MATSUI, AKIRA

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61C DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE 255
 
  
 
C03C CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS159

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5772436 Odontotherapeutic hand pieceJul 03, 96Jun 30, 98[A61C]
5562446 Small handpiece with fluid driven turbineJan 31, 95Oct 08, 96[A61C]
5480844 Crystallized-glass-made artificial nucleus for pearl, production process of the artificial nucleus, and pearl produced using the artificial nucleusJan 05, 95Jan 02, 96[C03C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6001778 Lubricating oil for rolling bearing in high-speed rotating equipment, and bearing lubricated with the same lubricating oilExpiredJan 11, 99Dec 14, 99[C10M]
5981448 Lubricating oil for rolling bearing in high-speed rotating equipment and bearing lubricated with the same lubricating oilExpiredSep 30, 97Nov 09, 99[C10M, F16C]
5900197 Production process of porous retainer for rolling bearingExpiredSep 30, 97May 04, 99[B29C]

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