DC

David Chao

IN Ingeniospec: 41 patents #1 of 5Top 20%
CO Contour Optik: 29 patents #1 of 15Top 7%
VE Vesture: 17 patents #9 of 204Top 5%
IV Ip Venture: 4 patents #4 of 12Top 35%
📍 Saratoga, CA: #52 of 2,933 inventorsTop 2%
🗺 California: #1,696 of 386,348 inventorsTop 1%
Overall (All Time): #10,807 of 4,157,543Top 1%
115
Patents All Time

Issued Patents All Time

Showing 76–100 of 115 patents

Patent #TitleCo-InventorsDate
7198364 Eyeglass combination having an auxiliary frame 2007-04-03
7192136 Tethered electrical components for eyeglasses Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2007-03-20
7052129 Universal resilient shields Pin-Yu Chou, Wei-Lien Huang, Chang Yung Chang, Chien-Ho Lin, Ruey-Hong Hung 2006-05-30
6948809 Interconnecting assembly in combination with primary and auxiliary eyeglasses Ming-Che Wu 2005-09-27
6929116 Visual display of container contents Yeou-Soon Lee 2005-08-16
6851552 Containers with additional functionality 2005-02-08
6814226 Multi-purpose containers 2004-11-09
6808284 Eyeglasses provided with light sources, screw drivers, and writing instruments 2004-10-26
6789664 Eyeglass cases having timepieces and eyeglass cases having mirrors 2004-09-14
6632000 Pen for receiving eyeglasses 2003-10-14
6530660 Eyeglass frame with a reversible arm Chi-Pei Cheng 2003-03-11
D467421 Container for storing eyeglasses and other items 2002-12-24
6474892 Multi-purpose containers having a foldable writing instrument 2002-11-05
6447116 Folding eyeglasses 2002-09-10
6382482 Assembly of magnetically attracted eyeglass case and case seat 2002-05-07
6367926 Eye-wear with magnets Richard Chao 2002-04-09
6325632 Computer-aided learning method and systems matching students with instructors Hsien-Tsung Chang, Peter P. Tong 2001-12-04
6305799 Pen for receiving eyeglasses 2001-10-23
6270274 Pen for receiving eyeglasses 2001-08-07
6264323 Assembly of primary and auxiliary eyeglasses which are interconnected by a retainer clip 2001-07-24
6199981 Method for securing spectacle members together 2001-03-13
6170948 Eyeglass device having auxiliary frame 2001-01-09
D434560 Box for eyeglasses 2000-12-05
D434221 Case for eyeglasses 2000-11-28
6109747 Eyeglass frames with magnets in flanges 2000-08-29