P

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 patents
US7539381B2May 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

CHEN XIN

2 patents

LG ELECTRONICS INC

2 patents

ALFANO ROBERT R

1 patent

BENNETT KEVIN WALLACE

1 patent