Inventor

Sang-Oh Lee

Inventor
Cupertino, CA, US

Overview

33→
Patents
1998–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 33 as inventor

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

H03Lprimary
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses13%
H10BElectronic memory devices11%
H10DInorganic electric semiconductor devices10%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
H03KPulse technique7%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%
H03MCoding4%
H04LTransmission of digital information, e.g. telegraphic communication4%
C07CAcyclic or carbocyclic compounds3%
PatentTitleYear
11,034,207Heat pump system for vehicle20219,873,663Fluorenyl b-oxime ester compounds, photopolymerization initiator and photoresist composition containing the same20189,425,072'Mask pattern for hole patterning and method for fabricating semiconductor device using the same'20169,385,650'Transformer feedback voltage controlled oscillator (VCO)'20169,356,768'Phase detecting circuit for interchain local oscillator (LO) divider phase alignment'20169,316,906'Fluorene oxime ester compound, photopolymerization initiator and photoresist composition containing the same'20169,024,692'Voltage controlled oscillator band-select fast searching using predictive searching'20158,854,098'System for I-Q phase mismatch detection and correction'20148,841,195'Semiconductor device with multi-layered storage node and method for fabricating the same'20148,785,328'Mask pattern for hole patterning and method for fabricating semiconductor device using the same'20148,647,958'Method for fabricating semiconductor device having expanded critical dimension by performining surface treatment'20148,557,662'Method for fabricating side contact in semiconductor device using double trench process'20138,552,774'Fast-switching low-noise charge pump'20138,354,345'Method for forming side contact in semiconductor device through self-aligned damascene process'20138,187,952'Method for fabricating semiconductor device'20128,170,506'Direct current (DC) offset correction using analog-to-digital conversion'20128,143,958'Systems and methods for self testing a voltage controlled oscillator in an open loop configuration'20128,022,780'Auxiliary varactor for temperature compensation'20118,018,269'Fast-switching low-noise charge pump'20118,012,881'Method for forming contact holes in semiconductor device'20117,936,220'Techniques for improving amplifier linearity'20117,855,610'VCO capacitor bank trimming and calibration'20107,851,947'Methods and apparatuses for selectable voltage supply'20107,563,688'Method for fabricating capacitor in semiconductor device'20097,557,039'Method for fabricating contact hole of semiconductor device'20097,158,760'Frequency synthesizer with selectable preconfigured synthesizer characteristics'20076,844,836'Single-bit sigma-delta modulated fractional-N frequency synthesizer'20056,788,232'Sigma delta modulator'20046,392,452'Input buffer circuit for RF phase-locked loops'20026,040,722'Power-on reset circuit with adjustable interval'20005,900,760'Low voltage ECL latch and flip-flop'19995,896,921'Indoor unit of an air conditioner'19995,751,183'Bipolar transistor circuit having a free collector'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2005Patents assigned to SAMSUNG ELECTRONICS CO LTD (5)· patent assignee history
1998–2005Based in Seoul, KR· patent location history
2004–2016Based in Cupertino, CA, US· patent location history
2007–2016Patents assigned to QUALCOMM INC (13)· patent assignee history
2009–2014Patents assigned to HYNIX SEMICONDUCTOR INC (7)· patent assignee history
2011–2016Based in Gyeonggi-do, KR· patent location history
2012–2014Patents assigned to LEE SANG-OH (9)· patent assignee history
2014–2016Patents assigned to SK HYNIX INC (3)· patent assignee history
2016–2018Based in Mokpo-si, KR· patent location history
2021Based in Daejeon, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
QUALCOMM INC132007–2016
LEE SANG-OHself92012–2014
HYNIX SEMICONDUCTOR INC72009–2014
SAMSUNG ELECTRONICS CO LTD51998–2005
SK HYNIX INC32014–2016
Locations
LocationPatentsSpan
Cupertino, California, US132004–2016
Gyeonggi-do, KR82011–2016
Seoul, KR61998–2005
Mokpo-si, KR22016–2018
Daejeon, KR12021