Inventor
Cheol-Jung Kim
Inventor
Daejeon, KR
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering27%
B01DSeparation9%
G01BMeasuring length, thickness or similar linear dimensions9%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light9%
G06TImage data processing or generation, in general9%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light9%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems9%
H04BTransmission9%
H04LTransmission of digital information, e.g. telegraphic communication9%
PatentTitleYear
7,804,801'QR decomposition apparatus and method for MIMO system'20107,323,651'Method for isotope separation of thallium'20086,555,780'Method for monitoring the size variation and the focus shift of a weld pool in laser welding'20036,344,625'Method and apparatus for monitoring the size variation and the focus shift of a weld pool in laser welding'20026,188,041'Method and apparatus for real-time weld process monitoring in a pulsed laser welding'20016,046,812'Shape-measuring laser apparatus using anisotropic magnification optics'20005,875,026'Method and system for spatial filtering of an extended radiation source with chromatic aberration of imaging optics in single-element detector measurement for monitoring of the extended radiation source'19995,661,745'Method and apparatus for generating high peak power laser pulses in lamp pumped continuous wave lasers by current mixing'19975,652,699'High-voltage and high-power stabilized DC power supply using modified sine wave output 3-phase inverter'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2008Patents assigned to KOREA ATOMIC ENERGY RES (8)· patent assignee history
1997–2000Patents assigned to KOREA ELECTRIC POWER CORP (2)· patent assignee history
1997–2008Based in Daejeon, KR· patent location history
2000Based in Taejon, KR· patent location history
2008Patents assigned to KOREA HYDRO & NUCLEAR POWER CO (1)· patent assignee history
2010Patents assigned to KOREA ELECTRONICS TELECOMM (1)· patent assignee history
2010Based in Daejon, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOREA ATOMIC ENERGY RES | 8 | 1997–2008 |
| KOREA ELECTRIC POWER CORP | 2 | 1997–2000 |
| KOREA ELECTRONICS TELECOMM | 1 | 2010 |
| KOREA HYDRO & NUCLEAR POWER CO | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daejeon, KR | 7 | 1997–2008 |
| Daejon, KR | 1 | 2010 |
| Taejon, KR | 1 | 2000 |