Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11710759 | Single contact relief print generator | David A. Hardinger, Spencer R. Canizales, Sang Hoon Chae, Frederick Frye, Dong Hyuk JANG | 2023-07-25 |
| 7876399 | Liquid crystal display with split electrode | Mark A. Seelhammer, David G. Pires | 2011-01-25 |
| 7843140 | AC switch with zero off current for EL panel | Christopher Eric Papke, Harold Gee Yee | 2010-11-30 |
| 7190600 | Single output EL driver producing reduced current spikes | Kenneth Vi Ung, Harold Gee Yee | 2007-03-13 |
| 7009346 | Driving an EL panel without DC bias | Mahyar Vahabzadeh, William A. Coghlan | 2006-03-07 |
| 6597123 | Inverter for driving EL lamp and liquid crystal display | Brian Buell | 2003-07-22 |
| 6580222 | Inverter for driving EL lamp and light emitting diodes | Brian Buell | 2003-06-17 |
| 6462485 | EL driver for small semiconductor die | — | 2002-10-08 |
| 6407507 | Personal electronic device having EL lamp and buzzer powered from a single inductor | — | 2002-06-18 |
| 6204609 | Enhanced inverter for powering an EL lamp | — | 2001-03-20 |
| 5502357 | Low cost inverter for EL lamp | — | 1996-03-26 |
| 5493183 | Open loop brightness control for EL lamp | — | 1996-02-20 |
| 5483503 | Split chip inverter for EL lamp | — | 1996-01-09 |
| 5349269 | Power supply having dual inverters for electroluminescent lamps | — | 1994-09-20 |
| 5347198 | Low cost AC switch for electroluminescent lamps | — | 1994-09-13 |
| 5313141 | Three terminal inverter for electroluminescent lamps | — | 1994-05-17 |