Membership
Tour
Register
Log in
Ji-Yong Zeng
Follow
Person
Beijing, CN
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Zoom lens system
Patent number
7,554,748
Issue date
Jun 30, 2009
Tsinghua University
Ji-Yong Zeng
G02 - OPTICS
Information
Patent Grant
Fourier transform lens system and holographic storage system using...
Patent number
7,440,154
Issue date
Oct 21, 2008
Tsinghua University
Ji-Yong Zeng
G11 - INFORMATION STORAGE
Information
Patent Grant
Image pick-up lens system
Patent number
7,339,752
Issue date
Mar 4, 2008
Tsinghua University
Ji-Yong Zeng
G02 - OPTICS
Information
Patent Grant
Image pick-up lens system
Patent number
7,321,475
Issue date
Jan 22, 2008
Tsing Hua University
Zhuo Wang
G02 - OPTICS
Information
Patent Grant
Image pick-up lens system
Patent number
7,239,458
Issue date
Jul 3, 2007
Tsinghua University
Ji-Yong Zeng
G02 - OPTICS
Information
Patent Grant
Image pick-up lens system
Patent number
7,212,355
Issue date
May 1, 2007
Hon Hai Precision Industry Co. Ltd
Zhuo Wang
G02 - OPTICS
Information
Patent Grant
Image pick-up lens system
Patent number
7,206,141
Issue date
Apr 17, 2007
Tsinghua University
Ji-Yong Zeng
G02 - OPTICS
Information
Patent Grant
Fourier transform lens system and holographic storage system using...
Patent number
7,199,912
Issue date
Apr 3, 2007
Hon Hai Precision Industry Co. LTD
Ji-Yong Zeng
G11 - INFORMATION STORAGE
Information
Patent Grant
Image pick-up lens system
Patent number
7,180,685
Issue date
Feb 20, 2007
Tsinghua University
Zhuo Wang
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Zoom lens system
Publication number
20070053070
Publication date
Mar 8, 2007
Tsinghua University
Ji-Yong Zeng
G02 - OPTICS
Information
Patent Application
Fourier transform lens system and holographic storage system using...
Publication number
20060262369
Publication date
Nov 23, 2006
Tsinghua University
Ji-Yong Zeng
G02 - OPTICS
Information
Patent Application
Fourier transform lens system and holographic storage system using...
Publication number
20060256416
Publication date
Nov 16, 2006
Tsinghua University
Ji-Yong Zeng
G02 - OPTICS
Information
Patent Application
Image pick-up lens system
Publication number
20060092529
Publication date
May 4, 2006
Tsinghua University
Ji-Yong Zeng
G02 - OPTICS
Information
Patent Application
Image pick-up lens system
Publication number
20060056071
Publication date
Mar 16, 2006
Tsinghua University
Zhou Wang
G02 - OPTICS
Information
Patent Application
Image pick-up lens system
Publication number
20060056072
Publication date
Mar 16, 2006
Tsinghua University
Ji-Yong Zeng
G02 - OPTICS
Information
Patent Application
Image pick-up lens system
Publication number
20060050410
Publication date
Mar 9, 2006
Tsinghua University
Ji-Yong Zeng
G02 - OPTICS
Information
Patent Application
Image pick-up lens system
Publication number
20050280904
Publication date
Dec 22, 2005
Tsinghua University
Zhuo Wang
G02 - OPTICS
Information
Patent Application
Image pick-up lens system
Publication number
20050254147
Publication date
Nov 17, 2005
Tsinghua University
Zhuo Wang
G02 - OPTICS