DH

Douglas A. Hanggi

3M: 12 patents #1,318 of 11,543Top 15%
UM University of Minnesota: 8 patents #123 of 2,951Top 5%
Overall (All Time): #221,072 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10941252 Silicone copolymers, methods of making, and articles Hannah C. Cohen, Amanda C. Engler, Ranjani V. Parthasarathy, Haoming Rong, Ramesh C. Kumar +6 more 2021-03-09
10450333 Guanidine-functionalized particles and methods of making and using George W. Griesgraber, Robert T. Fitzsimons, Jr., Masayuki Nakamura, Jerald K. Rasmussen 2019-10-22
10246472 Guanidine-functionalized particles and methods of making and using George W. Griesgraber, Robert T. Fitzsimons, Jr., Masayuki Nakamura, Jerald K. Rasmussen 2019-04-02
9717798 Polymeric colorant compositions and methods of use Louis C. Haddad, David B. Olson, Matthew T. Scholz, Dong-Wei Zhu 2017-08-01
9657038 Guanidine-functionalized particles and methods of making and using George W. Griesgraber, Robert T. Fitzsimons, Jr., Masayuki Nakamura, Jerald K. Rasmussen 2017-05-23
6899948 Dental materials with nano-sized silica particles Xiaodong Zhang, Brant U. Kolb, Bradley D. Craig 2005-05-31
6462100 Foams containing functionalized metal oxide nanoparticles and methods of making same Kristin L. Thunhorst 2002-10-08
6387981 Radiopaque dental materials with nano-sized particles Xiaodong Zhang, Brant U. Kolb, Sumita B. Mitra, Paula D. Ario, Richard P. Rusin 2002-05-14
6353037 Foams containing functionalized metal oxide nanoparticles and methods of making same Kristin L. Thunhorst 2002-03-05
5968652 Silane coated particle Gaddam N. Babu, Terry L. Davis 1999-10-19
5876595 Adsorption medium and method of preparing same Gaddam N. Badu, Terry L. Davis 1999-03-02
5667674 Adsorption medium and method of preparing same Gaddam N. Babu, Terry L. Davis 1997-09-16
RE34910 Carbon-clad zirconium oxide particles Eric F. Funkenbusch, Peter W. Carr, Thomas Weber 1995-04-18
5346619 Carbon-clad zirconium oxide particles Eric F. Funkenbusch, Peter W. Carr, Thomas Weber 1994-09-13
5271833 Polymer-coated carbon-clad inorganic oxide particles Eric F. Funkenbusch, Peter W. Carr, Thomas Weber 1993-12-21
5254262 Carbon-clad zirconium oxide particles Eric F. Funkenbusch, Peter W. Carr, Thomas Weber 1993-10-19
5205929 High stability porous zirconium oxide spherules Peter W. Carr, Eric F. Funkenbusch, Martin P. Rigney, Patrick L. Coleman, Wes A. Schafer 1993-04-27
5141634 High stability porous zirconium oxide spherules Peter W. Carr, Eric F. Funkenbusch, Martin P. Rigney, Patrick L. Coleman, Wes A. Schafer 1992-08-25
5108597 Carbon-clad zirconium oxide particles Eric F. Funkenbusch, Peter W. Carr, Thomas Weber 1992-04-28
5015373 High stability porous zirconium oxide spherules Peter W. Carr, Eric F. Funkenbusch, Martin P. Rigney, Patrick L. Coleman, Wes A. Schafer 1991-05-14