Lighting device with regions of differing spectral ranges
US-12474035-B2 · Nov 18, 2025 · US
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Tu Kuan-Hsien patents
Tu Kuan-Hsien is listed as an inventor on 18 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Tu Kuan-Hsien |
| Total patents | 18 |
| First publication | Jan 5, 2017 |
| Latest publication | Nov 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Lighting device
US-2024172347-A1 · May 23, 2024 · US
Lighting device
US-11974367-B2 · Apr 30, 2024 · US
Ethernet power supply
US-11962426-B2 · Apr 16, 2024 · US
Ethernet power supply and power saving method of controlling the same
US-11953964-B2 · Apr 9, 2024 · US
Lighting device
US-2023383929-A1 · Nov 30, 2023 · US
Lighting device
US-2023337340-A1 · Oct 19, 2023 · US
Ethernet power supply and power saving method of controlling the same
US-2023180450-A1 · Jun 8, 2023 · US
Ethernet power supply
US-2023179436-A1 · Jun 8, 2023 · US
Ultraviolet air germicidal lamp system
US-11576993-B2 · Feb 14, 2023 · US
Recent patents
Latest publications not already listed above.
Ultraviolet air germicidal lamp system
US-2022111106-A1 · Apr 14, 2022 · US
Power source equipment with powering over ethernet
US-11212122-B2 · Dec 28, 2021 · US
Power source equipment with powering over ethernet
US-2021126804-A1 · Apr 29, 2021 · US
Power converting device and control method thereof for providing backup power source
US-10505388-B2 · Dec 10, 2019 · US
Judgement unit and controlling method thereof, power supply device and controlling method thereof
US-2018375674-A1 · Dec 27, 2018 · US
LED lighting module having tunable correlated color temperature and control method thereof
US-10165645-B2 · Dec 25, 2018 · US
Power converting device and control method thereof
US-2017366043-A1 · Dec 21, 2017 · US
Led lighting module having tunable correlated color temperature and control method thereof
US-2017006684-A1 · Jan 5, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Delta Electronics Inc | 18 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H04L12/10 | 7 |
| F21Y2115/10 | 4 |
| H05B45/20 | 4 |
| H05B45/32 | 3 |
| H05B45/59 | 3 |