Inventor · Hong Kong, CN

Yasutoshi Fujita

18Patents
7h-index
50Co-inventors
69Inventor score

Filing activity: May 20, 1998 → Jul 31, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7287316B2 Lapping monitor device, system and method Emerging Cross-Sectional Technologies 20 Expired
US8811127B1 Magnetic head comprising recording part, reading part, heater for expansion of the recording part, and heater for expansion of the reading part Physics 12 Active
US8588040B1 Thermally assisted magnetic head slider, head gimbal assembly, and hard disk drive with the same, and manufacturing method thereof Physics 12 Active
US6497611B2 Method of polishing a magnetic head slider Physics 11 Expired
US6383239B1 Free abrasive slurry composition and a grinding method using the same Chemistry; Metallurgy 10 Expired
US6095895A Processing jig Physics 8 Expired
US6444132B1 Free abrasive slurry compositions Physics 8 Expired
US8861318B1 Thermally assisted magnetic write head, and method of manufacturing the same Physics 6 Active
US6500049B2 Lapping oil composition for finish-grinding Performing Operations; Transporting 6 Expired
US8578593B2 Method of manufacturing thermal assisted magnetic write head Emerging Cross-Sectional Technologies 4 Active
US8984739B2 Method of manufacturing a thermally-assisted magnetic recording head that suppresses protrusion of a plasmon generator Emerging Cross-Sectional Technologies 3 Active
US8654617B2 Thermally-assisted magnetic recording head with optically isolating waveguide, head gimbal assembly, head arm assembly, magnetic disk unit, and light transmission unit Physics 1 Active
US8984738B2 Manufacturing method of a slider and manufacturing apparatus thereof Emerging Cross-Sectional Technologies 1 Active
US10486283B2 Manufacturing method of a slider Emerging Cross-Sectional Technologies 1 Active
US11887638B1 Laser diode, thermally assisted magnetic head, head gimbal assembly, hard disk drive and method of manufacturing a head gimbal assembly Physics 0 Active
US9190084B1 Thermal assisted magnetic recording head with protrusion on leading side of plasmon generator Emerging Cross-Sectional Technologies 0 Active
US12027179B1 Thermally assisted magnetic head, light source unit bar like member, and hard disk drive Physics 0 Active
US12400679B1 Thermally assisted magnetic head, head gimbal assembly, and hard disk drive Physics 0 Active

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