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Seungug Koh
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Sunnyvale, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Micro-opto-electro-mechanical waveguide switches
Patent number
7,085,445
Issue date
Aug 1, 2006
Seungug Koh
G02 - OPTICS
Information
Patent Grant
Scalable and mass-manufacturable OXC using liquid crystal cells
Patent number
6,992,748
Issue date
Jan 31, 2006
Reveo, Inc.
Seungug Koh
G02 - OPTICS
Information
Patent Grant
Wide-range and high-resolution variable optical delay
Patent number
6,958,843
Issue date
Oct 25, 2005
PetaComm, Inc.
Seungug Koh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multifunctional intelligent optical modules based on planar lightwa...
Patent number
6,801,679
Issue date
Oct 5, 2004
Seungug Koh
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Tunable laser-based spectroscopy system for non-invasively measurin...
Publication number
20080220512
Publication date
Sep 11, 2008
Nellcor Puritan Bennett LLC
Seungug Koh
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Optical isolator and variable optical attenuator isolator using liq...
Publication number
20050030623
Publication date
Feb 10, 2005
Seungug Koh
G02 - OPTICS
Information
Patent Application
Micro-opto-electro-mechanical waveguide switches
Publication number
20040264847
Publication date
Dec 30, 2004
Seungug Koh
G02 - OPTICS
Information
Patent Application
Wide-range and high-resolution variable optical delay
Publication number
20040080705
Publication date
Apr 29, 2004
Seungug Koh
G02 - OPTICS
Information
Patent Application
Scalable and mass-manufacturable OXC using liquid crystal cells
Publication number
20040042708
Publication date
Mar 4, 2004
Seungug Koh
G02 - OPTICS
Information
Patent Application
Multifunctional intelligent optical modules based on planar lightwa...
Publication number
20030113067
Publication date
Jun 19, 2003
Seungug Koh
G02 - OPTICS