Inventor
Chih Yen Chang
Inventor
Hsinchu County, TW
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing25%
G06KGraphical data reading25%
A61KPreparations for medical, dental or toiletry purposes13%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations13%
G01RMeasuring electric variables13%
H04QSelecting13%
PatentTitleYear
10,987,394Method for preparing an extract of 20218,624,708'Item positioning system and method thereof'20148,552,756'Chip testing apparatus and testing method thereof'20138,362,880'Method and computer program product for loading and executing program code at micro-processor'20138,352,965'Transmission method and circuit device capable of automatic transmission interface selection'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2014Patents assigned to CHANG CHIH YEN (4)· patent assignee history
2013–2014Patents assigned to MSTAR SEMICONDUCTOR INC (4)· patent assignee history
2013Patents assigned to HUANG CHIH HUA (1)· patent assignee history
2013Patents assigned to HUANG CHIH-HUA (1)· patent assignee history
2013–2014Based in Hsinchu County, TW· patent location history
2021Patents assigned to IND TECH RES INST (1)· patent assignee history
2021Based in Zhubei City, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHANG CHIH YENself | 4 | 2013–2014 |
| MSTAR SEMICONDUCTOR INC | 4 | 2013–2014 |
| HUANG CHIH HUA | 1 | 2013 |
| HUANG CHIH-HUA | 1 | 2013 |
| IND TECH RES INST | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hsinchu County, TW | 4 | 2013–2014 |
| Zhubei City, TW | 1 | 2021 |