Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12362523 | Powered tree construction with rotation limiting | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2025-07-15 |
| 12129995 | Systems and methods for controlling decorative lighting | Chi Yin Alan Leung, Eric SZWEDA | 2024-10-29 |
| 12111042 | Variable multi-color LED light string and controller for an artificial tree | Chi Yin Alan Leung | 2024-10-08 |
| 11967790 | Powered tree construction with rotation limiting | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2024-04-23 |
| 11799251 | Powered tree construction with rotation limiting | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2023-10-24 |
| 11602237 | Multi-wire quick assemble tree | Chi Yin Alan Leung, Chang-Jun He | 2023-03-14 |
| 11460179 | Variable multi-color LED light string and controller for an artificial tree | Chi Yin Alan Leung | 2022-10-04 |
| 11095078 | Powered tree construction with rotation limiting | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2021-08-17 |
| 11019692 | Variable multi-color LED light string and controller for an artificial tree | Chi Yin Alan Leung | 2021-05-25 |
| 10985513 | Powered tree construction with rotation limiting | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2021-04-20 |
| 10842306 | Multi-wire quick assemble tree | Chi Yin Alan Leung, Chang-Jun He | 2020-11-24 |
| 10777949 | Powered tree construction | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2020-09-15 |
| 10728978 | Variable multi-color LED light string and controller for an artificial tree | Chi Yin Alan Leung | 2020-07-28 |
| 10533738 | Systems and methods for water-resistant lamp holders | Chi Yin Alan Leung, Changjun He | 2020-01-14 |
| 10522954 | Powered tree construction | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2019-12-31 |
| 10440795 | Variable multi-color LED light string and controller for an artificial tree | Chi Yin Alan Leung | 2019-10-08 |
| 10404019 | Powered tree construction | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2019-09-03 |
| 9912109 | Powered tree construction | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2018-03-06 |
| 9907136 | Variable multi-color LED light string and controller for an artificial tree | Chi Yin Alan Leung | 2018-02-27 |
| 9843147 | Powered tree construction | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2017-12-12 |
| 9839315 | Multi-wire quick assemble tree | Chi Yin Alan Leung, Chang-Jun He | 2017-12-12 |
| D744695 | Lamp cover | Chi Yin Alan Leung | 2015-12-01 |
| 9119495 | Powered tree construction | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2015-09-01 |
| 8959810 | Powered tree construction | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2015-02-24 |
| 8863416 | Powered tree construction | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2014-10-21 |