JJ

John Jansen

CH Ch2M Hill: 1 patents #17 of 61Top 30%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #855,984 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8679370 Conductive coating, method for preparing a coating, roller, and method for manufacturing a roller and using a coating Tsuyoshi Tokiwa, Eiji Sawa 2014-03-25
8419977 Conductive coating, method for preparing a coating, roller, and method for manufacturing a roller and using a coating Tsuyoshi Tokiwa, Eiji Sawa 2013-04-16
7962077 Developing roller, developing apparatus comprising the developing roller, and method for providing the developing roller Tsuyoshi Tokiwa, Eiji Sawa 2011-06-14
7000711 Horizontal bore cryogenic drilling method Thomas J. Miller 2006-02-21
6881347 Method for removing radioactive substances from affecting water wells Steven H. Schultz, Daniel R. Butler 2005-04-19
5579845 Method for improved water well production Robert Taylor, William C. Frazier 1996-12-03