Sensor device and method for making the same
US-12493012-B2 · Dec 9, 2025 · US
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Chang Ching patents
Chang Ching is listed as an inventor on 14 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Chang Ching |
| Total patents | 14 |
| First publication | Jan 12, 2016 |
| Latest publication | Dec 9, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Non-invasive carbon dioxide sensor and method for manufacturing the same
US-2024350029-A1 · Oct 24, 2024 · US
Gas sensing device and detecting system
US-12050192-B2 · Jul 30, 2024 · US
Manufacturing method of circuit board
US-12052815-B2 · Jul 30, 2024 · US
Manufacturing method of circuit board
US-2023389172-A1 · Nov 30, 2023 · US
Circuit board and manufacturing method thereof and electronic device
US-11785707-B2 · Oct 10, 2023 · US
Sensor device and method for making the same
US-2023288363-A1 · Sep 14, 2023 · US
Test key structure
US-11404425-B2 · Aug 2, 2022 · US
Circuit board and manufacturing method thereof and electronic device
US-2022232694-A1 · Jul 21, 2022 · US
Non-invasive sensing electrode for determining concentration of glucose in liquid sample and method for manufacturing the same
US-2022125349-A1 · Apr 28, 2022 · US
Recent patents
Latest publications not already listed above.
Gas sensing device and detecting system
US-2022128503-A1 · Apr 28, 2022 · US
Test key structure
US-2021320109-A1 · Oct 14, 2021 · US
Semiconductor memory device
US-10134744-B1 · Nov 20, 2018 · US
Machining system
US-9233441-B2 · Jan 12, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Nat Tsing Hua | 6 |
| Unimicron Technology Corp | 4 |
| United Microelectronics Corp | 3 |
| Taipei Veterans General Hospital | 1 |
| Hon Hai Prec Ind Co Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H05K1/0221 | 4 |
| H05K1/0251 | 4 |
| H05K2201/09618 | 4 |
| H05K1/115 | 4 |
| H05K3/4652 | 4 |