Inventor · Yokohama, JP

Yasuaki Ootera

85Patents
4h-index
50Co-inventors
69Inventor score

Filing activity: Feb 16, 2001 → Sep 11, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9293696B2 Magnetic memory and shift register memory Physics 17 Active
US10032499B2 Magnetic memory device including two magnetic bodies Physics 6 Active
US6671242B1 Optical disk, method of manufacturing the same and optical disk apparatus Physics 5 Expired
US9831423B2 Magnetic memory and method for manufacturing same Electricity 5 Active
US9396811B2 Magnetic memory, method of recording data to and reproducing data from magnetic memory, and method of operating magnetic memory Physics 4 Active
US9515124B2 Magnetic memory, magnetic memory device, and method for manufacturing magnetic memory Electricity 4 Active
US10403381B2 Magnetic memory device Electricity 3 Active
US9858974B1 Magnetic memory Electricity 3 Active
US10482941B2 Magnetic memory device Electricity 2 Active
US9064522B2 Stamper and method of manufacturing bit patterned medium using stamper Performing Operations; Transporting 2 Active
US10453545B2 Magnetic memory device and method for manufacturing the same Physics 2 Active
US7869339B2 Multi-layer optical disc, information recording method and information reproducing method Physics 2 Active
US10276224B2 Magnetic memory having metal portions and magnetic memory array including same Physics 2 Active
US10304902B2 Magnetic memory device Electricity 2 Active
US9705073B2 Magnetic memory element and magnetic memory Electricity 2 Active
US10446212B2 Magnetic memory device Electricity 2 Active
US7283459B2 Optical disk and optical disk apparatus Physics 2 Expired
US10354739B2 Magnetic memory device including magnetic portions nonmagnetic layers Electricity 1 Active
US9886199B2 Magnetic memory device and magnetic storage method Physics 1 Active
US11956942B2 Memory device and method for manufacturing the same Electricity 1 Active
US7995442B2 Optical recording medium, information recording method, and information reproducing method Physics 1 Active
US8149672B2 Optical recording medium, information recording method, and information reproducing method Physics 1 Active
US8916053B2 Pattern forming method Emerging Cross-Sectional Technologies 1 Active
US10446249B2 Magnetic memory device Electricity 1 Active
US8142981B2 Storage medium, reproducing method, and recording method Physics 1 Active

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