YC

Yin Chang

NC National Science Council: 3 patents #63 of 867Top 8%
Overall (All Time): #1,635,911 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5971543 Method of measuring metabolic activity employing an anomaloscope — 1999-10-26
5734459 Anomaloscope which can generate different illuminances for test — 1998-03-31
4966453 Four-channel anomaloscope Yao A. Fu 1990-10-30