Inventor
Yi-Fan Chang
Inventor
Taichung, TW
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Cprimary
G11CStatic stores23%
LOC0813%
H01LSemiconductor devices10%
H10DInorganic electric semiconductor devices10%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1010%
LOC0310%
B60LPropulsion of electrically-propelled vehicles3%
G04GElectronic time-pieces3%
G06FElectric digital data processing3%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy3%
PatentTitleYear
10,854,446Epitaxies of a chemical compound semiconductor2020D0862192Tool handle2019D0861454Tool handle2019D0861455Tool handle2019D0860754Tool handle2019D0858995Tool box2019D0858994Tool box201910,279,689Battery rescue activating reset device2019D0837518Case for vehicle jumper cable201910,114,343Touch device with touch function201810,049,872Method for growing epitaxies of a chemical compound semiconductor20189,876,493Decode switch and method for controlling decode switch20189,412,425'Device and method for improving reading speed of memory'20169,287,122'Method for growing epitaxies of a chemical compound semiconductor'20169,001,604'Device and method for improving reading speed of memory'20158,547,755'Method and apparatus of performing an erase operation on a memory integrated circuit'20138,508,993'Method and apparatus of performing an erase operation on a memory integrated circuit'20138,339,861'Method and apparatus of performing an erase operation on a memory integrated circuit'20128,259,499'Method and apparatus of performing an erase operation on a memory integrated circuit'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2018Patents assigned to MACRONIX INT CO LTD (7)· patent assignee history
2012–2013Patents assigned to CHANG YI-FAN (4)· patent assignee history
2012–2013Patents assigned to LO SU-CHUEH (4)· patent assignee history
2012–2013Patents assigned to HUNG CHUN-HSIUNG (3)· patent assignee history
2012–2016Based in Jhubei City, TW· patent location history
2016–2020Based in Hsinchu County, TW· patent location history
2018Based in Hsinchu, TW· patent location history
2019Patents assigned to CHANG YI FAN (8)· patent assignee history
2019Based in Taichung, TW· patent location history
2019Based in New Taipei, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHANG YI FANself | 8 | 2019 |
| MACRONIX INT CO LTD | 7 | 2012–2018 |
| CHANG YI-FANself | 4 | 2012–2013 |
| LO SU-CHUEH | 4 | 2012–2013 |
| HUNG CHUN-HSIUNG | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taichung, TW | 6 | 2019 |
| Jhubei City, TW | 6 | 2012–2016 |
| Hsinchu County, TW | 3 | 2016–2020 |
| New Taipei, TW | 2 | 2019 |
| Hsinchu, TW | 2 | 2018 |