Inventor
ISHIGAKI NAOYUKI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “ISHIGAKI NAOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO SPEC METALS
10 patentsUS5666635ASep 9, 1997
Fabrication methods for R-Fe-B permanent magnets
SUMITOMO SPEC METALS58 citations96
US6537385B2Mar 25, 2003
Rare earth magnet and method for manufacturing the same
SUMITOMO SPEC METALS22 citations92
US6491765B2Dec 10, 2002
Rare earth magnet and method for manufacturing the same
SUMITOMO SPEC METALS31 citations92
US5788782AAug 4, 1998
R-FE-B permanent magnet materials and process of producing the same
SUMITOMO SPEC METALS39 citations92
US4770702ASep 13, 1988
Process for producing the rare earth alloy powders
SUMITOMO SPEC METALS40 citations92
US4769063ASep 6, 1988
Method for producing rare earth alloy
SUMITOMO SPEC METALS21 citations81
US4767450AAug 30, 1988
Process for producing the rare earth alloy powders
SUMITOMO SPEC METALS21 citations81
US4484957ANov 27, 1984
Permanent magnetic alloy
SUMITOMO SPEC METALS9 citations74
US4898613AFeb 6, 1990
Rare earth alloy powder used in production of permanent magnets
SUMITOMO SPEC METALS7 citations73
US6221270B1Apr 24, 2001
Process for producing compound for rare earth metal resin-bonded magnet
SUMITOMO SPEC METALS7 citations67