Inventor · Yokohama, JP

Ryuichi Shimizu

28Patents
11h-index
53Co-inventors
78Inventor score

Filing activity: Apr 12, 1976 → Jan 13, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US4908283A Preparation of ion conductive solid electrolyte Electricity 88 Expired
US5709968A Non-aqueous electrolyte secondary battery Emerging Cross-Sectional Technologies 78 Expired
US6558438B1 Method for producing a pressurized package for a film packed battery Emerging Cross-Sectional Technologies 71 Expired
US6291107A Non-aqueous electrolyte battery Emerging Cross-Sectional Technologies 53 Expired
US4680058A White ink composition for ink-jet printing Chemistry; Metallurgy 42 Expired
US6905795B2 Polymer electrolyte and a lithium secondary battery having the same Emerging Cross-Sectional Technologies 22 Expired
US4055780A Thermionic emission cathode having a tip of a single crystal of lanthanum hexaboride Electricity 21 Expired
US7491471B2 Electrolyte for lithium secondary battery and lithium secondary battery comprising same Emerging Cross-Sectional Technologies 16 Active
US7229718B2 Electrolyte for rechargeable lithium battery and rechargeable lithium battery comprising same Emerging Cross-Sectional Technologies 15 Expired
US4990418A Electrophotographic photoreceptor and method of producing the same Physics 12 Expired
US4453078A Ion source Electricity 12 Expired
US7351501B2 Electrolyte for rechargeable lithium battery and rechargeable lithium battery comprising same Emerging Cross-Sectional Technologies 8 Expired
US7776475B2 Lithium rechargeable battery and lithium rechargeable battery pack Emerging Cross-Sectional Technologies 6 Active
US7223501B2 Polymer electrolyte and lithium battery employing the same Emerging Cross-Sectional Technologies 6 Expired
US4713687A Scan line type dynamic observation apparatus Electricity 5 Expired
US4978596A Electrophotographic toner comprising lactone-modified epoxy resin Emerging Cross-Sectional Technologies 5 Expired
US7375328B2 Charged particle beam apparatus and contamination removal method therefor Electricity 4 Active
US7883801B2 Electrolyte for rechargeable lithium battery, and rechargeable lithium battery including the same Emerging Cross-Sectional Technologies 4 Active
US5403520A Nonlinear optical device and optical signal processing unit Physics 4 Expired
US7008728B2 Non-aqueous electrolyte for lithium secondary battery and lithium secondary battery comprising same Emerging Cross-Sectional Technologies 2 Expired
US8753775B2 Rechargeable lithium battery with an electrode active material including a multi-phase alloy powder Emerging Cross-Sectional Technologies 2 Active
US7611801B2 Non-aqueous electrolyte, rechargeable lithium battery, and rechargeable battery system Emerging Cross-Sectional Technologies 2 Active
US7033705B2 Polymer electrolyte, rechargeable lithium battery and method of preparing rechargeable lithium battery Emerging Cross-Sectional Technologies 1 Expired
US6819084B2 Method of fabricating rechargeable lithium battery and rechargeable lithium battery fabricated by same Emerging Cross-Sectional Technologies 1 Expired
US7141335B2 Rechargeable lithium battery and method of fabricating same Emerging Cross-Sectional Technologies 0 Expired

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