Inventor · Hirakata, JP

Ikuo Yonezu

85Patents
17h-index
86Co-inventors
87Inventor score

Filing activity: Sep 14, 1982 → Sep 13, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US5229222A Fuel cell system Emerging Cross-Sectional Technologies 72 Expired
US5366820A Fuel cell system Emerging Cross-Sectional Technologies 43 Expired
US6235426A Nonaqueous electrolyte secondary cell wit PTC current collector tabs Emerging Cross-Sectional Technologies 34 Expired
US6808848B2 Nonaqueous electrolyte secondary cells Emerging Cross-Sectional Technologies 32 Expired
US6653017B2 Nonaqueous electrolyte secondary cells Emerging Cross-Sectional Technologies 31 Expired
US6730438B2 Nonaqueous electrolyte secondary cells and process for fabricating same Emerging Cross-Sectional Technologies 25 Expired
US6352794B1 Lithium rechargeable battery Emerging Cross-Sectional Technologies 23 Expired
US4548044A Metal hydride container and metal hydride heat storage system Emerging Cross-Sectional Technologies 21 Expired
US6645664B2 Battery module and container for battery module Emerging Cross-Sectional Technologies 21 Expired
US6899973B2 Nonaqueous electrolyte secondary cells Emerging Cross-Sectional Technologies 21 Expired
US6193765A Method of manufacturing cylindrical non-aqueous electrolyte secondary cell Emerging Cross-Sectional Technologies 20 Expired
US6270920A Battery module and container for battery module Emerging Cross-Sectional Technologies 20 Expired
US6521374B1 Lithium secondary cell Emerging Cross-Sectional Technologies 19 Expired
US5797269A Hydrogen storage containers Emerging Cross-Sectional Technologies 19 Expired
US6007946A Non-sintered nickel electrode for alkaline storage battery, alkaline storage battery including the same, and method for production of non-sintered nickel electrode for alkaline storage battery Emerging Cross-Sectional Technologies 19 Expired
US7273678B2 Secondary cell Emerging Cross-Sectional Technologies 18 Expired
US6368749B1 Active substances, electrodes, nonaqueous electrolyte secondary cells, and a process for fabricating the active substances Emerging Cross-Sectional Technologies 17 Expired
US6692863B1 Nonaqueous electrolyte secondary cells and process for fabricating same Emerging Cross-Sectional Technologies 15 Expired
US5987895A Hydrogen storage containers Emerging Cross-Sectional Technologies 14 Expired
US6197074A Method of manufacturing a lithium battery Emerging Cross-Sectional Technologies 14 Expired
US4510759A Metalhydride container and metal hydride heat storage system Emerging Cross-Sectional Technologies 13 Expired
US6117589A Lithium battery with roughened electrode tab Emerging Cross-Sectional Technologies 12 Expired
US6458485B2 Nonaqueous electrolyte secondary cell Emerging Cross-Sectional Technologies 12 Expired
US5496424A Hydrogen absorbing alloy and process for preparing same Emerging Cross-Sectional Technologies 11 Expired
US6551743B1 Nonaqueous secondary battery Emerging Cross-Sectional Technologies 11 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.