Inventor

Un-Chul Paek

Inventor
Kwangju-Kwangyokshi, KR

Overview

29→
Patents
1978–2008
Patent span
Physics
Primary field (CPC G)

Patents· 29 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus40%
C03BManufacture, shaping, or supplementary processes22%
C03CChemical composition of glasses, glazes or vitreous enamels9%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure7%
D06BTreating textile materials using liquids, gases or vapours4%
G01MTesting static or dynamic balance of machines or structures4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
G01NInvestigating or analysing materials by determining their chemical or physical properties2%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein2%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light2%
PatentTitleYear
7,320,232'Apparatus for fabricating holey optical fiber'20086,845,202'Optical fiber maximizing residual mechanical stress'20056,813,959'Apparatus and method for measuring residual stress and photoelastic effect of optical fiber'20046,705,126'Method for fabricating holey optical fiber'20046,678,433'Apparatus and method for measuring residual stress and photoelastic effect of optical fiber'20046,647,162'Apparatus and method for measuring residual stress and photoelastic effect of optical fiber'20036,636,684'Dispersive optical fiber using binary component silica'20036,600,863'Method for fabricating alloy-coated optical fiber'20036,568,220'Method of fabricating optical fiber gratings maximizing residual mechanical stress in the optical fibers'20036,523,368'Dispersion-managed fiber preform and fabricating method thereof by MCVD'20036,392,789'Erbium-doped optical fiber having gratings formed therein and fabrication method thereof'20026,385,370'Device and method for forming anti-symmetric long period optical fiber gratings by microbending'20026,373,564'Image tracking device and method for transverse measurement of optical fiber'20026,307,994'Multi-cladding optical fiber, long-period optical fiber grating written therein and writing method thereof'20016,307,993'Optical fiber for wavelength division miltiplexing communications'20016,279,354'Cooler of optical fiber draw tower'20016,233,386'Optical fiber for use in Bragg grating and fiber Bragg grating using the same'20016,053,013'Apparatus and method for overcladding optical fiber preform rod and optical fiber drawing method'20004,713,105'Method for glass fiber splicing by flame fusion'19874,608,473'Modified zirconia induction furnace'19864,594,088'Method and apparatus for making, coating and cooling lightguide fiber'19864,578,098'Apparatus for controlling lightguide fiber tension during drawing'19864,539,226'High speed lightguide coating apparatus'19854,533,378'Modified zirconia induction furnace'19854,516,826'Single mode lightguide fiber having a trapezoidal refractive index profile'19854,450,333'Zirconia induction furnace'19844,412,722'Single mode fiber with graded index of refraction'19834,156,044'Methods and apparatus for coating a filament'19794,076,510'Methods and apparatus for coating a filament'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1983Patents assigned to WESTERN ELECTRIC CO (3)· patent assignee history
1978–1986Based in West Windsor, NJ, US· patent location history
1983Patents assigned to BELL TELEPHONE LABOR INC (1)· patent assignee history
1984–1986Patents assigned to AT & T TECHNOLOGIES INC (7)· patent assignee history
1986–1987Based in Lawrenceville, NJ, US· patent location history
1987Patents assigned to AMERICAN TELEPHONE & TELEGRAPH (1)· patent assignee history
2000–2008Patents assigned to SAMSUNG ELECTRONICS CO LTD (17)· patent assignee history
2000–2008Based in Kwangju-Kwangyokshi, KR· patent location history
2001–2003Based in Kwangju, KR· patent location history
2003–2004Based in Kumi-shi, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAMSUNG ELECTRONICS CO LTD172000–2008
AT & T TECHNOLOGIES INC71984–1986
WESTERN ELECTRIC CO31978–1983
AMERICAN TELEPHONE & TELEGRAPH11987
BELL TELEPHONE LABOR INC11983
Locations
LocationPatentsSpan
Kwangju-Kwangyokshi, KR102000–2008
West Windsor, New Jersey, US91978–1986
Kwangju, KR52001–2003
Kumi-shi, KR32003–2004
Lawrenceville, New Jersey, US21986–1987