Inventor
SHIROYAMA MASAHARU
JP11 patents
⚠️ This page may combine multiple inventors who share the name “SHIROYAMA MASAHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO SPEC METALS
7 patentsUS4814915AMar 21, 1989
Magnetic head slider and material therefor
SUMITOMO SPEC METALS29 citations92
US4796127AJan 3, 1989
Recording head slider
SUMITOMO SPEC METALS36 citations92
US4430440AFeb 7, 1984
Magnetic head slider material
SUMITOMO SPEC METALS52 citations92
US4902651AFeb 20, 1990
Material for magnetic head substrate member
SUMITOMO SPEC METALS19 citations81
US4859638AAug 22, 1989
Magnetic head sliders, materials therefor, and the process for the production thereof
SUMITOMO SPEC METALS16 citations81
US5432016AJul 11, 1995
Magnetic head slider material
SUMITOMO SPEC METALS6 citations70
US5302560AApr 12, 1994
Process for the production of magnetic head sliders
SUMITOMO SPEC METALS0 citations51
NIPPON TUNGSTEN
4 patentsUS4582812AApr 15, 1986
Aluminum oxide substrate material for magnetic head and method for producing the same
NIPPON TUNGSTEN21 citations81
US4478871AOct 23, 1984
Method for hardfacing a ferrous base material
NIPPON TUNGSTEN14 citations72
US4438213AMar 20, 1984
Magnetic head slider material and method for producing the same
NIPPON TUNGSTEN5 citations59
US5093290AMar 3, 1992
Silicon nitride type sintered bodies and method for producing the same
NIPPON TUNGSTEN3 citations57