Company Analysis

Chunghwa Telecom Co., Ltd (CHT)

NYSE: CHT · Radiotelephone Communications · Taipei Taiwan, TW · filing with the SEC since 2003
Grade6.0
◀ Past 6.4● Present 6.3▶ Future 5.4
1 est.

Patents

US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026

126 patents granted to the 8 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Chunghwa Telecom Co., Ltd’s names, not what it holds today.

Patents granted
126
114 utility, 12 design, 1976 to Dec 31, 2025
Granted in 2025
5
Against 11 in 2024 and 4 in 2023
Applications published
161
9 of them in 2025
Names they are printed under
8
its own name, a subsidiary
By yearGrantedApplications published
'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Measurement29
Digital communication4
Electrical machinery, apparatus, energy2
Telecommunications1
Computer technology1
Audio-visual technology1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name8 counted
Chunghwa Telecom Co., Ltd. its own name
TW, as the owner printed on each patent
63 granted
65 published
CHUNGHWA PRECISION TEST TECH. CO., LTD. a subsidiary
named as the applicant on its applications, in TW
0 granted
63 published
CHUNGHWA PRECISION TEST TECH. CO., LTD. a subsidiary
TW, as the owner printed on each patent
50 granted
7 published
Chunghwa Telecom Co., Ltd. its own name
named as the applicant on its applications, in TW
0 granted
22 published
Senao International CO, Ltd a subsidiary
TW, as the owner printed on each patent
12 granted
0 published
NavCore Tech. Co., Ltd. a subsidiary
TW, as the owner printed on each patent
1 granted
1 published
NavCore Tech. Co., Ltd. a subsidiary
named as the applicant on its applications, in TW
0 granted
2 published
CHT SECURITY CO., LTD. a subsidiary
named as the applicant on its applications, in TW
0 granted
1 published
Names not counted (1)
International Integrated Systems, Inc.
Most of its patents print US; this name counts in TW. 2 granted and 0 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Dec 23, 202512,504,465Test device for optoelectronic integrated circuitMeasurementCHUNGHWA PRECISION TEST TECH. CO., LTD.
Nov 11, 202512,467,949Cantilever probe card device and light absorption probeMeasurementCHUNGHWA PRECISION TEST TECH. CO., LTD.
Oct 7, 202512,439,004Feedback control panoramic monitoring and feedback control system and methodAudio-visual technologyNavCore Tech. Co., Ltd.
Apr 8, 202512,270,846Measuring system and measuring method of antenna pattern based on near field to far field transformationMeasurementChunghwa Telecom Co., Ltd.
Jan 21, 202512,203,961Vertical probe card device and fence-like probe thereofMeasurementCHUNGHWA PRECISION TEST TECH. CO., LTD.
Dec 31, 202412,181,496Cantilever probe card and probe module thereofMeasurementCHUNGHWA PRECISION TEST TECH. CO., LTD.
Nov 19, 202412,146,897Vertical probe card having different probesMeasurementCHUNGHWA PRECISION TEST TECH. CO., LTD.
Oct 8, 202412,111,336Modular vertical probe cardMeasurementCHUNGHWA PRECISION TEST TECH. CO., LTD.
Sep 17, 202412,092,661Cantilever probe card device and elastic probe thereofMeasurementCHUNGHWA PRECISION TEST TECH. CO., LTD.
Jul 2, 202412,028,218System and method for virtual network function and multi-access edge computing topologyDigital communicationChunghwa Telecom Co., Ltd.
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Nov 13, 20252025/0350356OPTOELECTRONIC INTEGRATED CIRCUIT TESTING DEVICESMeasurementCHUNGHWA PRECISION TEST TECH. CO., LTD.
Sep 11, 20252025/0283915PROBE CARD DEVICE HAVING EXPANSION CONFIGURATION AND PROBE HEAD THEREOFMeasurementCHUNGHWA PRECISION TEST TECH. CO., LTD.
Sep 11, 20252025/0283914PROBE CARD DEVICE HAVING HEAT-DISSIPATION CONFIGURATION AND GUIDE BOARD MODULE THEREOFAudio-visual technologyCHUNGHWA PRECISION TEST TECH. CO., LTD.
Sep 11, 20252025/0283912PROBE CARD DEVICE HAVING PARALLEL CONNECTION CONFIGURATION AND GUIDE BOARD MECHANISM THEREOFMeasurementCHUNGHWA PRECISION TEST TECH. CO., LTD.
Jul 17, 20252025/0232658PANORAMIC FIRE SAFETY SYSTEM AND CONTROL METHOD THEREOFComputer technologyNavCore Tech. Co., Ltd.
Jul 3, 20252025/0216450TEST DEVICE FOR OPTOELECTRONIC INTEGRATED CIRCUIT BEFORE BEING CO-PACKAGEDMeasurementCHUNGHWA PRECISION TEST TECH. CO., LTD.
Jun 5, 20252025/0183473BATTERY DEVICE AND COMBUSTION SUPPRESSION METHOD THEREOFElectrical machinery, apparatus, energyChunghwa Telecom Co., Ltd.
Feb 20, 20252025/0060407TEST DEVICE FOR OPTOELECTRONIC INTEGRATED CIRCUITMeasurementCHUNGHWA PRECISION TEST TECH. CO., LTD. · patent 12,504,465 granted from it
Jan 9, 20252025/0016290FEEDBACK CONTROL PANORAMIC MONITORING AND FEEDBACK CONTROL SYSTEM AND METHODAudio-visual technologyNavCore Tech. Co., Ltd. · patent 12,439,004 granted from it
Nov 21, 20242024/0385223CANTILEVER PROBE CARD DEVICE AND SOLDER RECEIVING PROBEMeasurementCHUNGHWA PRECISION TEST TECH. CO., LTD.
What it applied for, 2024 to 2025: Measurement 14 · Computer technology 3 · Audio-visual technology 2 · Digital communication 1 · Basic communication processes 1 · Electrical machinery, apparatus, energy 1.

A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.

SI Assistanton CHT · research, not advice