Inventor
KAJIHARA KAZUHISA
JP13 patents
⚠️ This page may combine multiple inventors who share the name “KAJIHARA KAZUHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
6 patentsUS6440552B1Aug 27, 2002
Boehmite and base coat layer for magnetic recording medium
SUMITOMO CHEMICAL CO38 citations92
US7078010B2Jul 18, 2006
Method for producing α-alumina powder
SUMITOMO CHEMICAL CO7 citations72
US7758845B2Jul 20, 2010
Method for producing an alpha alumina particle
SUMITOMO CHEMICAL CO0 citations51
US7691362B2Apr 6, 2010
Method for producing an α-alumina power
SUMITOMO CHEMICAL CO0 citations51
US7510607B2Mar 31, 2009
Coating composition and method for producing the same
SUMITOMO CHEMICAL CO0 citations51
US5690726ANov 25, 1997
Dimethylaluminum hydride composition, process for producing the same and method of reducing viscosity of dimethylaluminum hydride
SUMITOMO CHEMICAL CO0 citations49
KOYO SEIKO CO
6 patentsUS6010248AJan 4, 2000
Pressed retainer and a ball bearing comprising the pressed retainer
KOYO SEIKO CO23 citations92
US5544963AAug 13, 1996
Bearing seal assembly with specially dimensioned sealing lip
KOYO SEIKO CO24 citations91
USRE36804EAug 1, 2000
Bearing sealing device and bearing sealing mechanism capable of preventing the leakage of grease
KOYO SEIKO CO29 citations90
US5607240AMar 4, 1997
Bearing sealing device and bearing sealing mechanism capable of preventing the leakage of grease
KOYO SEIKO CO20 citations90
US5833373ANov 10, 1998
Bearing retainer and method of fabricating the same
KOYO SEIKO CO19 citations89
US7281855B2Oct 16, 2007
Tapered roller bearing and final reduction gear
KOYO SEIKO CO0 citations48