Inventor

Seon Gyu Han

Inventor

Daejeon, KR

Overview

6→

Patents

1995–2007

Patent span

Physics

Primary field (CPC G)

Patents· 6 as inventor

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

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein29%

G02BOptical elements, systems or apparatus21%

B82YSpecific uses or applications of nanostructures14%

C07CAcyclic or carbocyclic compounds7%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%

C09DCoating compositions, e.g. paints, varnishes or lacquers7%

H04BTransmission7%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation7%

PatentTitleYear

7,202,324'Perfluorostyrene compound, and coating solution and optical waveguide device using the same'2007 6,303,040'Method of fabricating thermooptic tunable wavelength filter'2001 6,067,387'Electro-optic polymer waveguide device for decreasing a driving voltage and an optical loss and method of making the same'2000 5,828,796'Optical switch for reducing processing errors in a coupling region'1998 5,448,080'Ultrafast optical switching device having a double-junction multiple quantum well structure'1995 5,446,293'Resonant tunneling opto-electronic device having a plurality of window layers'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2001Patents assigned to KOREA ELECTRONICS TELECOMM (4)· patent assignee history

1995Patents assigned to ELECTRONICS AND TELECOMMUNCATI (1)· patent assignee history

1995–2007Based in Daejeon, KR· patent location history

1998–2000Patents assigned to KOREA TELECOMMUNICATION (2)· patent assignee history

2001Based in Taejon, KR· patent location history

2007Patents assigned to CHEMOPTICS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KOREA ELECTRONICS TELECOMM	4	1995–2001
KOREA TELECOMMUNICATION	2	1998–2000
CHEMOPTICS INC	1	2007
ELECTRONICS AND TELECOMMUNCATI	1	1995

Locations

Location	Patents	Span
Daejeon, KR	5	1995–2007
Taejon, KR	1	2001