Inventor
SAITO KAZUHISA
JP19 patents
⚠️ This page may combine multiple inventors who share the name “SAITO KAZUHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DOWA MINING CO
7 patentsUS5591535AJan 7, 1997
Ferromagnetic metal powder
DOWA MINING CO20 citations92
US5534361AJul 9, 1996
Ferromagnetic metal powder
DOWA MINING CO19 citations92
US6506264B1Jan 14, 2003
Ferromagnetic powder
DOWA MINING CO23 citations90
US6440545B1Aug 27, 2002
Powder for use in lower layer of coating type magnetic recording medium
DOWA MINING CO11 citations72
US6171692B1Jan 9, 2001
Particle for lower layer of coating type magnetic recording medium
DOWA MINING CO3 citations60
US6040043AMar 21, 2000
Particles for lower layer of coating type magnetic recording medium
DOWA MINING CO3 citations60
US5902676AMay 11, 1999
Coating type magnetic recording medium having a multilayer structure
DOWA MINING CO2 citations60
TOHO BESLON CO
6 patentsUS4069297AJan 17, 1978
Process for producing carbon fibers
TOHO BESLON CO53 citations92
US4259397AMar 31, 1981
Brake lining material
TOHO BESLON CO42 citations89
US4401533AAug 30, 1983
Surface-treatment of carbon fiber
TOHO BESLON CO12 citations73
US4397831AAug 9, 1983
Production of carbon fibers from acrylonitrile based fibers
TOHO BESLON CO14 citations73
US4197279AApr 8, 1980
Carbon fiber having improved thermal oxidation resistance and process for producing same
TOHO BESLON CO9 citations72
US4304746ADec 8, 1981
Process for producing preoxidized fiber spun yarns
TOHO BESLON CO7 citations68