List of Nippon Telegraph and Telephone patents

Patents where

Current Assignee

Name

Nippon Telegraph and Telephone

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 8405773 Video communication quality estimation apparatus, method, and program	Patent 8405773 was granted and assigned to Nippon Telegraph and Telephone on March, 2013 by the United States Patent and Trademark Office.		Nippon Telegraph and Telephone	United States Patent and Trademark Office	8405773	March 26, 2013
‌ US Patent 11568761 Pronunciation error detection apparatus, pronunciation error detection method and program	Patent 11568761 was granted and assigned to Nippon Telegraph and Telephone on January, 2023 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11568761	January 31, 2023
‌ US Patent 11399376 Method and system in a wireless communications for estimating quality based on learning model	Patent 11399376 was granted and assigned to Nippon Telegraph and Telephone on July, 2022 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11399376	July 26, 2022
‌ US Patent 11467060 Optical pulse reflectometer and optical pulse reflectometry	Patent 11467060 was granted and assigned to Nippon Telegraph and Telephone on October, 2022 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11467060	October 11, 2022
‌ US Patent 8929750 Signal generating circuit, optical signal transmitting apparatus, signal receiving circuit, method for establishing optical signal synchronization, and optical signal synchronization system	Patent 8929750 was granted and assigned to Nippon Telegraph and Telephone on January, 2015 by the United States Patent and Trademark Office.		Nippon Telegraph and Telephone	United States Patent and Trademark Office	8929750	January 6, 2015
‌ US Patent 11489557 Wireless communication system, wireless communication method, transmitting station device and receiving station device	Patent 11489557 was granted and assigned to Nippon Telegraph and Telephone on November, 2022 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11489557	November 1, 2022
‌ US Patent 9497481 Motion vector predictive encoding method, motion vector predictive decoding method, moving picture encoding apparatus, moving picture decoding apparatus, and programs thereof	Patent 9497481 was granted and assigned to Nippon Telegraph and Telephone on November, 2016 by the United States Patent and Trademark Office.		Nippon Telegraph and Telephone	United States Patent and Trademark Office	9497481	November 15, 2016
‌ US Patent 9065243 Optical amplifier	Patent 9065243 was granted and assigned to Nippon Telegraph and Telephone on June, 2015 by the United States Patent and Trademark Office.		Nippon Telegraph and Telephone	United States Patent and Trademark Office	9065243	June 23, 2015
‌ US Patent 11385127 Optical frequency multiplexing coherent OTDR, testing method, signal processing device, and program	Patent 11385127 was granted and assigned to Nippon Telegraph and Telephone on July, 2022 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11385127	July 12, 2022
‌ US Patent 11398007 Video generation device, video generation method, program, and data structure	Patent 11398007 was granted and assigned to Nippon Telegraph and Telephone on July, 2022 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11398007	July 26, 2022
‌ US Patent 11632185 Signal processing method, signal processing apparatus and communication system	Patent 11632185 was granted and assigned to Nippon Telegraph and Telephone on April, 2023 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11632185	April 18, 2023
‌ US Patent 8977141 Digital signal processing apparatus	Patent 8977141 was granted and assigned to Nippon Telegraph and Telephone on March, 2015 by the United States Patent and Trademark Office.		Nippon Telegraph and Telephone	United States Patent and Trademark Office	8977141	March 10, 2015
‌ US Patent 11405124 Wireless communication system, parent station apparatus and wireless communication method	Patent 11405124 was granted and assigned to Nippon Telegraph and Telephone on August, 2022 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11405124	August 2, 2022
‌ US Patent 11283527 Optical transmitting system, optical transmitting apparatus, optical receiving apparatus and transfer function estimating method		Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11283527	March 22, 2022
‌ US Patent 11415750 Optical module, optical wiring board, and production method for optical module	Patent 11415750 was granted and assigned to Nippon Telegraph and Telephone on August, 2022 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11415750	August 16, 2022
‌ US Patent 11519817 Raman gain efficiency distribution testing method, and Raman gain efficiency distribution testing device	Patent 11519817 was granted and assigned to Nippon Telegraph and Telephone on December, 2022 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11519817	December 6, 2022
‌ US Patent 11516584 Sound collection loudspeaker apparatus, method and program for the same	Patent 11516584 was granted and assigned to Nippon Telegraph and Telephone on November, 2022 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11516584	November 29, 2022
‌ US Patent 11546064 Optical transmission system and transmission mode selecting method	Patent 11546064 was granted and assigned to Nippon Telegraph and Telephone on January, 2023 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11546064	January 3, 2023
‌ US Patent 11506883 Optical wavelength selecting filter-module and optical wavelength selecting method	Patent 11506883 was granted and assigned to Nippon Telegraph and Telephone on November, 2022 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11506883	November 22, 2022
‌ US Patent 11350065 Video generation device, video generation method, and program		Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11350065	May 31, 2022
‌ US Patent 11411761 Detection device, detection method, and program	Patent 11411761 was granted and assigned to Nippon Telegraph and Telephone on August, 2022 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11411761	August 9, 2022
‌ US Patent 7792099 Method of setting multicast transfer route and method of multicast label switching for realizing the same	Patent 7792099 was granted and assigned to Nippon Telegraph and Telephone on September, 2010 by the United States Patent and Trademark Office.		Nippon Telegraph and Telephone	United States Patent and Trademark Office	7792099	September 7, 2010
‌ US Patent 11477124 Network management system, management device, relay device, method, and program	Patent 11477124 was granted and assigned to Nippon Telegraph and Telephone on October, 2022 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11477124	October 18, 2022
‌ US Patent 11378489 Propagation characteristic analysis device and propagation characteristic analysis method	Patent 11378489 was granted and assigned to Nippon Telegraph and Telephone on July, 2022 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11378489	July 5, 2022
‌ US Patent 11881897 Optical and electronic integrated switch and optical network system	Patent 11881897 was granted and assigned to Nippon Telegraph and Telephone on January, 2024 by the United States Patent and Trademark Office.	Nippon Telegraph and Telephone	Nippon Telegraph and Telephone	United States Patent and Trademark Office	11881897	January 23, 2024

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