Patent assignee · FR · COMPANY

HELION

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5Patents
3Active
5Granted
36Portfolio score

Filing activity: Jan 24, 2002 → Apr 18, 2011

Most-cited patents

PatentTitleAreaCited byStatus
US8907675B2 Method for determining a state of health for an electrochemical device Emerging Cross-Sectional Technologies 14 Active
US8773145B2 Method for characterizing an electrical system by impedance spectroscopy Emerging Cross-Sectional Technologies 12 Active
US7122273B2 Light bipolar plate for fuel cell and method for making same Emerging Cross-Sectional Technologies 3 Expired
US7659020B2 Power supply plate for a coplanar circuit fuel cell Emerging Cross-Sectional Technologies 0 Expired
US9059441B2 Device for storing and restoring electrical energy Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.