Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485998 | Linear pin photodiode | Robert Eugene Frahm, Keon M. Lee, Dennis Ronald Zolnowski | 2002-11-26 |
| 6326649 | Pin photodiode having a wide bandwidth | Chia C. Chang, Robert Eugene Frahm, Keon M. Lee, Dennis Ronald Zolnowski | 2001-12-04 |
| 6081020 | Linear PIN photodiode | Robert Eugene Frahm, Keon M. Lee, Dennis Ronald Zolnowski | 2000-06-27 |
| 6064782 | Edge receptive photodetector devices | Philip J. Anthony, Wilbur D. Johnston, Jr., Dirk Joachim Muehlner | 2000-05-16 |
| 5976331 | Electrodeposition apparatus for coating wafers | Chia C. Chang, Robert Eugene Frahm | 1999-11-02 |
| 4424544 | Optically toggled bidirectional switch | Gee-Kung Chang, Mahmoud A. El Hamamsy, Adrian R. Hartman | 1984-01-03 |