ZM

Zeying Ma

HP HP: 36 patents #296 of 16,619Top 2%
AE Aps Engineering: 1 patents #3 of 5Top 60%
EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
📍 San Diego, CA: #947 of 23,606 inventorsTop 5%
🗺 California: #12,236 of 386,348 inventorsTop 4%
Overall (All Time): #86,699 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
7217315 Pigment-based inks for ink-jet printing Stephen W. Bauer 2007-05-15
7204873 Pigment-based inks for ink-jet printing Stephen W. Bauer 2007-04-17
7157504 Ink-jet printing methods and systems providing improved image durability Kent D. Vincent, Sivapackia Ganapathiappan 2007-01-02
7129284 Fluorosurfactant packages for use in inkjet printing and methods of controlling puddling in inkjet pens Richard B. Anderson 2006-10-31
6997979 Pigment-based inks for ink-jet printing Stephen W. Bauer 2006-02-14
6779884 Ink-jet printing methods and systems providing dry rub resistance Gregg A. Lane 2004-08-24
6630017 Inkset for graphic art ink jet image printers Kai-Kong Iu, Rodney D. Stramel, Shunqiong Yue 2003-10-07
6436180 Color ink composition for graphic art ink jet image printers Rodney D. Stramel, Shunqiong Yue, Kai-Kong Iu, Hsin-Chieh Chou, Duane G. Canfield 2002-08-20
6432523 Light fastness of inkjet images by adding salts into inkjet inks and print media Yubai Bi, Bor-Jiunn Niu, Rodney D. Stramel 2002-08-13
6423375 Light fastness of inkjet images by adding salts into inkjet media Yubai Bi, Bor-Jiunn Niu, Rodney D. Stramel 2002-07-23
6247808 Ink-jet printing system for improved print quality Keshava A. Prasad 2001-06-19
6022908 Printing liquids for improved print quality Keshava A. Prasad 2000-02-08
5713993 Pigmented ink set and process for alleviating bleed in printed elements using carboxylic acid additives Loretta Grezzo Page, Milan Bohuslav Bednarek, Keshava A. Prasad 1998-02-03