SS

Subbarao Surampudi

Caltech: 22 patents #61 of 4,321Top 2%
NASA: 3 patents #448 of 3,881Top 15%
UC University Of Southern California: 2 patents #433 of 1,826Top 25%
NA National Aeronautics And Space Administration: 1 patents #15 of 161Top 10%
📍 Glendora, CA: #13 of 353 inventorsTop 4%
🗺 California: #20,738 of 386,348 inventorsTop 6%
Overall (All Time): #156,113 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
7488548 Direct methanol feed fuel cell and system Harvey A. Frank, Sekharipuram R. Narayanan, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 2009-02-10
7470478 Direct methanol feed fuel cell and system Harvey A. Frank, Sekharipuram R. Narayanan, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 2008-12-30
7445859 Organic fuel cell methods and apparatus Eugene Vamos, Sekharipuram R. Narayanan, Harvey A. Frank, Gerald Halpert, George A. Olah +1 more 2008-11-04
7425384 Direct methanol feed fuel cell and system Harvey A. Frank, Sekharipuram R. Narayanan, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 2008-09-16
7416809 Catalyst materials for fuel cells Sekharipuram R. Narayanan 2008-08-26
6821659 Organic fuel cell methods and apparatus Sekharipuram R. Narayanan, Eugene Vamos, Harvey A. Frank, Gerald Halpert, George A. Olah +1 more 2004-11-23
6740434 Organic fuel cell methods and apparatus Sekharipuram R. Narayanan, Eugene Vamos, Harvey A. Frank, Gerald Halpert, George A. Olah +1 more 2004-05-25
6703150 Direct methanol feed fuel cell and system Harvey A. Frank, Sekharipuram R. Narayanan, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 2004-03-09
6589684 Direct methanol feed fuel cell and system Harvey A. Frank, Sekharipuram R. Narayanan, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 2003-07-08
6492064 Organic solvents, electrolytes, and lithium ion cells with good low temperature performance Marshall C. Smart, Ratnakumar V. Bugga, Chen-Kuo Huang 2002-12-10
6420059 Direct methanol feed fuel cell and system Harvey A. Frank, Sekharipuram R. Narayanan, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 2002-07-16
6391486 Fabrication of a membrane having catalyst for a fuel cell Sekharipuram R. Narayanan 2002-05-21
6303244 Direct methanol feed fuel cell and system Harvey A. Frank, Sekharipuram R. Narayanan, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 2001-10-16
6265093 Direct methanol feed fuel cell and system Harvey A. Frank, Sekharipuram R. Narayanan, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 2001-07-24
6254748 Direct methanol feed fuel cell and system Harvey A. Frank, Sekharipuram R. Narayanan, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 2001-07-03
6248460 Organic fuel cell methods and apparatus Sekharipuram R. Narayanan, Eugene Vamos, Harvey A. Frank, Gerald Halpert, George A. Olah +1 more 2001-06-19
6146781 Direct methanol feed fuel cell and system Harvey A. Frank, Sekharipuram R. Narayanan, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 2000-11-14
5945231 Direct liquid-feed fuel cell with membrane electrolyte and manufacturing thereof Sekharipuram R. Narayanan, Gerald Halpert 1999-08-31
5773162 Direct methanol feed fuel cell and system Harvey A. Frank, Sekharipuram R. Narayanan, William Chun, Barbara Jeffries-Nakamura, Andrew Kindler +1 more 1998-06-30
5599638 Aqueous liquid feed organic fuel cell using solid polymer electrolyte membrane Sekharipuram R. Narayanan, Eugene Vamos, Harvey A. Frank, Gerald Halpert, George A. Olah +1 more 1997-02-04
5573873 Long life NA/NiCl.sub.2 cells Ratnakumar V. Bugga, Gerald Halpert 1996-11-12
5436093 Method for fabricating carbon/lithium-ion electrode for rechargeable lithium cell Chen-Kuo Huang, Alan I. Attia, Gerald Halpert 1995-07-25
5427872 Dendrite preventing separator for secondary lithium batteries David H. Shen, Chen-Kuo Huang, Gerald Halpert 1995-06-27
5294503 Anode for rechargeable ambient temperature lithium cells Chen-Kuo Huang, Alan I. Attia, Gerald Halpert 1994-03-15
5278000 Overcharge and overdischarge protection of ambient temperature secondary lithium cells Chen-Kuo Huang, Alan I. Attia, Gerald Halpert 1994-01-11