HIDEO YOSHIDA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 150

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8475643 Anodic oxidation method and production for titanium oxide coating and method of supporting catalystExpiredApr 27, 04Jul 02, 13[C25D]
7300527 Method for activating surface of base material and apparatus thereofExpiredNov 06, 02Nov 27, 07[B08B]
7037420 Anodic oxidation method and treatment apparatus thereofExpiredMay 24, 02May 02, 06[C25D]
5517258 Eyeglass frame with internal spring and slider assembliesExpiredNov 17, 94May 14, 96[G02C]

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