Inventor

Seung-Hwan Cho

Inventor

Yongin-si, KR

Overview

1990–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 55 as inventor

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

H10Kprimary

H10KOrganic electric solid-state devices23%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein15%

H10DInorganic electric semiconductor devices12%

H01LSemiconductor devices9%

H04MTelephonic communication8%

G06FElectric digital data processing4%

H04QSelecting4%

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

H04WWireless communication networks4%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%

PatentTitleYear

10,861,409Display device having a plurality of display regions2020 D0902213Display device2020 10,777,631Display device2020 10,431,604Display device2019 10,386,978Display apparatus2019 10,297,772Display device and manufacturing method thereof2019 10,210,104Apparatus and method for providing handoff thereof2019 10,204,593Display apparatus and method for controlling the same2019 9,835,916Liquid crystal display device having increased response speed and method for manufacturing liquid crystal display device2017 9,741,962'Organic light emitting diode display and manufacturing method thereof'2017 9,646,556'Display apparatus and method of manufacturing the same'2017 9,553,203'Display panel'2017 9,502,574'Thin film transistor and manufacturing method thereof'2016 9,362,513'Organic thin film transistor substrate and method of manufacturing the same'2016 9,335,835'Method and apparatus for providing user interface'2016 9,144,014'Method for operating portable terminal to reduce power during support of communication service and portable terminal supporting the same'2015 9,035,296'Thin film transistor, method of fabricating the same, and display apparatus having the same'2015 8,903,391'Adaptive data communication control method and portable device for supporting the same'2014 8,655,338'Method for operating portable terminal to reduce power during support of communication service and portable terminal supporting the same'2014 8,624,277'Display substrate and method of manufacturing the same'2014 8,519,393'Thin film transistor array panel and manufacturing method thereof'2013 8,383,449'Method of forming a thin film transistor having openings formed therein'2013 8,367,444'Display substrate and method of manufacturing the same'2013 8,304,280'Method of forming a thin film transistor having openings formed therein'2012 8,278,648'Fabrication method for an organic thin film transistor substrate'2012 8,252,626'Thin film transistor array panel and manufacturing method thereof'2012 8,252,625'Organic thin film transistor substrate and method of manufacturing the same'2012 8,241,934'Display substrate and method of manufacturing the same'2012 8,243,888'Apparatus and method for managing call details using speech recognition'2012 8,222,070'Method of forming a thin film transistor having openings formed therein'2012 8,211,757'Organic thin film transistor substrate and fabrication method therefor'2012 8,138,503'Display substrate having a protruding barrier pattern'2012 8,045,105'Thin film transistor array panel and manufacturing method thereof'2011 7,994,494'Organic thin film transistor array panel and method for manufacturing the same'2011 7,984,013'Method and apparatus for learning behavior in software robot'2011 7,977,144'Thin film transistor array panel and manufacture thereof'2011 7,919,778'Making organic thin film transistor array panels'2011 7,858,971'Organic thin film transistor substrate and method of fabricating the same'2010 7,803,669'Organic thin-film transistor substrate and fabrication method therefor'2010 7,800,101'Thin film transistor having openings formed therein'2010 7,781,774'Thin film transistor array panel'2010 7,772,598'Display device and manufacturing method therefor'2010 7,768,000'Thin film transistor array panel and manufacturing method thereof'2010 7,737,448'Thin film transistor array panel and manufacture thereof'2010 7,709,834'Organic thin film transistor substrate and method of manufacturing the same'2010 7,692,188'Display device and manufacturing method thereof'2010 7,679,712'Liquid crystal display comprising a semiconductor formed in an opening of a partition formed on a source electrode and a drain electrode and method of manufacturing thereof'2010 6,519,334'Method for processing incoming call in exchange system'2003 6,317,487'Method for managing message by using a personal computer as an operator console in a private branch exchange system'2001 6,222,913'Method and apparatus for displaying caller information during call switching in private branch exchange'2001 5,937,039'Method for sending out absent messages from ISDN exchange system'1999 5,544,231'Conversation recording/playback method in a key phone system'1996 5,276,727'Remote maintenance method and device thereof in private branch exchange system'1994 5,200,990'Method of recovering speech path of pre-engaged call on restarting keyphone exchange system'1993 4,975,944'Method of making call-wait and call-alternation in electronic private branch exchange (EPBX)'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2019Patents assigned to SAMSUNG ELECTRONICS CO LTD (36)· patent assignee history

1993–2003Based in Seoul, KR· patent location history

2010–2016Based in Hwaseong-si, KR· patent location history

2010–2017Based in Suwon-si, KR· patent location history

2010–2016Based in Gyeonggi-do, KR· patent location history

2012–2013Patents assigned to CHO SEUNG-HWAN (7)· patent assignee history

2012–2016Patents assigned to CHO SEUNG HWAN (6)· patent assignee history

2012–2016Patents assigned to SONG KEUN KYU (4)· patent assignee history

2012–2020Based in Yongin-si, KR· patent location history

2013–2020Patents assigned to SAMSUNG DISPLAY CO LTD (17)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SAMSUNG ELECTRONICS CO LTD	36	1990–2019
SAMSUNG DISPLAY CO LTD	17	2013–2020
CHO SEUNG-HWANself	7	2012–2013
CHO SEUNG HWANself	6	2012–2016
SONG KEUN KYU	4	2012–2016

Locations

Location	Patents	Span
Yongin-si, KR	14	2012–2020
Hwaseong-si, KR	14	2010–2016
Suwon-si, KR	13	2010–2017
Seoul, KR	7	1993–2003
Gyeonggi-do, KR	4	2010–2016