Der-Shyang Jan

QU Quarton: 1 patents #2 of 7Top 30%

📍 Douliu, TW: #5 of 28 inventorsTop 20%

Overall (2004): #234,882 of 270,089Top 90%

Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6739062	Universal angle means	Wun-Chun Liou	2004-05-25