Inventor
KOH JOOHYUN
US25 patents
⚠️ This page may combine multiple inventors who share the name “KOH JOOHYUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CORNING INC
19 patentsUS7539381B2May 26, 2009
Low bend loss coated optical fiber
CORNING INC263 citations99
US7412142B2Aug 12, 2008
Optical fiber with plurality of air holes and stress rods
CORNING INC19 citations93
US7139458B2Nov 21, 2006
Double clad rare earth doped fiber
CORNING INC20 citations91
US6821449B2Nov 23, 2004
Two step etching process for an optical fiber preform
CORNING INC42 citations88
US8000576B2Aug 16, 2011
Double-clad optical fibers and devices with double-clad optical fibers
CORNING INC19 citations84
US7899294B2Mar 1, 2011
Double-clad optical fibers and devices with double-clad optical fibers
CORNING INC12 citations84
US7590324B1Sep 15, 2009
Double-clad optical fibers and devices with double-clad optical fibers
CORNING INC13 citations84
US7382957B2Jun 3, 2008
Rare earth doped double clad optical fiber with plurality of air holes and stress rods
CORNING INC16 citations84
US7280728B2Oct 9, 2007
Rare earth doped single polarization double clad optical fiber with plurality of air holes
CORNING INC13 citations84
US7203407B2Apr 10, 2007
Rare earth doped single polarization double clad optical fiber and a method for making such fiber
CORNING INC18 citations84
US7200309B2Apr 3, 2007
Single polarization and polarization maintaining optical fibers and system utilizing same
CORNING INC7 citations73
US6901775B2Jun 7, 2005
Method and apparatus for providing a uniform coating thickness along an axial direction within a substrate tube
CORNING INC8 citations71
US6862900B2Mar 8, 2005
Method and apparatus for reducing stress between depositions within a substrate tube
CORNING INC8 citations71
US7813611B2Oct 12, 2010
Aluminum doped optical fiber
CORNING INC6 citations63
US7697809B2Apr 13, 2010
Polarization maintaining and single polarization optical fiber
CORNING INC6 citations63
US7424194B2Sep 9, 2008
Single polarization fiber and method of evaluating fiber cutoff wavelengths using optical time domain reflectometry
CORNING INC2 citations63
US7177512B2Feb 13, 2007
Solid type polarization maintaining fiber and apparatus
CORNING INC5 citations63
US7999930B2Aug 16, 2011
Detection system and optical fiber for use in such system
CORNING INC0 citations52
US7689084B2Mar 30, 2010
Optical fiber and a method of making
CORNING INC1 citations49