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 publishedCHUNGHWA PRECISION TEST TECH. CO., LTD. a subsidiary
named as the applicant on its applications, in TW
0 granted
63 publishedCHUNGHWA PRECISION TEST TECH. CO., LTD. a subsidiary
TW, as the owner printed on each patent
50 granted
7 publishedChunghwa Telecom Co., Ltd. its own name
named as the applicant on its applications, in TW
0 granted
22 publishedSenao International CO, Ltd a subsidiary
TW, as the owner printed on each patent
12 granted
0 publishedNavCore Tech. Co., Ltd. a subsidiary
TW, as the owner printed on each patent
1 granted
1 publishedNavCore Tech. Co., Ltd. a subsidiary
named as the applicant on its applications, in TW
0 granted
2 publishedCHT 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
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Dec 23, 2025 | 12,504,465 | Test device for optoelectronic integrated circuit | Measurement | CHUNGHWA PRECISION TEST TECH. CO., LTD. |
| Nov 11, 2025 | 12,467,949 | Cantilever probe card device and light absorption probe | Measurement | CHUNGHWA PRECISION TEST TECH. CO., LTD. |
| Oct 7, 2025 | 12,439,004 | Feedback control panoramic monitoring and feedback control system and method | Audio-visual technology | NavCore Tech. Co., Ltd. |
| Apr 8, 2025 | 12,270,846 | Measuring system and measuring method of antenna pattern based on near field to far field transformation | Measurement | Chunghwa Telecom Co., Ltd. |
| Jan 21, 2025 | 12,203,961 | Vertical probe card device and fence-like probe thereof | Measurement | CHUNGHWA PRECISION TEST TECH. CO., LTD. |
| Dec 31, 2024 | 12,181,496 | Cantilever probe card and probe module thereof | Measurement | CHUNGHWA PRECISION TEST TECH. CO., LTD. |
| Nov 19, 2024 | 12,146,897 | Vertical probe card having different probes | Measurement | CHUNGHWA PRECISION TEST TECH. CO., LTD. |
| Oct 8, 2024 | 12,111,336 | Modular vertical probe card | Measurement | CHUNGHWA PRECISION TEST TECH. CO., LTD. |
| Sep 17, 2024 | 12,092,661 | Cantilever probe card device and elastic probe thereof | Measurement | CHUNGHWA PRECISION TEST TECH. CO., LTD. |
| Jul 2, 2024 | 12,028,218 | System and method for virtual network function and multi-access edge computing topology | Digital communication | Chunghwa Telecom Co., Ltd. |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Nov 13, 2025 | 2025/0350356 | OPTOELECTRONIC INTEGRATED CIRCUIT TESTING DEVICES | Measurement | CHUNGHWA PRECISION TEST TECH. CO., LTD. |
| Sep 11, 2025 | 2025/0283915 | PROBE CARD DEVICE HAVING EXPANSION CONFIGURATION AND PROBE HEAD THEREOF | Measurement | CHUNGHWA PRECISION TEST TECH. CO., LTD. |
| Sep 11, 2025 | 2025/0283914 | PROBE CARD DEVICE HAVING HEAT-DISSIPATION CONFIGURATION AND GUIDE BOARD MODULE THEREOF | Audio-visual technology | CHUNGHWA PRECISION TEST TECH. CO., LTD. |
| Sep 11, 2025 | 2025/0283912 | PROBE CARD DEVICE HAVING PARALLEL CONNECTION CONFIGURATION AND GUIDE BOARD MECHANISM THEREOF | Measurement | CHUNGHWA PRECISION TEST TECH. CO., LTD. |
| Jul 17, 2025 | 2025/0232658 | PANORAMIC FIRE SAFETY SYSTEM AND CONTROL METHOD THEREOF | Computer technology | NavCore Tech. Co., Ltd. |
| Jul 3, 2025 | 2025/0216450 | TEST DEVICE FOR OPTOELECTRONIC INTEGRATED CIRCUIT BEFORE BEING CO-PACKAGED | Measurement | CHUNGHWA PRECISION TEST TECH. CO., LTD. |
| Jun 5, 2025 | 2025/0183473 | BATTERY DEVICE AND COMBUSTION SUPPRESSION METHOD THEREOF | Electrical machinery, apparatus, energy | Chunghwa Telecom Co., Ltd. |
| Feb 20, 2025 | 2025/0060407 | TEST DEVICE FOR OPTOELECTRONIC INTEGRATED CIRCUIT | Measurement | CHUNGHWA PRECISION TEST TECH. CO., LTD. · patent 12,504,465 granted from it |
| Jan 9, 2025 | 2025/0016290 | FEEDBACK CONTROL PANORAMIC MONITORING AND FEEDBACK CONTROL SYSTEM AND METHOD | Audio-visual technology | NavCore Tech. Co., Ltd. · patent 12,439,004 granted from it |
| Nov 21, 2024 | 2024/0385223 | CANTILEVER PROBE CARD DEVICE AND SOLDER RECEIVING PROBE | Measurement | CHUNGHWA 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.