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CHT: Chunghwa Telecom Co Ltd is Taiwan's largest integrated telecom operator, providing fixed-line, wireless, and Internet and data services. The company enjoys a dominant position in all three segments. It has a market share of 35% in mobile, 85% in broadband, and greater than 95% in the fixed-line segment as measured by the number of local fixed-line subscribers. Chunghwa Telecom was privatized in 2005, with the government retaining 36.3% of the firm's ordinary shares.


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  • Patent Title: Identity authentication system and method thereof May. 03, 2022
  • Patent Title: Optical forwarding device Apr. 12, 2022
  • Patent Title: Method for reaching consensus on public distributed ledgers and system using the same Sep. 14, 2021
  • Patent Title: System and method for provisioning both ipv4 and ipv6 internet service and load balancer service Sep. 22, 2020
  • Patent Title: Authentication system and method thereof for integrating heterogeneous network May. 12, 2020
  • Patent Title: Issue-manage-style internet public opinion information evaluation management system and method thereof May. 12, 2020
  • Patent Title: Splitting scheduling system and method thereof for integrating heterogeneous network May. 05, 2020
  • Patent Title: Landmark recommendation method and non-transitory computer-readable storage medium integrated with life behavior analysis and social network Feb. 04, 2020
  • Patent Title: Buffer scheduling method for flow switching Nov. 26, 2019
  • Patent Title: Electronic switching beamforming antenna array Sep. 17, 2019
  • Patent Title: Message transmission method Jun. 18, 2019
  • Patent Title: Identification code generating system and method thereof using virtual reality process Apr. 16, 2019
  • Patent Title: Reduced-overhead channel estimation method and system thereof for massive mimo systems Sep. 04, 2018
  • Patent Title: Message transmission method Nov. 07, 2017
  • Patent Title: Method for segmenting videos and audios into clips using speaker recognition Aug. 22, 2017
  • Patent Title: Quantum cryptography service network implementation structure Jun. 13, 2017
  • Patent Title: Client-side dynamic multi-routing power distribution system of fttx optical terminal equipment Nov. 22, 2016
  • Patent Title: Ringtone assignment system and the method thereof Nov. 08, 2016
  • Patent Title: Control system and method for network service and function of virtual desktop application in cloud Oct. 11, 2016
  • Patent Title: Anti-counterfeiting system and method of e-ticket Sep. 29, 2015
  • Patent Title: System and method for processing online reading interactions Oct. 07, 2014
  • Patent Title: Automated building monitoring system Sep. 09, 2014
  • Patent Title: Method for controlling freezing capacity of a variable-frequency freezing ac ice-water system May. 27, 2014
  • Patent Title: Sms authentication method Feb. 18, 2014
  • Patent Title: Control system and protection method for integrated information security services Dec. 31, 2013
  • Patent Title: Method for controlling freezing capacity of a fixed-frequency ac ice-water system Sep. 10, 2013
  • Patent Title: Optical fiber network test method of an optical frequency domain reflectometer Aug. 20, 2013
  • Patent Title: Network authentication system and method Aug. 13, 2013
  • Patent Title: Automated integration of events for a surveillance system Jan. 15, 2013
  • Patent Title: System and method for guiding and distributing network load flow Nov. 06, 2012
  • Patent Title: User grouping method for inter-cell interference coordination in mobile telecommunication Aug. 14, 2012
  • Patent Title: Method for restraining inter-cell interference in a mobile communication system Dec. 27, 2011
  • Patent Title: Apparatus for monitoring optical obstructions in an optical split network and method thereof Dec. 13, 2011
  • Patent Title: Dynamic bandwidth allocation method of ethernet passive optical network Nov. 29, 2011
  • Patent Title: Network-based lighting equipment remote monitoring and management system Nov. 01, 2011
  • Patent Title: Residential security surveillance and notification management system Sep. 27, 2011
  • Patent Title: Pre-coding apparatus on account of adaptive estimation Sep. 13, 2011
  • Patent Title: Combi-sim card framework of electronic purse combining wireless transceiver of mobile device Aug. 02, 2011
  • Patent Title: Regulation control system of air conditioning equipment Jul. 26, 2011
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