Inventor

Li zi-yuan

CN8 patents

⚠️ This page may combine multiple inventors who share the name “Li zi-yuan”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

Li zi-yuan

2 patents

US8576495B2Nov 5, 2013

Zoom lens and imaging device using same

Li zi-yuan3 citations50

US8248711B2Aug 21, 2012

Zoom lens

Li zi-yuan0 citations44

PREMIER IMAGE TECHNOLOGY CHINA

2 patents

US7791820B2Sep 7, 2010

Retractable zoom lens

PREMIER IMAGE TECHNOLOGY CHINA0 citations48

US8854741B2Oct 7, 2014

Zoom lens adjustment structure

PREMIER IMAGE TECHNOLOGY CHINA0 citations38

PREMIER IMAGE TECHNOLOGY CHINA LTD

1 patent

US7916400B2Mar 29, 2011

Compact zoom lens

PREMIER IMAGE TECHNOLOGY CHINA LTD5 citations58

YIN WEI

1 patent

US8456765B1Jun 4, 2013

Wide-conversion lens

YIN WEI2 citations57

LI JUN-JIE

1 patent

US8411371B2Apr 2, 2013

Compact zoom lens

LI JUN-JIE4 citations53

Kang xiao-tian

1 patent

US8824064B2Sep 2, 2014

Zoom lens

Kang xiao-tian0 citations31