Yang-Oh Choi

DE Daewoo Electronics: 3 patents #14 of 158Top 9%

📍 Seoul, KR: #21 of 689 inventorsTop 4%

Overall (1997): #9,567 of 185,788Top 6%

Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5671206	Optical pickup device	—	1997-09-23
5646929	Optical pickup device	—	1997-07-08
5636190	Optical pickup system for use with an optical disk having multiple reflection hologram film	—	1997-06-03