

NIPPON TELEGRAPH AND TELEPHONE CORPORATION

1,988 patents in portfolio

US12204291utility2025
Time Transmission Correction Device, Time Transmission System, and Delay Measurement Method
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US12204148utility2025
Optical Connecting Device, Optical Device, and Method for Manufacturing Optical Device
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US12203968utility2025
High-frequency Noise Detection Antenna
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US12203823utility2025
Looseness Detection Sensor and Method
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US12200092utility2025
Synchronous Control Apparatus
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US12199882utility2025
Information Processing Apparatus, Communication Apparatus, Information Processing Method and Program
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US12199972utility2025
Information Processing System, Information Processing Method and Program
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US12199664utility2025
Light Leakage Confirmation Method, Light Leakage Confirmation Apparatus and Program
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US12199844utility2025
Burst Traffic Detection Device and Method
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US12199710utility2025
Wireless Communication Method and Wireless Communication System
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US12199665utility2025
Optical Monitor Device
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US12199671utility2025
Optical Transmission System and Optical Transmission Method
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US12198550utility2025
Video Distribution Apparatus, Video Distribution Method and Program
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US12198402utility2025
Event Occurrence Time Learning Device, Event Occurrence Time Estimation Device, Event Occurrence Time Learning Method, Event Occurrence Time Estimation Method, Event Occurrence Time Learning Program, and Event Occurrence Time Estimation Program
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US12198383utility2025
Camera Parameter Estimation Apparatus, Camera Parameter Estimation Method, and Camera Parameter Estimation Program
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US12197692utility2025
Operation Monitoring Device, Operation Monitoring Method, and Operation Monitoring Program
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US12197540utility2025
Learning Method, Device, Learning Apparatus and Program
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US12197051utility2025
Optical Inspection Circuit and Optical Inspection Method
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US12197006utility2025
Optical Multiplexing Circuit and Light Source
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US12196622utility2025
Temperature Measurement Device and Temperature Measurement Method
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