Inventor · Nagano, JP

Hiroaki Nagata

23Patents
6h-index
27Co-inventors
69Inventor score

Filing activity: Jul 27, 1990 → Dec 2, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5207764A Tumbler type washing/drying machine Textiles; Paper 56 Expired
US7985303B2 Rare earth permanent magnet and its preparation Chemistry; Metallurgy 9 Active
US9892831B2 R-Fe—B sintered magnet and making method Electricity 7 Active
US9044810B2 Rare earth magnet and its preparation Performing Operations; Transporting 6 Active
US8277578B2 Rare earth permanent magnet and its preparation Chemistry; Metallurgy 6 Active
US8025744B2 Rare earth permanent magnet and its preparation Chemistry; Metallurgy 6 Active
US8252123B2 Rare earth permanent magnet and its preparation Chemistry; Metallurgy 6 Active
US10410775B2 R—Fe—B sintered magnet and making method Electricity 5 Active
US8557057B2 Rare earth permanent magnet and its preparation Chemistry; Metallurgy 4 Active
US5057165A Rare earth permanent magnet and a method for manufacture thereof Electricity 3 Expired
US8718493B2 Apparatus and method of controlling an image forming apparatus Physics 2 Active
US10515747B2 R-Fe-B sintered magnet and making method Electricity 2 Active
US9608281B2 Conductive interconnected porous film and method of production of same Emerging Cross-Sectional Technologies 1 Active
US10614952B2 Rare earth permanent magnets and their preparation Electricity 1 Active
US11482377B2 Rare earth permanent magnets and their preparation Electricity 0 Active
US8276910B2 Document feeder, method for controlling the same, and recording medium Performing Operations; Transporting 0 Active
US9199339B2 Pb-free solder alloy Electricity 0 Active
US11791093B2 Rare earth permanent magnets and their preparation Electricity 0 Active
US10074477B2 Rare earth sintered magnet and making method Electricity 0 Active
US10589387B2 Au—Sn—Ag-based solder alloy and solder material, electronic component sealed with the same Au—Sn—Ag based solder alloy or solder material, and electronic component mounting device Performing Operations; Transporting 0 Active
US11010111B2 Image forming apparatus including a constant log storage Emerging Cross-Sectional Technologies 0 Active
US10160037B2 Rare earth magnet and its preparation Performing Operations; Transporting 0 Active
US11984751B2 Discharge circuit and discharging method of motor drive power supply circuit, and robot controller Electricity 0 Active

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