Inventor · Yokohama, JP

Kaoru Kato

36Patents
12h-index
54Co-inventors
84Inventor score

Filing activity: Jan 5, 1976 → Oct 26, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
USD817977S1 Display screen with graphical user interface General 93 Active
USD818474S1 Display screen with graphical user interface General 78 Active
USD817978S1 Display screen with graphical user interface General 52 Active
USD819672S1 Display screen with graphical user interface General 51 Active
USD809524S1 Display screen or portion thereof with graphical user interface General 48 Active
USD847178S1 Display screen with graphical user interface General 42 Active
US4051888A Low temperature energy carrying apparatus and method Mechanical Engineering; Lighting; Heating 19 Expired
US4142372A Controlled atmosphere storage method Human Necessities 19 Expired
US4726052A Radio telephone system and method for controlling same Emerging Cross-Sectional Technologies 18 Expired
US4832117A Fin tube heat exchanger Emerging Cross-Sectional Technologies 17 Expired
US4691767A Heat exchanger Emerging Cross-Sectional Technologies 17 Expired
US4723600A Heat exchanger Emerging Cross-Sectional Technologies 12 Expired
US7745019B2 Light emitting element and light emitting device and method of manufacturing light emitting element Emerging Cross-Sectional Technologies 11 Active
US5170842A Fin-tube type heat exchanger Emerging Cross-Sectional Technologies 10 Expired
US8128727B2 Method for collecting metal Emerging Cross-Sectional Technologies 10 Active
US7875881B2 Memory device and semiconductor device Emerging Cross-Sectional Technologies 10 Active
US5117902A Fin tube heat exchanger Emerging Cross-Sectional Technologies 9 Expired
US8928363B2 Semiconductor drive circuit and power conversion apparatus using same Emerging Cross-Sectional Technologies 8 Active
US7838874B2 Light-emitting device, electronic device, and manufacturing method of light-emitting device Electricity 8 Active
US8253327B2 Light-emitting element, light-emitting device, and electronic device Electricity 7 Active
US8049206B2 Organic field effect transistor and semiconductor device Electricity 6 Active
US7511418B2 Light emitting element, light emitting device and manufacturing method of light emitting element Electricity 5 Active
US8435793B2 Method for collecting metal Emerging Cross-Sectional Technologies 5 Active
US8941301B2 Light-emitting element, light-emitting device, electronic device, and method for fabricating light-emitting element Electricity 5 Active
US8319212B2 Light-emitting device and electronic device Electricity 5 Active

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