Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7247997 | Electroluminescent lamp driving circuit and method | Lap Lee Chow, Lap Hang Chow | 2007-07-24 |
| 6836065 | Fluorescent lamp with uncoated region of fluorescent materil | — | 2004-12-28 |
| 6825613 | Mercury gas discharge device | Lap Lee Chow | 2004-11-30 |
| 6815883 | Cold cathode fluorescent lamp with a double-tube construction | Lap Lee Chow | 2004-11-09 |
| 6728295 | Code division multiple access communication system using overlapping spread sequences | Arumugam Nallanathan, Tung Ng | 2004-04-27 |
| 6707251 | Flash discharge lamp | Lap Lee Chow | 2004-03-16 |
| 5453668 | Method and circuitry for producing dynamic illumination of discharge lamp | — | 1995-09-26 |
| 5164610 | Method and apparatus for transmitting electrical energy to a moving device by means of capacitive coupling | — | 1992-11-17 |
| 4740729 | Plural-color discharge lamps | — | 1988-04-26 |
| 4645979 | Display device with discharge lamp | — | 1987-02-24 |
| 4471350 | Display device using a discharge lamp | — | 1984-09-11 |
| 4315187 | Stroboscopic dishcharge tube for photography | — | 1982-02-09 |