Osaka Cement Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 138
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 173
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5229035 Bi-Pb-Sr-Ca-Cu-O system superconductorsMay 28, 91Jul 20, 93[C01B, H01L, H01B, C01G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5652016 Tetracalcium phosphate-based materials and processes for their preparationExpiredApr 02, 96Jul 29, 97[A61K, B05D, A61L]
5569490 Tetracalcium phosphate-based materials and processes for their preparationExpiredJun 02, 95Oct 29, 96[B05D]
5536575 Tetracalcium phosphate-based materials and processes for their preparationExpiredDec 21, 94Jul 16, 96[B32B]
5409982 Tetracalcium phosphate-based materials and process for their preparationExpiredJun 09, 93Apr 25, 95[C08K]
5266181 Controlled composite deposition methodExpiredNov 05, 92Nov 30, 93[C25D]
5223031 Cement/asphalt mixtures and processes for preparation of the sameExpiredJun 30, 92Jun 29, 93[C08L]
5173475 Bi-Pb-Sr-Ba-Ca-Cu-O system superconductorExpiredJun 29, 89Dec 22, 92[H01L, C01G, C01F]
4886717 Photochromic material, photochromic device and method for recording and erasing informationExpiredSep 08, 87Dec 12, 89[G03C]
4266980 Expansive solidifying materialExpiredSep 07, 79May 12, 81[C04B]

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