Inventor
Joo Yul Ko
Inventor
Kyungki-do, KR
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television16%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters15%
G02BOptical elements, systems or apparatus9%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them8%
H02KDynamo-electric machines5%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation5%
H03KPulse technique3%
H04BTransmission3%
G01RMeasuring electric variables2%
H01LSemiconductor devices2%
PatentTitleYear
10,868,946Actuator of camera module202010,855,891Apparatus for controlling position of camera module202010,790,824Switching operation sensing apparatus with touch input member identification202010,637,375Actuator and position control apparatus using voice coil motor method with temperature compensation function202010,591,697Camera module actuator202010,554,875Apparatus for controlling position of camera module using peak detection202010,554,163Apparatus for controlling position of voice coil motor using voltage/frequency conversion techniques202010,451,661Digital frequency measuring apparatus201910,451,835Actuator of camera module201910,212,360Actuator and driving apparatus of camera module20199,680,084'Piezoelectric element driving apparatus and method, and piezoelectric system using the same'20179,117,992'Apparatus for driving piezo actuator and method of driving the same'20159,099,949'Back electromotive force detection circuit and motor driving control apparatus using the same'20159,093,939'Motor driving control apparatus, motor driving control method, and motor using the same'20159,077,270'Motor position and velocity detecting system'20159,041,333'Motor driving control apparatus, motor driving control method, and motor using the same'20158,963,467'Motor driving device and method of controlling the same'20158,957,615'Motor driving apparatus'20158,952,641'Biasing circuit for hall sensor and hall amplifier in motor driving circuit'20158,866,424'Motor driving device'20148,829,834'Motor driving control apparatus and method, and motor using the same'20148,766,679'Power on reset (POR) circuit'20147,817,198'Active pixel array of CMOS image sensor'20107,773,966'Mobile terminal and method of reducing interfering phase-noise in the mobile terminal'20107,664,455'Telephone signal cancellation circuit, digital broadcasting reception circuit and portable digital broadcasting reception apparatus'20107,565,121'Clock noise canceling circuit'20097,348,539'Image sensor for semiconductor light-sensing device and image processing apparatus using the same'20087,348,533'Unit pixel of CMOS image sensor'20087,235,772'Image sensor with anti-saturation function in pixel level'20077,141,826'Multi-wavelength light receiving element and method of fabricating same'20067,057,423'Current-voltage transforming circuit employing limiter circuit'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2020Patents assigned to SAMSUNG ELECTRO MECH (31)· patent assignee history
2006–2015Based in Kyungki-do, KR· patent location history
2010Based in Pyeongtaek, KR· patent location history
2014Patents assigned to KO JOO YUL (1)· patent assignee history
2014–2015Based in Gyeonggi-do, KR· patent location history
2017Patents assigned to MPLUS CO LTD (1)· patent assignee history
2017–2020Based in Suwon-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAMSUNG ELECTRO MECH | 31 | 2006–2020 |
| KO JOO YULself | 1 | 2014 |
| MPLUS CO LTD | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyungki-do, KR | 15 | 2006–2015 |
| Suwon-si, KR | 11 | 2017–2020 |
| Gyeonggi-do, KR | 4 | 2014–2015 |
| Pyeongtaek, KR | 1 | 2010 |