YAMAGUCHI SEIKEN KOGYO CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C09G POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH; SKI WAXES413
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR392
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 3135
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 264
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0015,867 POLISHING COMPOSITION AND METHOD FOR POLISHING MAGNETIC DISK SUBSTRATESep 28, 16Jan 19, 17[C09K, C01B, C09G, G11B]
2017/0015,868 POLISHING COMPOSITION AND METHOD FOR POLISHING MAGNETIC DISK SUBSTRATESep 28, 16Jan 19, 17[C09K, C01B, C09G, G11B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9862863 Polishing composition and method for polishing magnetic disk substrateSep 28, 16Jan 09, 18[B24B, C09K, C01B, C09G, G11B]
9856401 Polishing composition and method for polishing magnetic disk substrateSep 28, 16Jan 02, 18[B24B, C09K, C01B, C09G, G11B]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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