Chao-Yi YEH

Follow

Person

Chu-Nan, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Projection lens
- Patent number 8,203,792
- Issue date Jun 19, 2012
- Foxsemicon Integrated Technology, Inc.
- Chao-Yi Yeh
- G02 - OPTICS
Information Patent Grant
Internally focusing lens system
- Patent number 8,000,032
- Issue date Aug 16, 2011
- Foxsemicon Integrated Technology, Inc.
- Chao-Yi Yeh
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
PROJECTION LENS
- Publication number 20120044584
- Publication date Feb 23, 2012
- FOXSEMICON INTEGRATED TECHNOLOGY, INC.
- CHAO-YI YEH
- G02 - OPTICS
Information Patent Application
METHOD AND SYSTEM FOR MEASURING A FOCAL LENGTH OF AN OPTICAL LENS
- Publication number 20110149273
- Publication date Jun 23, 2011
- FOXSEMICON INTEGRATED TECHNOLOGY, INC.
- CHAO-YI YEH
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND SYSTEM FOR EVALUATING LIGHT UNIFORMITY THROUGH AN OPTICA...
- Publication number 20110149066
- Publication date Jun 23, 2011
- FOXSEMICON INTEGRATED TECHNOLOGY, INC.
- CHAO-YI YEH
- G01 - MEASURING TESTING
Information Patent Application
INTERNALLY FOCUSING LENS SYSTEM
- Publication number 20100220397
- Publication date Sep 2, 2010
- FOXSEMICON INTEGRATED TECHNOLOGY, INC.
- Chao-Yi YEH
- G02 - OPTICS