Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4677302 | Optical system for inspecting printed circuit boards wherein a ramp filter is disposed between reflected beam and photodetector | Ming-Yee Chiu | 1987-06-30 |
| 4428670 | Fingerprint sensing device for deriving an electric signal | Hartwig Ruell, Ming-Yee Chiu | 1984-01-31 |