Inventor
You-Chia Chang
Inventor
Taichung, TW
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices20%
G11BInformation storage based on relative movement between record carrier and transducer20%
G01QScanning-probe techniques or apparatus13%
G02BOptical elements, systems or apparatus13%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them7%
H01LSemiconductor devices7%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers7%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
PatentTitleYear
9,680,038'Photodetectors based on double layer heterostructures'20178,615,099'Transparent speaker and display module integrating the same'20138,049,961'Lens unit and projection screen made of the same'20117,957,250'Optical head'20117,792,006'Optical head capable of providing a subwavelength beams'20107,288,776'Optical head capable of providing a subwavelength beams'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2013Patents assigned to IND TECH RES INST (5)· patent assignee history
2007–2013Based in Taichung, TW· patent location history
2011Based in Hsinchu, TW· patent location history
2013Patents assigned to CHANG YOU-CHIA (1)· patent assignee history
2013Patents assigned to CHEN CHUN-TI (1)· patent assignee history
2013Patents assigned to CHIANG DAR-MING (1)· patent assignee history
2013Patents assigned to JENG JYH-LONG (1)· patent assignee history
2017Based in Ann Arbor, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IND TECH RES INST | 5 | 2007–2013 |
| CHANG YOU-CHIAself | 1 | 2013 |
| CHEN CHUN-TI | 1 | 2013 |
| CHIANG DAR-MING | 1 | 2013 |
| JENG JYH-LONG | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taichung, TW | 4 | 2007–2013 |
| Ann Arbor, MI, US | 1 | 2017 |
| Hsinchu, TW | 1 | 2011 |