Sumitomo Metal Ceramics Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 2360
 
  
 
B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE 156
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6074893 Process for forming fine thick-film conductor patternsMay 27, 97Jun 13, 00[H01L]
5675181 Zirconia-added alumina substrate with direct bonding of copperJan 19, 96Oct 07, 97[H01L]
5660781 Process for preparing glass ceramic green sheetsJun 23, 95Aug 26, 97[C04B, B29D]
5597644 Ceramic circuit board and process for producing sameNov 09, 95Jan 28, 97[B32B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5463248 Semiconductor package using an aluminum nitride substrateExpiredMay 17, 94Oct 31, 95[H01L]
5459113 Aluminum nitride powder capable of forming colored sintered body and process for preparing sameExpiredFeb 01, 94Oct 17, 95[C04B]
5414300 Lid for semiconductor package and package having the lidExpiredSep 06, 94May 09, 95[H01L]
5397918 Ceramic package for housing a semiconductor deviceExpiredMar 23, 92Mar 14, 95[H01L]
5156903 Multilayer ceramic substrate and manufacture thereofExpiredDec 21, 90Oct 20, 92[B32B]
5013695 Dielectric ceramic compositionExpiredMay 22, 89May 07, 91[C04B]
4843038 Black sintered body of aluminum nitride and process for producing the sameExpiredNov 06, 87Jun 27, 89[C04B]
4824813 Dielectric ceramic compositionExpiredDec 17, 87Apr 25, 89[C04B]

Top Inventors for This Owner

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