Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5892330 | Manually controlable light feedback adjustment device for gas discharge lighting systems | — | 1999-04-06 |
| 5519311 | Control of AC power to inductive loads | — | 1996-05-21 |
| 4933798 | Self protecting and automatic resetting capacitor synchronous switch apparatus for control of AC power to inductive loads | Weitzu Chiu | 1990-06-12 |
| 4766352 | Method and apparatus for starting and operating fluorescent lamp and auxiliary ballast systems at reduced power levels | — | 1988-08-23 |
| 4642525 | Transient control circuit for fluorescent lamp systems | — | 1987-02-10 |
| 4394603 | Energy conserving automatic light output system | — | 1983-07-19 |
| 4371812 | Light regulation system | — | 1983-02-01 |
| 4352045 | Energy conservation system using current control | — | 1982-09-28 |
| 4234820 | Light regulation system | — | 1980-11-18 |