Inventor
CHANG CHI-LONE
TW20 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHI-LONE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IND TECH RES INST
6 patentsUS6844983B2Jan 18, 2005
Near-field objective lens for an optical head
IND TECH RES INST9 citations72
US6717331B1Apr 6, 2004
Piezoelectric ultrasonic motor with multi-layer thin disks
IND TECH RES INST12 citations72
US7408848B2Aug 5, 2008
Objective lens actuator
IND TECH RES INST6 citations62
US6996037B2Feb 7, 2006
Pickup head actuator
IND TECH RES INST2 citations60
US7486592B2Feb 3, 2009
Optical head having dual optical paths
IND TECH RES INST0 citations40
US6754902B2Jun 22, 2004
Driving mechanism for optical head of optical disc driver
IND TECH RES INST0 citations40
CHANG CHI-LONE
6 patentsUS8248576B2Aug 21, 2012
Double-layer liquid crystal lens apparatus
CHANG CHI-LONE6 citations71
US8310114B2Nov 13, 2012
Power generating device
CHANG CHI-LONE3 citations61
US8432073B2Apr 30, 2013
Power generating device
CHANG CHI-LONE1 citations51
US8797498B2Aug 5, 2014
Liquid crystal optical lens and manufacturing method thereof, lens apparatus using liquid crystal optical lens
CHANG CHI-LONE0 citations40
US8421989B2Apr 16, 2013
Liquid crystal lens
CHANG CHI-LONE0 citations40
US8237890B2Aug 7, 2012
3D grid controllable liquid crystal lens and manufacturing method thereof
CHANG CHI-LONE0 citations40
POWERGATE OPTICAL INC
5 patentsUS7158316B2Jan 2, 2007
Suspension apparatus for auto-focus lens device and a method for fabricating the same
POWERGATE OPTICAL INC28 citations91
US8040621B2Oct 18, 2011
Miniature magnetic-levitated lens driving device
POWERGATE OPTICAL INC35 citations90
US7391579B2Jun 24, 2008
Minature zoom lens
POWERGATE OPTICAL INC19 citations81
US7505219B2Mar 17, 2009
Multi-stage lens driving device
POWERGATE OPTICAL INC4 citations59
US7574125B2Aug 11, 2009
Two-stage lens driving device
POWERGATE OPTICAL INC3 citations56