Inventor · disambiguated record
Wataru Hisada
Also filed as: HISADA WATARU
7 granted patents·2 pending applications·11 citations·filing 2000–2011
77Inventor score
Top patents by PatentIndex Score
9 records- 0172US7807281B2Stainless steel, titanium, or titanium alloy solid polymer fuel cell separator and its method of production and method of evaluation of warp and twist of separatorNIPPON STEEL CORP·Filed 2006·Granted Oct 5, 2010·3 cites·6 claims
- 0266US8182961B2Solid polymer type fuel cell separator and method of production of sameTANAKA KOKI·Filed 2007·Granted May 22, 2012·2 cites·2 claims
- 0354US8361676B2Solid polymer type fuel cell separator and method of production of sameNIPPON STEEL CORP·Filed 2011·Granted Jan 29, 2013·0 cites·1 claims
- 0453US6726953B2Method for depositing metal having high corrosion resistance and low contact resistance against carbon on separator for fuel cellSINTOBRATOR LTD·Filed 2000·Granted Apr 27, 2004·2 cites·11 claims
- 0551US8785031B2Polymer electrolyte fuel cell separator made of pure titanium or titanium alloy and method of production of sameKANEKO MICHIO·Filed 2007·Granted Jul 22, 2014·0 cites·1 claims
- 0646US8061217B2Apparatus for measuring a flow rate of a powderHISADA WATARU·Filed 2008·Granted Nov 22, 2011·4 cites·5 claims
- 0745US8304141B2Stainless steel, titanium, or titanium alloy solid polymer fuel cell separator and its method of production and method of evaluation of warp and twist of separatorKIHIRA HIROSHI·Filed 2010·Granted Nov 6, 2012·0 cites·6 claims
- 0840US2012064232A1Method of treatment for imparting conductivity to surface of separator-use base member of solid polymer type fuel cellYAMAZAKI KEISUKE·Filed 2010·Application pending·0 cites
- 0937US2009013904A1Method for manufacturing a solid plating material and the solid plating material manufactured by the methodHISADA WATARU·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →