P

Inventor

CHANG CHING-SHENG

TW10 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHING-SHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RAYS OPTICS INC

5 patents
US10996442B2May 4, 2021

Lens assembly and fabrication method thereof

RAYS OPTICS INC0 citations61
US10558022B2Feb 11, 2020

Optical lens and fabrication method thereof

RAYS OPTICS INC1 citations59
US11841482B2Dec 12, 2023

Imaging lens

RAYS OPTICS INC0 citations52
US11256067B2Feb 22, 2022

Optical lens

RAYS OPTICS INC0 citations50
US10845571B2Nov 24, 2020

Optical lens

RAYS OPTICS INC0 citations50

HOYA TECH CO LTD

1 patent
US6450248B1Sep 17, 2002

Heat sink retainer

HOYA TECH CO LTD58 citations92

CHANG CHING SHENG

1 patent
US9939611B2Apr 10, 2018

Optical lens

CHANG CHING SHENG2 citations67

POWERGATE OPTICAL INC

1 patent
US7417812B2Aug 26, 2008

Microminiature lens module and lens device having the same

POWERGATE OPTICAL INC4 citations59

UNIVERSAL SCIENT IND CO LTD

1 patent
US7889504B2Feb 15, 2011

Portable electronic device

UNIVERSAL SCIENT IND CO LTD1 citations38

CHANG CHING-SHENG

1 patent
US9366722B2Jun 14, 2016

Method and apparatus for performing de-skew control

CHANG CHING-SHENG0 citations32