Inventor · disambiguated record
Katsuhiko Kohyama
Also filed as: KOHYAMA KATSUHIKO
13 granted patents·1 pending application·46 citations·filing 1997–2012
89Inventor score
Top patents by PatentIndex Score
14 records- 0186US7964318B2Coolant manifold and methods for supplying and discharging coolantHONDA MOTOR CO LTD·Filed 2007·Granted Jun 21, 2011·7 cites·17 claims
- 0274US8865366B2Fuel cell with protruded gas diffusion layerSUGITA NARUTOSHI·Filed 2012·Granted Oct 21, 2014·1 cites·11 claims
- 0367US8192886B2Fuel cell stack with power collecting terminalsMIZUSAKI KIMIHARU·Filed 2009·Granted Jun 5, 2012·2 cites·2 claims
- 0467US7094492B2Electrode for polymer electrolyte fuel cellHONDA MOTOR CO LTD·Filed 2002·Granted Aug 22, 2006·7 cites·6 claims
- 0566US8153333B2Fuel cell with protruded gas diffusion layerSUGITA NARUTOSHI·Filed 2004·Granted Apr 10, 2012·6 cites·8 claims
- 0660US7846612B2Fuel cellHONDA MOTOR CO LTD·Filed 2008·Granted Dec 7, 2010·0 cites·7 claims
- 0760US7306876B2Method for producing membrane-electrode structure and polymer electrolyte fuel cellHONDA MOTOR CO LTD·Filed 2003·Granted Dec 11, 2007·5 cites·13 claims
- 0859US7232627B2Electrode for solid polymer fuel cellHONDA MOTOR CO LTD·Filed 2003·Granted Jun 19, 2007·4 cites·7 claims
- 0955US7776464B2Solid polymer electrolyte fuel cell and electrode structure for the fuel cellHONDA MOTOR CO LTD·Filed 2004·Granted Aug 17, 2010·2 cites·12 claims
- 1052US7445865B2Fuel cellHONDA MOTOR CO LTD·Filed 2003·Granted Nov 4, 2008·1 cites·6 claims
- 1148US8221935B2Fuel cell stackSUZUKI MASAHARU·Filed 2009·Granted Jul 17, 2012·0 cites·6 claims
- 1243US2005008920A1Membrane electrode assembly for polymer electrolyte fuel cellFiled 2004·Application pending·0 cites
- 1331US6126386APump and medium circulation apparatusHONDA MOTOR CO LTD·Filed 1997·Granted Oct 3, 2000·6 cites·19 claims
- 1430US6257217B1Combustion chamber component for an internal combustion engine having a water and oil repellent coating and process for formation of coatingHONDA MOTOR CO LTD·Filed 1999·Granted Jul 10, 2001·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →