Inventor
Yi-Hua Chang
Inventor
Hsinchu County, TW
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices16%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation13%
G01RMeasuring electric variables10%
G01SRadio direction-finding10%
H01LSemiconductor devices10%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light6%
G11CStatic stores6%
G01VGeophysics3%
H02HEmergency protective circuit arrangements3%
PatentTitleYear
10,069,298Inverter and control method thereof20189,971,060Sensor capable of detecting wide-range ambient signals and ensuring proximity sensing accuracy and method for fabricating the same20189,865,765'Package structure with optical barrier, optical package structure and manufacturing methods thereof'20189,812,854'Power supply device and high potential test method thereof'20179,140,600'Optical proximity sensor and manufacturing method thereof'20157,603,598'Semiconductor device for testing semiconductor process and method thereof'20097,050,282'Power supply clamp circuit'20066,744,610'Electrostatic discharge protection circuit'20046,703,700'Semiconductor packaging structure'20046,538,868'Electrostatic discharge protective circuit'20036,469,560'Electrostatic discharge protective circuit'20026,462,601'Electrostatic discharge protection circuit layout'20024,639,919'Distributed pattern generator'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to IBM (1)· patent assignee history
1987Based in Poughkeepsie, NY, US· patent location history
2002–2009Patents assigned to FARADAY TECH CORP (6)· patent assignee history
2002–2018Based in Hsinchu County, TW· patent location history
2004–2015Based in Kaohsiung, TW· patent location history
2017–2018Patents assigned to DELTA ELECTRONICS INC (2)· patent assignee history
2017–2018Based in Taoyuan, TW· patent location history
2018Patents assigned to SENSORTEK TECH CORP (2)· patent assignee history
2018Patents assigned to SENSOTEK TECH CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FARADAY TECH CORP | 6 | 2002–2009 |
| DELTA ELECTRONICS INC | 2 | 2017–2018 |
| SENSORTEK TECH CORP | 2 | 2018 |
| IBM | 1 | 1987 |
| SENSOTEK TECH CORP | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hsinchu County, TW | 8 | 2002–2018 |
| Taoyuan, TW | 2 | 2017–2018 |
| Kaohsiung, TW | 2 | 2004–2015 |
| Poughkeepsie, New York, US | 1 | 1987 |