Inventor · Tokyo, JP

Hiroshi Eto

9Patents
4h-index
13Co-inventors
54Inventor score

Filing activity: Aug 21, 1990 → Feb 19, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5095470A Capacitance detection control circuit for positioning a magnetic head close to a magneto-optical disk Physics 36 Expired
US5557589A Disc recording and/or reproducing apparatus that positions the magnetic head in response to a type of disc Physics 16 Expired
US5168483A Magnetic head position control apparatus including drive means responsive to a summed signal from a capacitance detection electrode and a disk size detector means Physics 12 Expired
US6064181A Method for detecting fully-charged state of rechargeable battery Physics 6 Expired
US9850867B2 Control system for internal combustion engine and inert gas concentration detecting device for compressed natural gas Emerging Cross-Sectional Technologies 3 Active
US9200611B2 Control apparatus for a multi-fuel internal combustion engine Emerging Cross-Sectional Technologies 3 Active
US9562489B2 Control system for internal combustion engine Emerging Cross-Sectional Technologies 2 Active
US5111441A Apparatus for generating magnetic field varying in response to an information signal Physics 2 Expired
US9234155B2 Refrigerator oil composition, method for producing same, and working fluid composition for refrigerators Chemistry; Metallurgy 2 Active

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