Inventor
Min-Cheol Oh
Inventor
Busan, KR
Overview
Patents· 11 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 therein50%
G02BOptical elements, systems or apparatus28%
H04BTransmission11%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
G01RMeasuring electric variables6%
PatentTitleYear
8,753,494'Gas sensor and preparing method of the same'20148,655,115'Integrated polymer optical waveguide current sensor'20147,366,363'Low-voltage flexible optic polymer modulators'20086,813,417'Tapered waveguide interconnection structure and method of fabricating the same'20046,741,762'Back biased electro-optical modulator'20046,558,585'Techniques for electrode poling of electro-optic polymers to eliminate poling induced optical loss and poling induced damage to electro-optic chromophores'20036,303,040'Method of fabricating thermooptic tunable wavelength filter'20016,067,387'Electro-optic polymer waveguide device for decreasing a driving voltage and an optical loss and method of making the same'20006,011,641'Wavelength insensitive passive polarization converter employing electro-optic polymer waveguides'20005,966,476'Spatial switch using an optical beam steering device'19995,835,644'TE-pass optical waveguide polarizer using elecro-optic polymers'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2001Patents assigned to KOREA ELECTRONICS TELECOMM (3)· patent assignee history
1998–2000Based in Daejeon, KR· patent location history
1999Patents assigned to ELECTONICS AND TELECOMMUNICATI (1)· patent assignee history
1999Based in Kumi-shi, KR· patent location history
2000–2001Based in Taejon, KR· patent location history
2003–2004Patents assigned to PACIFIC WAVE IND INC (3)· patent assignee history
2003–2004Based in Glendale, CA, US· patent location history
2008–2014Based in Busan, KR· patent location history
2014Patents assigned to OH MIN-CHEOL (2)· patent assignee history
2014Patents assigned to DO HYUNKYUNG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOREA ELECTRONICS TELECOMM | 3 | 1998–2001 |
| PACIFIC WAVE IND INC | 3 | 2003–2004 |
| OH MIN-CHEOLself | 2 | 2014 |
| DO HYUNKYUNG | 1 | 2014 |
| ELECTONICS AND TELECOMMUNICATI | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Busan, KR | 3 | 2008–2014 |
| Glendale, California, US | 3 | 2003–2004 |
| Taejon, KR | 2 | 2000–2001 |
| Daejeon, KR | 2 | 1998–2000 |
| Kumi-shi, KR | 1 | 1999 |