Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HK

Han C. Kuo — 16 Patents

DUDuracell: 11 patents #3 of 239Top 2%
OLOlin: 2 patents #310 of 783Top 40%
AOAu Optronics: 1 patents #1,836 of 2,945Top 65%
DIDuracell International: 1 patents #14 of 30Top 50%
Cleveland, TN: #8 of 243 inventorsTop 4%
Tennessee: #1,039 of 20,272 inventorsTop 6%
Overall (All Time): #297,876 of 4,157,543Top 8%
16 Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
9826866 Portable urinal 2017-11-28
9159857 Solar apparatus and mounting system thereof 2015-10-13
5750282 Process for improving lithium ion cell Ignacio Chi, Karthik Ramaswami, Christa Todino 1998-05-12
5396177 Battery with electrochemical tester Ignacio Chi, Lifun Lin, Louis L. Wu 1995-03-07
5339024 Battery with electrochemical tester Ignacio Chi, Lifun Lin, Louis L. Wu 1994-08-16
5250905 Battery with electrochemical tester Ignacio Chi, Frederick A. Kulik 1993-10-05
4891281 Electrochemical cells having low vapor pressure complexed SO.sub.2 electrolytes Donald L. Foster 1990-01-02
4824744 Method of making cell anode John J. Andreola, Brian J. Bardsley 1989-04-25
4513067 Inorganic non-aqueous cell Donald L. Foster, Carl R. Schlaikjer, Mysore L. Gopikanth, Arabinda N. Dey 1985-04-23
4510220 Cell with PbCl.sub.2 cathode Mysore L. Gopikanth, Carl R. Schlaikjer 1985-04-09
4508798 Cell with CoCl.sub.2 cathode Mysore L. Gopikanth, William L. Bowden 1985-04-02
4508799 Cell with NiCl.sub.2 cathode Mysore L. Gopikanth 1985-04-02
4508800 Cell with FeBr.sub.3 cathode Mysore L. Gopikanth, Carl R. Schlaikjer 1985-04-02
4329404 Rechargeable non-aqueous cells with complex electrolyte salts William L. Bowden, Donald L. Foster, Peter R. Moses 1982-05-11
4292159 Cell having in situ reduction of electrode overvoltage Byung Kook Ahn, Ronald L. Dotson, Kenneth E. Woodard, Jr. 1981-09-29
4214954 Plated metallic cathode with porous copper subplating 1980-07-29