Inventor · Ibaraki, JP

Yoshio Kajiya

16Patents
4h-index
9Co-inventors
49Inventor score

Filing activity: Jan 15, 2003 → Apr 18, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US8748041B2 Positive electrode active material for lithium ion battery Emerging Cross-Sectional Technologies 15 Active
US7799301B2 Cathode material for lithium secondary battery and manufacturing method thereof Emerging Cross-Sectional Technologies 12 Active
US9118076B2 Positive electrode active material for lithium ion battery, positive electrode for lithium ion battery and lithium ion battery Emerging Cross-Sectional Technologies 5 Active
US7288242B2 Lithium-containing complex oxide and method of producing same Emerging Cross-Sectional Technologies 5 Expired
US8114309B2 Lithium-manganese composite oxides for lithium ion battery and process for preparing same Emerging Cross-Sectional Technologies 4 Active
US9327996B2 Method for producing positive electrode active material for lithium ion battery and positive electrode active material for lithium ion battery Emerging Cross-Sectional Technologies 3 Active
US9221693B2 Method for producing positive electrode active material for lithium ion batteries and positive electrode active material for lithium ion batteries Emerging Cross-Sectional Technologies 3 Active
US8062486B2 Lithium-containing transition metal oxide target, process for producing the same and lithium ion thin film secondary battery Emerging Cross-Sectional Technologies 3 Active
US9231249B2 Positive electrode active material for lithium ion battery, positive electrode for lithium ion battery, and lithium ion battery Emerging Cross-Sectional Technologies 2 Active
US9225020B2 Positive electrode active substance for lithium ion batteries, positive electrode for lithium ion batteries, and lithium ion battery Emerging Cross-Sectional Technologies 2 Active
US9216913B2 Positive electrode active substance for lithium ion batteries, positive electrode for lithium ion batteries, and lithium ion battery Emerging Cross-Sectional Technologies 2 Active
US9240594B2 Positive electrode active substance for lithium ion batteries, positive electrode for lithium ion batteries, and lithium ion battery Emerging Cross-Sectional Technologies 2 Active
US9059465B2 Positive electrode active material for lithium ion battery, positive electrode for secondary battery, and lithium ion battery Emerging Cross-Sectional Technologies 1 Active
US9136533B2 Lithium nickel manganese cobalt composite oxide and lithium rechargeable battery Emerging Cross-Sectional Technologies 1 Active
US10122012B2 Positive electrode active material for lithium-ion battery, a positive electrode for lithium-ion battery, and lithium-ion battery Emerging Cross-Sectional Technologies 0 Active
US10153487B2 Lithium complex oxide Emerging Cross-Sectional Technologies 0 Active

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