Inventor
KAWATA TSUNEHIRO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “KAWATA TSUNEHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI METALS LTD
10 patentsUS6846765B2Jan 25, 2005
Silicon nitride powder, silicon nitride sintered body, sintered silicon nitride substrate, and circuit board and thermoelectric module comprising such sintered silicon nitride substrate
HITACHI METALS LTD91 citations96
US6468365B1Oct 22, 2002
R-T-B sintered permanent magnet
HITACHI METALS LTD76 citations95
US6156383ADec 5, 2000
Alumina coated tool and production method thereof
HITACHI METALS LTD41 citations92
US5972495AOct 26, 1999
Alumina coated tool and production method thereof
HITACHI METALS LTD30 citations92
US7031166B2Apr 18, 2006
Silicon nitride powder, silicon nitride sintered body, sintered silicon nitride substrate, and circuit board and thermoelectric module comprising such sintered silicon nitride substrate
HITACHI METALS LTD19 citations91
US7794650B2Sep 14, 2010
Heat-resistant cast iron and exhaust equipment member formed thereby
HITACHI METALS LTD7 citations72
US7022252B2Apr 4, 2006
Permanent magnetic alloy and bonded magnet
HITACHI METALS LTD8 citations70
US5569334AOct 29, 1996
Stainless steel member for semiconductor fabrication equipment and surface treatment method therefor
HITACHI METALS LTD13 citations67
US7785385B2Aug 31, 2010
Ceramic honeycomb structure and moldable material usable for its extrusion molding
HITACHI METALS LTD3 citations58
US9536646B2Jan 3, 2017
Sintered ferrite magnet and its production method
HITACHI METALS LTD0 citations51