Inventor
YANG TSUNG-MING
TW8 patents
⚠️ This page may combine multiple inventors who share the name “YANG TSUNG-MING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IND TECH RES INST
7 patentsUS5777803AJul 7, 1998
Objective lens for optical pick-up head of optical disk drive
IND TECH RES INST62 citations94
US5974020AOct 26, 1999
Two-wavelength laser pick-up head for a DVD
IND TECH RES INST24 citations91
US5905707AMay 18, 1999
Optical grating for a bifocal access head of optical disk drive devices
IND TECH RES INST27 citations91
US5748602AMay 5, 1998
Single-lens optical pick-up head for accessing a DVD disc and a CD disc by switching between two optical states
IND TECH RES INST19 citations82
US6064637AMay 16, 2000
Focusing and tracking method and system for the read/write head of an optical drive
IND TECH RES INST12 citations72
US5448407ASep 5, 1995
Equivalent wollaston prism for an optical pick-up head and an optical pick-up head using of the same
IND TECH RES INST7 citations63
US5715102AFeb 3, 1998
Beam shaper device for optical read/write heads
IND TECH RES INST4 citations62