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Inventor

Yi-Chuan Liu

Inventor
Hsinchu County, TW

Overview

22→
Patents
2004–2021
Patent span
Physics
Primary field (CPC G)

Patents· 22 as inventor

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

G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information17%
H04NPictorial communication, e.g. television8%
LOC268%
A61KPreparations for medical, dental or toiletry purposes6%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%
C07DHeterocyclic compounds6%
G06FElectric digital data processing6%
H01HElectric switches6%
B23KSoldering or unsoldering3%
B60CVehicle tyres3%
PatentTitleYear
11,021,4702-substituted quinazoline compounds comprising a substituted heterocyclic group and methods of use thereof202110,919,904Northern-southern route to synthesis of bacteriochlorins202110,832,627Display apparatus and source driver thereof and operating method202010,616,505Video transmission system202010,207,716Integrated vehicle monitoring system201910,163,416Display apparatus and driving method thereof20189,875,700Source driver and driving method thereof20189,875,707Display apparatus and gate driving method thereof20189,837,233Rotating dual break point contact20179,800,800'Video transmission system'20179,704,675'Contact module for circuit breaker'20179,659,539'Gate driver circuit, display apparatus having the same, and gate driving method'20179,626,925'Source driver apparatus having a delay control circuit and operating method thereof'20178,853,417'Non-halogen activating agent used as flux'20148,076,855'Combination emergency light and nightlight'2011D0623322'Combination charger and releasable flashlight'2010D0619287'LED lamp'20107,712,915'Emergency light with a rotatable electrical plug'2010D0602615'Combined portable nightlight and charger'20097,511,579'Phase lock loop and operating method thereof'20097,348,534'Method for controlling active pixel elements and active pixel arrays having a column-read transistor for reading signals'2008D0500067'Webcam'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2011Based in Taipei, TW· patent location history
2008–2020Based in Hsinchu County, TW· patent location history
2009–2011Patents assigned to LIU YI-CHUAN (4)· patent assignee history
2010–2011Patents assigned to CAPSTONE IND INC (2)· patent assignee history
2017–2020Patents assigned to NOVATEK MICROELECTRONICS CORP (8)· patent assignee history
2017Patents assigned to SEARI ELECTRIC TECHNOLOGY CO LTD (2)· patent assignee history
2017Patents assigned to ZHEJIANG CHINT ELECTRICS CO LTD (2)· patent assignee history
2017Based in Shanghai, CN· patent location history
2021Based in San Diego, CA, US· patent location history
2021Based in Raleigh, NC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NOVATEK MICROELECTRONICS CORP82017–2020
LIU YI-CHUANself42009–2011
CAPSTONE IND INC22010–2011
SEARI ELECTRIC TECHNOLOGY CO LTD22017
ZHEJIANG CHINT ELECTRICS CO LTD22017
Locations
LocationPatentsSpan
Hsinchu County, TW82008–2020
Taipei, TW72004–2011
Shanghai, CN22017
San Diego, California, US12021
Raleigh, NC, US12021