Inventor · Fukuoka, JP

Masaharu Shiroyama

11Patents
7h-index
14Co-inventors
59Inventor score

Filing activity: May 28, 1982 → Jun 11, 1994

Most-cited inventions

PatentTitleAreaCited byStatus
US4430440A Magnetic head slider material Emerging Cross-Sectional Technologies 40 Expired
US4796127A Recording head slider Physics 25 Expired
US4582812A Aluminum oxide substrate material for magnetic head and method for producing the same Physics 17 Expired
US4814915A Magnetic head slider and material therefor Physics 16 Expired
US4859638A Magnetic head sliders, materials therefor, and the process for the production thereof Physics 12 Expired
US4478871A Method for hardfacing a ferrous base material Emerging Cross-Sectional Technologies 11 Expired
US4902651A Material for magnetic head substrate member Chemistry; Metallurgy 11 Expired
US4438213A Magnetic head slider material and method for producing the same Physics 4 Expired
US5432016A Magnetic head slider material Emerging Cross-Sectional Technologies 4 Expired
US5093290A Silicon nitride type sintered bodies and method for producing the same Chemistry; Metallurgy 3 Expired
US5302560A Process for the production of magnetic head sliders Physics 0 Expired

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