Inventor
Wen-Chun Feng
Inventor
Taipei, TW
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer71%
H04NPictorial communication, e.g. television14%
G06TImage data processing or generation, in general5%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%
LOC165%
PatentTitleYear
D0924309Projector202110,757,332Movement compensation for camera focus20209,681,026'System and method for lens shading compensation'20179,363,446'Automatic exposure control for sequential images'20168,526,277'Method for determining type of optical disk and optical storage device'20138,422,346'Method and apparatus for determining the number of data layers in an optical disc'20138,363,516'Method and apparatus for compensating astigmatism in an optical storage system'20138,351,310'Method and apparatus for determining an optimal focus bias and spherical aberration compensating value in an optical disc drive'20138,300,508'Method and apparatus for judging blank area and data recorded-area of optical disc'20128,299,746'Move-sled-home device and method for use in optical disc drive'20128,284,647'Method and device for detecting thickness of optical disc'20128,233,364'Method and device for identifying optical disc'20128,154,959'Optical storage system and spherical aberration compensation apparatus and method thereof'20128,130,604'Spherical aberration compensation method and device of optical disc drive'20128,050,153'Method for adaptively driving a tracking element with mechanical deviation and device using the same'20117,916,598'Method for determining type of disk and apparatus thereof'20117,843,783'Method for automatically calibrating output power of optical pick-up head and optical disc driver using the method'20107,751,291'Optical disc identification apparatus and method of identifying optical disc'20107,665,006'Block code error correcting system and method'20107,339,335'Brake system and method for a DC brush motor without a hall sensor'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2013Patents assigned to SUNPLUS TECHNOLOGY CO LTD (16)· patent assignee history
2008–2020Based in Taipei, TW· patent location history
2012–2013Patents assigned to FENG WEN-CHUN (10)· patent assignee history
2012–2013Patents assigned to YEH CHIEN-LIANG (4)· patent assignee history
2012Patents assigned to CHENG YEN-CHIEN (2)· patent assignee history
2012Based in Hsinchu, TW· patent location history
2016–2017Patents assigned to HTC CORP (2)· patent assignee history
2016–2017Based in Taoyuan, TW· patent location history
2021Based in Shenzhen, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUNPLUS TECHNOLOGY CO LTD | 16 | 2008–2013 |
| FENG WEN-CHUNself | 10 | 2012–2013 |
| YEH CHIEN-LIANG | 4 | 2012–2013 |
| CHENG YEN-CHIEN | 2 | 2012 |
| HTC CORP | 2 | 2016–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taipei, TW | 14 | 2008–2020 |
| Hsinchu, TW | 3 | 2012 |
| Taoyuan, TW | 2 | 2016–2017 |
| Shenzhen, CN | 1 | 2021 |