Inventor

Yu-Feng Cheng

Inventor
Taipei, TW

Overview

49→
Patents
1987–2021
Patent span
Physics
Primary field (CPC G)

Patents· 49 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary
G02BOptical elements, systems or apparatus32%
LOC1314%
H04LTransmission of digital information, e.g. telegraphic communication12%
H01RElectrically-conductive connections10%
G09GArrangements or circuits for control of indicating devices using static means to present variable information8%
H04BTransmission7%
A45BWalking sticks2%
F23QIgnition2%
G11BInformation storage based on relative movement between record carrier and transducer2%
H01BCables2%
PatentTitleYear
10,943,823Conductive feature formation and structure using bottom-up filling deposition20219,414,657'Magnetic ring'20167,538,588'Dual-function drivers'20097,471,285'Combined transmitter'20087,358,873'LVDS and TMDS dualfunction device'20087,353,009'Combined transmitter'20087,256,624'Combined output driver'20077,256,625'Combined output driver'20077,228,116'Combined transmitter'20076,769,813'Universal optical fiber plug'20046,659,653'Optical fiber plug with an indicating function'20036,637,946'Adapter for an optical fiber plug'20036,634,798'Illuminating dust proof cap for an optical fiber socket'20036,597,832'Optical fiber selector'20036,592,267'Optical fiber plug'2003RE038011'Optical fiber connector'2003D0471155'Optical fiber plug'2003D0470818'Optical fiber plug'20036,525,782'Adapting connector for a video machine'20036,524,015'Adaptor for an optical cable terminal'20036,424,758'Optical fiber socket with an integral switch'20026,382,843'Convertible fiber-optic plug'20026,347,889'Adapter for an optical fiber cable'2002D0450655'Optical fiber plug'20016,273,618'Optical fiber connector'20016,203,211'Connector for a fiber optic cable'2001D0436077'Optical fiber connector'2001D0435830'Optical fiber connector'2001D0435513'Optical fiber connector'2000D0435512'Optical fiber connector'20006,130,983'Rotatable L-shaped fiber optic connector'20005,973,268'Multicolor electric cable'19995,967,189'Protective cap for a fiberoptic cable'19995,963,690'Optical fiber connector'19995,725,890'Mechanism for forming a distal face of a fiber-optics'1998D0388768'Adapter'19985,590,230'Optical fiber connector including housing with a plurality of slots having securing plates'19965,511,995'Direct current connector'19965,474,476'Audio/video connector'1995D0364874'Antenna'19955,459,299'Car cigarette lighter with U-shaped engaging means'19955,443,159'Tri-cassette carrier'1995D0355639'Cable connector'1995D0355159'Cable connector'19955,320,542'Safety cover for sockets'19945,301,250'Optical fiber terminator'19944,927,385'Connector jack'19904,894,025'Plug'19904,675,645'High-frequency selecting switch terminal'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1990Patents assigned to CHENG YU FENG (2)· patent assignee history
1987–2008Based in Taipei, TW· patent location history
1990–1994Patents assigned to CHENG YU F (3)· patent assignee history
1995–2016Patents assigned to CHENG YU-FENG (9)· patent assignee history
1995–2001Based in Chung-Ho City, Taipei Hsien, TW· patent location history
2007–2009Patents assigned to VIA TECH INC (7)· patent assignee history
2009Based in Beijing, CN· patent location history
2016Based in New Taipei, TW· patent location history
2021Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (1)· patent assignee history
2021Based in Taichung, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHENG YU-FENGself91995–2016
VIA TECH INC72007–2009
CHENG YU Fself31990–1994
CHENG YU FENGself21987–1990
TAIWAN SEMICONDUCTOR MFG CO LTD12021
Locations
LocationPatentsSpan
Taipei, TW411987–2008
Chung-Ho City, Taipei Hsien, TW41995–2001
Taichung, TW12021
New Taipei, TW12016
Beijing, CN12009