Inventor

Gwanbon Koo

Inventor

Bucheon-si, KR

Overview

37→

Patents

2016–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 37 as inventor

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

H02Mprimary

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 systems31%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications25%

G01RMeasuring electric variables12%

H02JElectric power networks6%

G05FSystems for regulating electric or magnetic variables3%

H01FMagnets3%

H04BTransmission3%

Y02PClimate change mitigation technologies in the production or processing of goods3%

H02HEmergency protective circuit arrangements2%

H03JTuning resonant circuits2%

PatentTitleYear

10,825,598Planar magnetic element2020 10,790,753Reduced voltage switching of a main switch in flyback power converters2020 10,790,748Soft-start circuit and buck converter comprising the same2020 10,790,756Variable blanking frequency for resonant converters2020 10,784,784DC-DC converter with dynamic feedback loop2020 10,700,592Load detecting device2020 10,574,146Converter and driving method thereof2020 10,560,030Cable compensation circuit and power supply including the same2020 10,554,129Switch control circuit and buck converter including the same2020 10,510,477Planar transformer with multilayer circuit board2019 10,491,117Soft-start circuit for buck converter control2019 10,468,985Input AC line control for AC-DC converters2019 10,389,254Cable compensation circuit and power supply including the same2019 10,326,371Providing adaptive output power2019 10,320,301Power converter responsive to device connection status2019 10,291,122Input voltage detection circuit and power supply including the same2019 10,289,134Cable compensation circuit2019 10,277,128Switch control circuit and buck converter comprising the same2019 10,236,720Wireless power transfer system and driving method thereof2019 10,199,921Load detecting device2019 10,177,645Synchronous rectifier turn-on enable2019 10,164,528Switch control circuit and buck converter including the same2018 10,148,188Clamp voltage detection and over-voltage protection for power supply topologies2018 10,141,830Burst operation of a switching controller having a plurality of foldback curves2018 10,069,426Active clamp flyback converter2018 10,038,388Converter having a low conduction loss and driving method thereof2018 9,991,812Variable blanking frequency for resonant converters2018 9,917,503'Overcurrent protection circuit and power factor correction circuit comprising the same'2018 9,831,777Switch control circuit and converter including the same2017 9,825,541'Output current estimating method and power supply device using the same'2017 9,762,068'Wireless power transfer system'2017 9,716,399'Vehicle charger'2017 9,504,104'Power supply apparatus and driving method thereof'2016 9,482,724'Load detecting method and power supply device where the method is applied'2016 9,350,257'Power supply apparatus and driving method thereof'2016 9,331,604'Piezoelectric driving circuit and piezoelectric driving method'2016 9,306,244'Bidirectional interface circuit and battery management system including the same'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016–2020Patents assigned to FAIRCHILD KOREA SEMICONDUCTOR LTD (20)· patent assignee history

2016Patents assigned to FAIRCHILD KR SEMICONDUCTOR LTD (3)· patent assignee history

2016–2020Based in Bucheon-si, KR· patent location history

2017Patents assigned to FAIRCHILD KOREA SEMICONDCUTOR LTD (1)· patent assignee history

2018–2020Patents assigned to SEMICONDUCTOR COMPONENTS IND LLC (25)· patent assignee history

2018–2019Patents assigned to FAIRCHILD SEMICONDUCTOR (2)· patent assignee history

2018–2020Based in Sunnyvale, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEMICONDUCTOR COMPONENTS IND LLC	25	2018–2020
FAIRCHILD KOREA SEMICONDUCTOR LTD	20	2016–2020
FAIRCHILD KR SEMICONDUCTOR LTD	3	2016
FAIRCHILD SEMICONDUCTOR	2	2018–2019
FAIRCHILD KOREA SEMICONDCUTOR LTD	1	2017

Locations

Location	Patents	Span
Bucheon-si, KR	26	2016–2020
Sunnyvale, California, US	11	2018–2020