Inventor
InHwan Oh
Inventor
Cupertino, CA, US
Overview
Patents· 17 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 systems32%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications26%
H02JElectric power networks6%
H05BElectric heating6%
B82YSpecific uses or applications of nanostructures3%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
G06FElectric digital data processing3%
H01FMagnets3%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy3%
PatentTitleYear
11,069,902Catalyst electrode for oxygen evolution and method for preparing the same202110,778,108Frequency doubling resonant converter202010,742,118Quasi-resonant power converter with reduced dynamic switching losses202010,707,699Interphase transformer based rectifier for wireless power transfer202010,601,250Asymmetric duty control of a half bridge power converter202010,505,445Power converter with output voltage control201910,218,256Primary side control of primary resonant flyback converters201910,170,974Variable frequency and burst mode operation of primary resonant flyback converters201910,148,178Synchronous buck converter with current sensing20189,977,475Over voltage protection for a communication line of a bus20189,846,127Colorimetric detection sensor and colorimetric detection method for detecting cyanide anion by etching of gold nanorods20179,774,266'Reducing output voltage undershoot in isolated power converters'20179,768,700'Hysteretic-mode pulse frequency modulated (HM-PFM) resonant AC to DC converter'20179,391,524'Hysteretic-mode pulse frequency modulated (HM-PFM) resonant AC to DC converter'20169,001,539'AC-DC resonant converter that provides high efficiency and high power density'20158,803,438'Method and apparatus for current control with LED driver'20148,786,205'Method and apparatus for LED lighting'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014Patents assigned to MARVELL WORLD TRADE LTD (2)· patent assignee history
2014Patents assigned to OH INHWAN (1)· patent assignee history
2014–2020Based in Cupertino, CA, US· patent location history
2015–2020Patents assigned to APPLE INC (13)· patent assignee history
2017Patents assigned to KOREA INST SCI & TECH (1)· patent assignee history
2017Based in Seoul, KR· patent location history
2021Patents assigned to KOREA ADVANCED INST SCI & TECH (1)· patent assignee history
2021Based in Daejeon, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLE INC | 13 | 2015–2020 |
| MARVELL WORLD TRADE LTD | 2 | 2014 |
| KOREA ADVANCED INST SCI & TECH | 1 | 2021 |
| KOREA INST SCI & TECH | 1 | 2017 |
| OH INHWANself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cupertino, California, US | 15 | 2014–2020 |
| Daejeon, KR | 1 | 2021 |
| Seoul, KR | 1 | 2017 |