CC

Charles Chang

IT ITRI: 3 patents #11 of 539Top 3%
UN Unknown: 3 patents #34 of 2,925Top 2%
📍 Columbia, MD: #2 of 130 inventorsTop 2%
🗺 Maryland: #38 of 2,389 inventorsTop 2%
Overall (2003): #6,861 of 273,478Top 3%
6
Patents 2003

Issued Patents 2003

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6666545 Driver transistor structure of inkjet print head chip and the method for making the same Chien-Hung Liu, Jian-Chiun Liou, Je-Ping Hu, Chun-Jung Chen 2003-12-23
6644795 Pressure control device for an inkjet pen Sune-Chan Lin, Shyh-Haur Su, Chun-Jung Chen, Bor-Shiun Lee, Chi-Bin Lo 2003-11-11
6568090 Cosmetic pencil sharpener Robert J. Sheffler 2003-05-27
D474861 Cosmetic container Jack Rodriguez 2003-05-20
6543887 Inkjet print head Jhih-Ping Lu, Shyh-Haur Su, Yuan-Liang Lan 2003-04-08
6526989 Cosmetic pot with hidden hinge between cover and base Robert J. Sheffler 2003-03-04