Inventor
TOMIZAWA HIROYUKI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “TOMIZAWA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI METALS LTD
7 patentsUS7789933B2Sep 7, 2010
R-T-B based sintered magnet
HITACHI METALS LTD10 citations83
US7740715B2Jun 22, 2010
R-T-B based sintered magnet
HITACHI METALS LTD11 citations83
US7534311B2May 19, 2009
R-t-b sintered magnet and rare earth alloy
HITACHI METALS LTD9 citations83
US7578892B2Aug 25, 2009
Magnetic alloy material and method of making the magnetic alloy material
HITACHI METALS LTD16 citations82
US7892365B2Feb 22, 2011
Rare earth element-iron-boron alloy, and magnetically anisotropic permanent magnet powder and method for production thereof
HITACHI METALS LTD4 citations62
US7867343B2Jan 11, 2011
Rare earth magnet and method for production thereof
HITACHI METALS LTD0 citations51
US7550047B2Jun 23, 2009
Rare earth element-iron-boron alloy and magnetically anisotropic permanent magnet powder and method for production thereof
HITACHI METALS LTD0 citations51
NEOMAX CO LTD
4 patentsUS7258751B2Aug 21, 2007
Rare earth magnet and method for production thereof
NEOMAX CO LTD12 citations83
US7316752B2Jan 8, 2008
R-T-B-C based rare-earth magnetic powder and bonded magnet
NEOMAX CO LTD5 citations62
US7172659B2Feb 6, 2007
Method for producing quenched R-T-B—C alloy magnet
NEOMAX CO LTD2 citations62
US6818041B2Nov 16, 2004
Magnetic alloy powder for permanent magnet and method for producing the same
NEOMAX CO LTD1 citations51