SN

Sekharipuram R. Narayanan

Caltech: 43 patents #22 of 4,321Top 1%
UC University Of Southern California: 4 patents #186 of 1,826Top 15%
NASA: 1 patents #1,418 of 3,881Top 40%
📍 Altadena, CA: #9 of 429 inventorsTop 3%
🗺 California: #9,453 of 386,348 inventorsTop 3%
Overall (All Time): #65,904 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #TitleCo-InventorsDate
8202663 Solid acid electrolytes for electrochemical devices Sossina M. Haile, Ryan Merle, Dane Andrew Boysen, Calum Chisholm 2012-06-19
8183174 IR-doped ruthenium oxide catalyst for oxygen evolution Thomas I. Valdez 2012-05-22
7695849 Low Pt content direct methanol fuel cell anode catalyst: nanophase PtRuNiZr Jay Whitacre 2010-04-13
7585577 Monopolar fuel cell stack coupled together without use of top or bottom cover plates or tie rods Thomas I. Valdez 2009-09-08
7488548 Direct methanol feed fuel cell and system Subbarao Surampudi, Harvey A. Frank, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 2009-02-10
7470478 Direct methanol feed fuel cell and system Subbarao Surampudi, Harvey A. Frank, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 2008-12-30
7445859 Organic fuel cell methods and apparatus Eugene Vamos, Subbarao Surampudi, Harvey A. Frank, Gerald Halpert, George A. Olah +1 more 2008-11-04
7425384 Direct methanol feed fuel cell and system Subbarao Surampudi, Harvey A. Frank, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 2008-09-16
7416803 Solid acid electrolytes for electrochemical devices Sossina M. Haile, Calum Chisholm, Ryan Merle, Dane Andrew Boysen 2008-08-26
7416809 Catalyst materials for fuel cells Subbarao Surampudi 2008-08-26
7282291 Water free proton conducting membranes based on poly-4-vinylpyridinebisulfate for fuel cells Shiao-Pin S. Yen 2007-10-16
7147958 Membrane electrode assembly for a fuel cell Surya Prakash, Anthony Atti, George A. Olah, Marshall C. Smart 2006-12-12
7125621 Proton conducting membrane using a solid acid Sossina M. Haile, Calum Chisholm, Dane Andrew Boysen 2006-10-24
7108934 Proton conducting membranes for high temperature fuel cells with solid state “water free” membranes Shiao-Pin S. Yen 2006-09-19
7056428 Hydrogen generation by electrolysis of aqueous organic solutions William Chun, Barbara Jeffries-Nakamura, Thomas I. Valdez 2006-06-06
6821659 Organic fuel cell methods and apparatus Subbarao Surampudi, Eugene Vamos, Harvey A. Frank, Gerald Halpert, George A. Olah +1 more 2004-11-23
6756145 Electrode and interconnect for miniature fuel cells using direct methanol feed Thomas I. Valdez, Filiberto Clara 2004-06-29
6740434 Organic fuel cell methods and apparatus Subbarao Surampudi, Eugene Vamos, Harvey A. Frank, Gerald Halpert, George A. Olah +1 more 2004-05-25
6703150 Direct methanol feed fuel cell and system Subbarao Surampudi, Harvey A. Frank, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 2004-03-09
6680139 Reduced size fuel cell for portable applications Thomas I. Valdez, Filiberto Clara, Harvey A. Frank 2004-01-20
6589684 Direct methanol feed fuel cell and system Subbarao Surampudi, Harvey A. Frank, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 2003-07-08
6533919 Hydrogen generation by electrolysis of aqueous organic solutions William Chun, Barbara Jeffries-Nakamura, Thomas I. Valdez 2003-03-18
6485851 Power generation in fuel cells using liquid methanol and hydrogen peroxide Thomas I. Valdez, William Chun 2002-11-26
6468684 Proton conducting membrane using a solid acid Calum Chisholm, Dane Andrew Boysen, Sossina M. Haile 2002-10-22
6444343 Polymer electrolyte membranes for use in fuel cells G. K. Surya Prakash, George A. Olah, Marshall C. Smart, Qungie J. Wang, Subbarao Surumpudi +1 more 2002-09-03