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Patents, Design & Utilities
Chunghwa Telecom Co., Ltd.
Patents, Design & Utilities
Last updated:
6 Sep 2025
List of all Chunghwa Telecom Co., Ltd. patents
15 in total
All
Design
Utility application
Utility grant
Status
Patent
Filling date
Issue date
Grant
Utility:
Optical forwarding device
External link
Filling date:
6 Sep 2025
Issue date:
12 Apr 2022
22 Jul 2020
12 Apr 2022
Grant
Utility:
Method for reaching consensus on public distributed ledgers and system using the same
External link
Filling date:
6 Sep 2025
Issue date:
14 Sep 2021
18 Sep 2018
14 Sep 2021
Application
Utility:
OPTICAL FORWARDING DEVICE
External link
Filling date:
6 Sep 2025
Issue date:
22 Jul 2021
22 Jul 2020
22 Jul 2021
Grant
Utility:
System and method for provisioning both IPV4 and IPV6 internet service and load balancer service
External link
Filling date:
6 Sep 2025
Issue date:
22 Sep 2020
7 Oct 2019
22 Sep 2020
Application
Utility:
IDENTITY AUTHENTICATION SYSTEM AND METHOD THEREOF
External link
Filling date:
6 Sep 2025
Issue date:
11 Jun 2020
4 Dec 2019
11 Jun 2020
Application
Utility:
OPTICAL DUPLEXER AND OPTICAL TRANSCEIVING SYSTEM
External link
Filling date:
6 Sep 2025
Issue date:
11 Jun 2020
29 Oct 2019
11 Jun 2020
Grant
Utility:
Authentication system and method thereof for integrating heterogeneous network
External link
Filling date:
6 Sep 2025
Issue date:
12 May 2020
13 Apr 2017
12 May 2020
Grant
Utility:
Issue-manage-style internet public opinion information evaluation management system and method thereof
External link
Filling date:
6 Sep 2025
Issue date:
12 May 2020
4 Feb 2015
12 May 2020
Grant
Utility:
Splitting scheduling system and method thereof for integrating heterogeneous network
External link
Filling date:
6 Sep 2025
Issue date:
5 May 2020
2 Dec 2016
5 May 2020
Grant
Utility:
Method for wireless backhaul frequency band flexible allocation
External link
Filling date:
6 Sep 2025
Issue date:
3 Mar 2020
10 Mar 2016
3 Mar 2020
Grant
Utility:
Gateway apparatus, detecting method of malicious domain and hacked host thereof, and non-transitory computer readable medium
External link
Filling date:
6 Sep 2025
Issue date:
25 Feb 2020
3 Aug 2017
25 Feb 2020
Grant
Utility:
Landmark recommendation method and non-transitory computer-readable storage medium integrated with life behavior analysis and social network
External link
Filling date:
6 Sep 2025
Issue date:
4 Feb 2020
30 Nov 2016
4 Feb 2020
Application
Utility:
METHOD FOR REACHING CONSENSUS ON PUBLIC DISTRIBUTED LEDGERS AND SYSTEM USING THE SAME
External link
Filling date:
6 Sep 2025
Issue date:
12 Dec 2019
18 Sep 2018
12 Dec 2019
Grant
Utility:
Buffer scheduling method for flow switching
External link
Filling date:
6 Sep 2025
Issue date:
26 Nov 2019
9 Oct 2018
26 Nov 2019
Grant
Utility:
Electronic switching beamforming antenna array
External link
Filling date:
6 Sep 2025
Issue date:
17 Sep 2019
22 Feb 2017
17 Sep 2019
Showing
1
to
15
of
15
patents.
1