Membership
Tour
Register
Log in
Woo Sok Chang
Follow
Person
Lexington, MA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Electromechanical valve drive incorporating a nonlinear mechanical...
Patent number
6,755,166
Issue date
Jun 29, 2004
Massachusetts Institute of Technology
Woo Sok Chang
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Omni-directional high precision friction drive positioning stage
Patent number
6,457,864
Issue date
Oct 1, 2002
Massachusetts Institute of Technology
Woo Sok Chang
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Apparatus and method for rotational coating
Publication number
20080286441
Publication date
Nov 20, 2008
Levitronix LLC
Woo Sok Chang
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electromechanical valve drive incorporating a nonlinear mechanical...
Publication number
20030051688
Publication date
Mar 20, 2003
Woo Sok Chang
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC