Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680594 | Asic bus interface having a master state machine and a plurality of synchronizing state machines for controlling subsystems operating at different clock frequencies | David Charneski, John J. Uebelacker, Richard A. Wanzenried | 1997-10-21 |
| 5257039 | Non-impact printhead and driver circuit for use therewith | Jeremy K. Chung, Pin S. Tschang | 1993-10-26 |
| 5166702 | LED printhead with improved current mirror driver and driver chip therefor | Michael W. Mattern, Jeremy K. Chung | 1992-11-24 |
| 4941004 | Printer apparatus | Hieu T. Pham, Yee S. Ng, Pin S. Tschang, Eric K. Zeise | 1990-07-10 |
| 4885597 | Non-impact printer apparatus with improved current mirror driver and method of printing | Pin S. Tschang, Hieu T. Pham | 1989-12-05 |
| 4831395 | Printer apparatus | Hieu T. Pham, Yee S. Ng, Pin S. Tschang, Eric K. Zeise | 1989-05-16 |
| 4750010 | Circuit for generating center pulse width modulated waveforms and non-impact printer using same | Charles E. Ayers, Yee S. Ng, Hieu T. Pham, Pin S. Tschang, Eric K. Zeise | 1988-06-07 |
| 4746941 | Dot printer with token bit selection of data latching | Hieu T. Pham, Yee S. Ng, Eric K. Zeise, Pin S. Tschang | 1988-05-24 |