Inventor
YOSHIMURA KOHSHI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIMURA KOHSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO SPEC METALS
12 patentsUS6399150B1Jun 4, 2002
Rare earth metal-based permanent magnet, and process for producing the same
SUMITOMO SPEC METALS23 citations92
US6281774B1Aug 28, 2001
Corrosion-resistant permanent magnet and method for producing the same
SUMITOMO SPEC METALS25 citations92
US6348138B1Feb 19, 2002
Electroplating device for electroplating a work by rotation
SUMITOMO SPEC METALS14 citations83
US6444328B1Sep 3, 2002
FE-B-R based permanent magnet having corrosion-resistant film, and process for producing the same
SUMITOMO SPEC METALS10 citations74
US6355313B1Mar 12, 2002
Process for surface treatment of hollow work having hole communicating with outside
SUMITOMO SPEC METALS8 citations74
US6287444B1Sep 11, 2001
Method for producing very small metal ball
SUMITOMO SPEC METALS8 citations74
US6275130B1Aug 14, 2001
Corrosion-resisting permanent magnet and method for producing the same
SUMITOMO SPEC METALS13 citations74
US6251196B1Jun 26, 2001
Process for producing Fe-B-R based permanent magnet having a corrosion-resistant film
SUMITOMO SPEC METALS12 citations74
US6423369B1Jul 23, 2002
Process for sealing pores in molded product, and bonded magnet with pores sealed by the process
SUMITOMO SPEC METALS7 citations73
US6399147B2Jun 4, 2002
Process for producing Fe-B-R based permanent magnet having corrosion-resistant film
SUMITOMO SPEC METALS4 citations63
US6365030B1Apr 2, 2002
Method of manufacturing R-Fe-B bond magnets of high corrosion resistance
SUMITOMO SPEC METALS5 citations63
US6365224B1Apr 2, 2002
Process for forming metal layer on surface of resin molded product
SUMITOMO SPEC METALS4 citations60
NEOMAX CO LTD
6 patentsUS7053745B2May 30, 2006
Rare earth metal-based permanent magnet, and process for producing the same
NEOMAX CO LTD20 citations92
US6923898B2Aug 2, 2005
Electroplating device, and process for electroplating work using the device
NEOMAX CO LTD15 citations83
US6800967B2Oct 5, 2004
Integrated magnet body and motor incorporating it
NEOMAX CO LTD17 citations82
US6819211B2Nov 16, 2004
Process for surface-treatment of hollow work having hole communicating with outside, and ring-shaped bonded magnet produced by the process
NEOMAX CO LTD8 citations74
US7335392B2Feb 26, 2008
Method for producing corrosion-resistant rare earth metal-based permanent magnet
NEOMAX CO LTD2 citations59
US6863986B2Mar 8, 2005
Process for forming metal layer on surface of resin molded product
NEOMAX CO LTD0 citations49