Inventor
Yi-Tsung Cheng
Inventor
Taoyuan County, TW
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing38%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
H01RElectrically-conductive connections13%
H04NPictorial communication, e.g. television13%
PatentTitleYear
8,525,918'Portable electronic devices and auto-focus control methods for cameras therein'20138,411,882'Electronic device with electret electro-acoustic transducer'20138,306,247'Electronic device and electro-acoustic transducer thereof'20127,969,506'Cradle for connecting to portable electronic apparatus'20117,675,571'Cradle for connecting to portable electronic apparatus'20107,495,657'Keyboard'20097,448,917'Connector having pin groups with different pin lengths'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2013Patents assigned to HTC CORP (7)· patent assignee history
2008–2013Based in Taoyuan, TW· patent location history
2009–2011Based in Taipei, TW· patent location history
2010Based in Hsin-Tien, TW· patent location history
2012–2013Patents assigned to CHENG YI-TSUNG (2)· patent assignee history
2012–2013Based in Taoyuan County, TW· patent location history
2013Patents assigned to CHEN LI-YIN (1)· patent assignee history
2013Patents assigned to CHENG YI TSUNG (1)· patent assignee history
2013Patents assigned to HSIEH CHIH CHAO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HTC CORP | 7 | 2008–2013 |
| CHENG YI-TSUNGself | 2 | 2012–2013 |
| CHEN LI-YIN | 1 | 2013 |
| CHENG YI TSUNGself | 1 | 2013 |
| HSIEH CHIH CHAO | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taoyuan County, TW | 2 | 2012–2013 |
| Taoyuan, TW | 2 | 2008–2013 |
| Taipei, TW | 2 | 2009–2011 |
| Hsin-Tien, TW | 1 | 2010 |