Inventor
Changsoo Kwak
Inventor
Daejeon, KR
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Pprimary
H01PWaveguides43%
H01QAntennas, i.e. radio aerials21%
G01BMeasuring length, thickness or similar linear dimensions14%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices7%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
10,727,556Multimode microwave filter202010,211,500Tunable low-pass filter using dual mode20199,905,903'Resonator filter having a rotatable rod that presses a dielectric material into an elastic spring material'20188,797,122'Butler matrix'20148,422,232'System for controlling temperature of antenna module'20138,410,872'Line filter formed on dielectric layers'20138,314,667'Coupled line filter and arraying method thereof'20128,066,445'Apparatus for adjusting length of tension tie for cable network antenna'20117,283,254'Apparatus for shifting reference distance of laser displacement sensor'20077,009,197'Apparatus for measuring gap between mask and substrate using laser displacement sensor, and method thereof'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2014Patents assigned to KOREA ELECTRONICS TELECOMM (7)· patent assignee history
2006–2020Based in Daejeon, KR· patent location history
2007–2013Based in Daejon, KR· patent location history
2011–2014Patents assigned to KWAK CHANGSOO (5)· patent assignee history
2011–2013Patents assigned to YOM IN-BOK (3)· patent assignee history
2012–2014Patents assigned to YUN SO-HYEUN (3)· patent assignee history
2018–2020Patents assigned to ELECTRONICS & TELECOMMUNICATIONS RES INST (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOREA ELECTRONICS TELECOMM | 7 | 2006–2014 |
| KWAK CHANGSOOself | 5 | 2011–2014 |
| ELECTRONICS & TELECOMMUNICATIONS RES INST | 3 | 2018–2020 |
| YOM IN-BOK | 3 | 2011–2013 |
| YUN SO-HYEUN | 3 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daejeon, KR | 7 | 2006–2020 |
| Daejon, KR | 3 | 2007–2013 |