Inventor · Tokyo, JP

Hideaki Numata

25Patents
7h-index
25Co-inventors
69Inventor score

Filing activity: May 1, 2000 → Jan 7, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6341084B2 Magnetic random access memory circuit Physics 82 Expired
US6191972A Magnetic random access memory circuit Physics 82 Expired
US6703249B2 Method of fabricating magnetic random access memory operating based on tunnel magnetroresistance effect Electricity 52 Expired
US6462981B2 Magnetic random access memory Emerging Cross-Sectional Technologies 21 Expired
US7126201B2 Magnetic random access memory Electricity 20 Expired
US7929342B2 Magnetic memory cell, magnetic random access memory, and data read/write method for magnetic random access memory Electricity 17 Active
US6462982B1 Magnetic random access memory having voltage control circuitry for maintaining sense lines at constant low voltages Emerging Cross-Sectional Technologies 7 Expired
US8351249B2 Magnetic random access memory Electricity 4 Active
US8253124B2 Semiconductor element Electricity 4 Active
US8547733B2 Magnetic random access memory Electricity 3 Active
US8923042B2 Magnetic random access memory Electricity 3 Active
US8526222B2 Magnetic random access memory Electricity 3 Active
US8309992B2 Switching element including carbon nanotubes and method for manufacturing the same Electricity 2 Active
US8238135B2 MRAM utilizing free layer having fixed magnetization regions with larger damping coefficient than the switching region Electricity 2 Active
US8477528B2 Magnetic memory cell and magnetic random access memory Electricity 1 Active
US11435251B2 Control apparatus, array-type sensor, sensor usage method, control method, and program Physics 0 Active
US11383984B2 Nanocarbon separation device, nanocarbon separation method, and nanocarbon recovery method Chemistry; Metallurgy 0 Active
US7177179B2 Magnetic memory, and its operating method Physics 0 Expired
US12215027B2 Nanocarbon separation method and nanocarbon separation apparatus Emerging Cross-Sectional Technologies 0 Active
US11767442B2 Nanocarbon ink and method for manufacturing semiconductor device in which same is used Chemistry; Metallurgy 0 Active
US12428299B2 Method for separating single-walled carbon nanotube mixture and single-walled carbon nanotube dispersion liquid Chemistry; Metallurgy 0 Active
US11511229B2 Nanocarbon separation method Chemistry; Metallurgy 0 Active
US12042766B2 Cross-flow filtration device and cross-flow filtration method Chemistry; Metallurgy 0 Active
US8737119B2 Magnetic memory cell and magnetic random access memory Electricity 0 Active
US12127485B2 Switching element and method for manufacturing same Electricity 0 Active

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