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Inventor

Kuei-Kai Chang

Inventor
Zhubei City, TW

Overview

6→
Patents
2009–2018
Patent span
Physics
Primary field (CPC G)

Patents· 6 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 information57%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%
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 systems14%
H03FAmplifiers14%
PatentTitleYear
10,163,407Display and scanning method thereof20189,959,817Display and scanning method thereof20188,022,917'LCD panel driving method and device with charge sharing'20117,847,780'Method for driving a display panel'20107,821,340'Output stage circuit and operational amplifier'20107,638,989'Power supply with pulse frequency modulating circuit calculating logic state changing'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2010Patents assigned to ORISE TECHNOLOGY CO LTD (3)· patent assignee history
2009–2010Based in Hsinchu County, TW· patent location history
2010Based in Hsin Chu Hsien, TW· patent location history
2011Patents assigned to SUNPLUS TECHNOLOGY CO LTD (1)· patent assignee history
2011Based in Jhubei City, TW· patent location history
2018Patents assigned to FITIPOWER INTEGRATED TECH INC (2)· patent assignee history
2018Based in Zhubei City, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ORISE TECHNOLOGY CO LTD32009–2010
FITIPOWER INTEGRATED TECH INC22018
SUNPLUS TECHNOLOGY CO LTD12011
Locations
LocationPatentsSpan
Zhubei City, TW22018
Hsinchu County, TW22009–2010
Jhubei City, TW12011
Hsin Chu Hsien, TW12010