HC

Henry Ping Chang

University of California: 3 patents #2,984 of 18,278Top 20%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
📍 Berkeley, CA: #396 of 3,731 inventorsTop 15%
🗺 California: #46,935 of 386,348 inventorsTop 15%
Overall (All Time): #383,606 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
9186490 Skin treatment device Franklin J. Chang 2015-11-17
9044582 Apparatus and method for transdermal fluid delivery Franklin J. Chang 2015-06-02
8858570 Skin treatment apparatus 2014-10-14
6730098 Tissue removal pen 2004-05-04
6183483 Peeling apparatus for removing surface portions of human tissue with purging arrangement 2001-02-06
6022327 Facial steamer machine with detachable function units 2000-02-08
5984952 Facial steamer with an adjustable steamer arm 1999-11-16
5970533 Bendable steamer arm for facial steamer 1999-10-26
5933706 Method for surface treatment of a cadmium zinc telluride crystal Ralph B. James, Arnold Burger, Kuo-Tong Chen 1999-08-03
5904379 Rotation joint for facial steamer arm 1999-05-18
5747275 Protein kinase required for RAS signal transduction Gerry Rubin, Marc Therrien, Felix Karim, David Wassarman 1998-05-05
5747288 Protein kinase required for Ras signal transduction Gerry Rubin, Marc Therrien, Felix Karim, David Wassarman 1998-05-05
5700675 Protein kinase required for Ras signal transduction Gerry Rubin, Marc Therrien, Felix Karim, David Wassarman 1997-12-23