Inventor

Won Taek Han

Inventor

Gwangju, KR

Overview

10→

Patents

2002–2018

Patent span

Physics

Primary field (CPC G)

Patents· 10 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary

G02BOptical elements, systems or apparatus32%

B82YSpecific uses or applications of nanostructures12%

C03BManufacture, shaping, or supplementary processes12%

C03CChemical composition of glasses, glazes or vitreous enamels8%

G01DMeasuring not specially adapted for a specific variable8%

G01NInvestigating or analysing materials by determining their chemical or physical properties8%

A61BDiagnosis4%

A61NElectrotherapy4%

G01MTesting static or dynamic balance of machines or structures4%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%

PatentTitleYear

9,983,352Optical fiber having a cladding layer doped with metal nano-particles, coreless optical fiber, and method for manufacturing same2018 9,618,777'All-fiber isolator using optical fiber including quantum dots'2017 9,523,813'Optical fiber having a cladding layer doped with metal nano-particles, coreless optical fiber, and method for manufacturing same'2016 9,352,169'Medical mask device which uses optical fibers'2016 8,418,504'Method of fabricating optical fiber or optical device doped with reduced metal ion and/or rare earth ion'2013 8,081,854'Low bend loss optical fiber'2011 7,844,189'Phase controllable optical delay interferometer, optical differential phase shift keying demodulator using the same, and demodulating method therefor'2010 6,898,357'Method of fabricating an optical fiber preform using MCVD and nonlinear optical fiber fabricated using the method'2005 6,757,473'Optical fiber and planar waveguide for achieving a substantially uniform optical attenuation'2004 6,441,893'Measurement method of resonant nonlinearity in a nonlinear optical fiber using a long period fiber grating pair'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2011Patents assigned to KWANGJU INST SCI & TECH (2)· patent assignee history

2002Based in Daejon, KR· patent location history

2004–2013Patents assigned to OPTONEST CORP (2)· patent assignee history

2004–2017Based in Gwangju, KR· patent location history

2011–2013Patents assigned to HAN WON-TAEK (2)· patent assignee history

2016–2018Patents assigned to GWANGJU INST SCIENCE & TECH (2)· patent assignee history

2016–2017Patents assigned to HAN WON TAEK (2)· patent assignee history

2018Based in Gwanju, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GWANGJU INST SCIENCE & TECH	2	2016–2018
HAN WON TAEKself	2	2016–2017
HAN WON-TAEKself	2	2011–2013
KWANGJU INST SCI & TECH	2	2002–2011
OPTONEST CORP	2	2004–2013

Locations

Location	Patents	Span
Gwangju, KR	8	2004–2017
Gwanju, KR	1	2018
Daejon, KR	1	2002