Inventor

Hack-Soo Oh

Inventor

Chungcheongbuk-do, KR

Overview

13→

Patents

2007–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 13 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television38%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation15%

H01LSemiconductor devices12%

A47LDomestic washing or cleaning4%

A61BDiagnosis4%

G01SRadio direction-finding4%

G05FSystems for regulating electric or magnetic variables4%

G09GArrangements or circuits for control of indicating devices using static means to present variable information4%

H03KPulse technique4%

H03MCoding4%

PatentTitleYear

11,039,392Frequency-based wake-up device and sensor communication device using same2021 10,791,291Pixel circuit2020 10,771,725Pixel circuit2020 10,498,989Digital double sampling circuit2019 10,104,321Image processing system and method for an image sensor2018 9,083,907'Driving circuit of image sensor and method of operating the same'2015 9,006,631'Image sensor and row averaging method for image sensor'2015 9,000,342'Passive type image sensor and method including first and second anti-blooming transistors discharging electric charges while integrating electric charges'2015 8,482,647'CMOS image sensor for high speed signal processing'2013 8,045,029'CMOS image sensor for high speed signal processing'2011 7,948,544'CMOS image sensor'2011 7,250,897'CMOS image sensor capable of performing analog correlated double sampling'2007 7,233,195'Generator for supplying reference voltage and reference current of stable level regardless of temperature variation'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007Patents assigned to MAGNACHIP SEMICONDUCTOR LTD (2)· patent assignee history

2007–2013Based in Chungcheongbuk-do, KR· patent location history

2011–2013Patents assigned to INTELLECTUAL VENTURES II LLC (2)· patent assignee history

2013–2015Patents assigned to OH HACK-SOO (2)· patent assignee history

2015Patents assigned to DONGBU HITEK CO LTD (3)· patent assignee history

2015Based in Seoul, KR· patent location history

2015Based in Namyangju-si, KR· patent location history

2018–2020Patents assigned to HIMAX IMAGING LTD (4)· patent assignee history

2018–2020Based in Tainan, TW· patent location history

2021Based in Ulsan, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HIMAX IMAGING LTD	4	2018–2020
DONGBU HITEK CO LTD	3	2015
INTELLECTUAL VENTURES II LLC	2	2011–2013
MAGNACHIP SEMICONDUCTOR LTD	2	2007
OH HACK-SOOself	2	2013–2015

Locations

Location	Patents	Span
Chungcheongbuk-do, KR	5	2007–2013
Tainan, TW	4	2018–2020
Seoul, KR	2	2015
Ulsan, KR	1	2021
Namyangju-si, KR	1	2015