CC

Charles Chang

UN Unknown: 25 patents #139 of 83,584Top 1%
IT ITRI: 12 patents #377 of 9,619Top 4%
TB The Boeing: 1 patents #8,242 of 15,756Top 55%
WI Wistron: 1 patents #959 of 2,107Top 50%
WC W.R. Grace & Co.-Conn.: 1 patents #543 of 1,045Top 55%
📍 Columbia, MD: #6 of 1,501 inventorsTop 1%
🗺 Maryland: #180 of 35,612 inventorsTop 1%
Overall (All Time): #43,239 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 26–50 of 57 patents

Patent #TitleCo-InventorsDate
6402286 Function test device for optical print head heaters in thermal bubble printers Hung-Lieh Hu, Yuan-Liang Lan, Chieh-Wen Wang, Jhih-Ping Lu 2002-06-11
D457986 Cosmetic container Jack Rodriguez 2002-05-28
6382773 Method and structure for measuring temperature of heater elements of ink-jet printhead Chieh-Wen Wang, Shyh-Haur Su 2002-05-07
6378978 Chip structure of inkjet printhead and method of estimating working life through detection of defects Chieh-Wen Wang, Ming-Ling Lee, Jhih-Ping Lu, Chen-Yue Cheng, Yuan-Liang Lan 2002-04-30
6364474 Pressure control device Chieh-Wen Wang, I-Chung Hou 2002-04-02
6325075 Device for applying glitter particles Robert J. Sheffler 2001-12-04
D450889 Vertical dial stick case 2001-11-20
D450159 Vertical dial stick case 2001-11-06
D449410 Cosmetic container Jack Rodriguez 2001-10-16
6247608 Double groove beverage can lid Lucy Chang 2001-06-19
D441145 Vertical dial stick case 2001-04-24
6186689 Cosmetic container having a clean corkage insert Robert J. Sheffler 2001-02-13
6138687 Cosmetic jar and applicator Robert J. Sheffler 2000-10-31
6132126 Adjustable cosmetic applicator Robert J. Sheffler 2000-10-17
6029842 Cosmetic jar with transparent cover and hidden threads Robert J. Sheffler 2000-02-29
6015513 Method of making lipstick samplers Robert J. Sheffler 2000-01-18
5988917 Cosmetic stick dispenser Robert J. Sheffler 1999-11-23
5934497 Sanitary beverage can lid Lucy Chang 1999-08-10
5884636 Cosmetic pot with internal hinged tray Robert J. Sheffler 1999-03-23
5884634 Mascara container and dispenser Robert J. Sheffler 1999-03-23
5875918 Hermetically-sealed container and closure construction Robert J. Sheffler 1999-03-02
5875791 Mascara container and applicator Robert J. Sheffler 1999-03-02
5813561 Sanitary beverage can lid Lucy Chang 1998-09-29
5791506 Sealing container which includes a two-part cap for displaying a cosmetic product Robert J. Sheffler 1998-08-11
5785905 Method of making lipstick samplers Robert J. Sheffler 1998-07-28