Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12289808 | LED driver with integrated LED lighting for human centric black body dimming | Louis Chen, James H. Mohan | 2025-04-29 |
| 12284733 | Lighting system with a programmable correlated color temperature setting and dimmer level | Steven C. Krattiger, Louis Chen, James H. Mohan, Yuko Nakazawa | 2025-04-22 |
| 12273974 | System and method for driving lights with a dim-stop limit | Steven C. Krattiger, Louis Chen, James H. Mohan, Yuko Nakazawa | 2025-04-08 |
| 12127312 | Multi-channel LED driver with integrated LEDs having a multilayer structure | Louis Chen, James H. Mohan | 2024-10-22 |
| 12028945 | System and method for driving lights with a dim-stop limit | Steven C. Krattiger, Louis Chen, James H. Mohan, Yuko Nakazawa | 2024-07-02 |
| 11924933 | Light driver with improved dimming profile | Louis Chen, James H. Mohan | 2024-03-05 |
| 11882632 | LED driver with integrated LED lighting for human centric black body dimming | Louis Chen, James H. Mohan | 2024-01-23 |
| 11864281 | Multi-channel LED driver with integrated LEDs having a multilayer structure | Louis Chen, James H. Mohan | 2024-01-02 |
| 11864284 | Lighting system with a clamped correlated color temperature setting | Steven C. Krattiger, Louis Chen, James H. Mohan | 2024-01-02 |
| 11864286 | Controlling LED channel current via hybrid DC and PWM reference signal | Steven C. Krattiger, Louis Chen, James H. Mohan | 2024-01-02 |
| 11737191 | Semi-closed loop current sense and correction | Louis Chen, James H. Mohan | 2023-08-22 |
| 11711874 | Load-dependent active gain control for power factor correction | Louis Chen, James H. Mohan | 2023-07-25 |
| 11647569 | Multi-channel control from a single resonate winding | Louis Chen, James H. Mohan | 2023-05-09 |
| 11596037 | Voltage ripple detection and driver control for stable output current | Louis Chen, James H. Mohan | 2023-02-28 |
| 11528789 | Negative injection for power factor correction circuit performance enhancements | Louis Chen | 2022-12-13 |
| 11495958 | Overpower protection in a power supply system | Louis Chen, James H. Mohan | 2022-11-08 |
| 11452189 | External zero-crossing detection circuit for LED drivers | Louis Chen | 2022-09-20 |
| 11412592 | Using a linear pass element in quasi saturation mode to control ripple | Louis Chen, James H. Mohan | 2022-08-09 |
| 11272597 | Digital control of quasi saturated fets for ripple control | Louis Chen, James H. Mohan | 2022-03-08 |
| D870686 | Electrical housing | Rex Ian Cervera David | 2019-12-24 |
| D870685 | Electrical housing | Rex Ian Cervera David | 2019-12-24 |
| D870684 | Electrical housing | Rex Ian Cervera David | 2019-12-24 |
| D870058 | Electrical housing | Rex Ian Cervera David | 2019-12-17 |
| 10028340 | Wall mounted AC to DC converter gang box | — | 2018-07-17 |
| 8699242 | Synchronous drive circuit for variable frequency resonant converters | — | 2014-04-15 |