P

Inventor

KIKUI FUMIAKI

JP37 patents
⚠️ This page may combine multiple inventors who share the name “KIKUI FUMIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO SPEC METALS

18 patents
US6399150B1Jun 4, 2002

Rare earth metal-based permanent magnet, and process for producing the same

SUMITOMO SPEC METALS23 citations92
US6376089B1Apr 23, 2002

Process for producing rare earth metal-based permanent magnet having corrosion-resistant film

SUMITOMO SPEC METALS19 citations92
US6326087B1Dec 4, 2001

Rare earth metal-based permanent magnet, and process for producing the same

SUMITOMO SPEC METALS24 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
US6617044B2Sep 9, 2003

Surface treating process, surface treating apparatus, vapor-depositing material, and rare earth metal-based permanent magnet with surface treated

SUMITOMO SPEC METALS6 citations72
US6391386B1May 21, 2002

Surface treating process

SUMITOMO SPEC METALS10 citations72
US6080498AJun 27, 2000

Permanent magnet for ultra-high vacuum and production process thereof

SUMITOMO SPEC METALS13 citations67
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
US6211762B1Apr 3, 2001

Corrosion-resistant permanent magnet and method for manufacturing the same

SUMITOMO SPEC METALS4 citations60

NEOMAX CO LTD

10 patents

HITACHI METALS LTD

2 patents

NEOMAX MATERIALS CO LTD

2 patents

KIKUI FUMIAKI

2 patents

YOKOTA MASAYUKI

2 patents

NEOMAX MATERIAL CO LTD

1 patent