Inventor · Osaka, JP

Hiromasa Yagi

31Patents
12h-index
43Co-inventors
77Inventor score

Filing activity: Oct 20, 2000 → Apr 16, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7192673B1 Electrode for rechargeable lithium battery and rechargeable lithium battery Emerging Cross-Sectional Technologies 156 Expired
US7235330B1 Electrode for use in lithium battery and rechargeable lithium battery Emerging Cross-Sectional Technologies 145 Expired
US6685804B1 Method for fabricating electrode for rechargeable lithium battery Emerging Cross-Sectional Technologies 113 Expired
US6887511B1 Method for preparing electrode material for lithium battery Emerging Cross-Sectional Technologies 106 Expired
US7410728B1 Electrode for lithium batteries and rechargeable lithium battery Emerging Cross-Sectional Technologies 90 Expired
US7241533B1 Electrode for rechargeable lithium battery and rechargeable lithium battery Emerging Cross-Sectional Technologies 78 Expired
US7794881B1 Electrode for lithium batteries and rechargeable lithium battery Emerging Cross-Sectional Technologies 69 Expired
US7195842B1 Electrode for use in lithium battery and rechargeable lithium battery Emerging Cross-Sectional Technologies 67 Expired
US7659034B2 Lithium secondary battery Emerging Cross-Sectional Technologies 24 Active
US6649033B2 Method for producing electrode for lithium secondary battery Emerging Cross-Sectional Technologies 24 Expired
US6844113B2 Electrode for lithium secondary battery and method for producing the same Emerging Cross-Sectional Technologies 19 Expired
US6534131B1 Method for treating carbon film, carbon film and component with carbon film Emerging Cross-Sectional Technologies 12 Expired
US7153611B2 Lithium secondary battery and method for manufacturing thereof Emerging Cross-Sectional Technologies 9 Expired
US6764791B2 Rechargeable lithium battery Emerging Cross-Sectional Technologies 4 Expired
US6815003B2 Method for fabricating electrode for lithium secondary battery Emerging Cross-Sectional Technologies 4 Expired
US9045819B2 Method for forming thin film while providing cooling gas to rear surface of substrate Chemistry; Metallurgy 3 Active
US10535860B2 Nonaqueous electrolyte secondary battery Electricity 2 Active
US6770175B2 Apparatus for and method of forming electrode for lithium secondary cell Emerging Cross-Sectional Technologies 2 Expired
US8603196B2 Lithium secondary battery manufacturing method comprising forming lithium metal layer and lithium secondary battery Emerging Cross-Sectional Technologies 1 Active
US10305084B2 Prismatic secondary battery and assembled battery using the same Emerging Cross-Sectional Technologies 1 Active
US10644301B2 Prismatic secondary battery and assembled battery using the same Emerging Cross-Sectional Technologies 1 Active
US6899918B2 Method for manufacturing electrode for lithium secondary battery Emerging Cross-Sectional Technologies 1 Expired
US9028922B2 Deposition quantity measuring apparatus, deposition quantity measuring method, and method for manufacturing electrode for electrochemical element Emerging Cross-Sectional Technologies 1 Active
US8609279B2 Lithium secondary battery and method for producing same Emerging Cross-Sectional Technologies 0 Active
US11404699B2 Electrode for secondary battery and secondary battery using same Emerging Cross-Sectional Technologies 0 Active

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