Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300960 | Dot printer and method for grey level recording and circuit for use in same | Hieu T. Pham, Eric K. Zeise | 1994-04-05 |
| 5257039 | Non-impact printhead and driver circuit for use therewith | Jeremy K. Chung, Kenneth D. Kieffer | 1993-10-26 |
| 4941004 | Printer apparatus | Hieu T. Pham, Yee S. Ng, Kenneth D. Kieffer, Eric K. Zeise | 1990-07-10 |
| 4885597 | Non-impact printer apparatus with improved current mirror driver and method of printing | Hieu T. Pham, Kenneth D. Kieffer | 1989-12-05 |
| 4831395 | Printer apparatus | Hieu T. Pham, Yee S. Ng, Kenneth D. Kieffer, Eric K. Zeise | 1989-05-16 |
| 4750010 | Circuit for generating center pulse width modulated waveforms and non-impact printer using same | Charles E. Ayers, Kenneth D. Kieffer, Yee S. Ng, Hieu T. Pham, 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, Kenneth D. Kieffer | 1988-05-24 |
| 4458989 | Electro-optic addressing apparatus and novel modulator configurations for use therein | — | 1984-07-10 |
| 4449153 | Light valve imaging apparatus and method having supplemental exposure control | — | 1984-05-15 |
| 4214264 | Hybrid color image sensing array | John Hayward, Benjamin B. Snavely | 1980-07-22 |