SUMITOMO SITIX CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C30B SINGLE-CRYSTAL GROWTH 353
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6245430 Silicon single crystal wafer and manufacturing method for itSep 03, 99Jun 12, 01[B32B]
6139632 Seed crystals, seed crystal holders, and a method for pulling a single crystalOct 29, 99Oct 31, 00[C30B]
6099641 Apparatus for pulling a single crystalAug 11, 99Aug 08, 00[C30B]
6086670 Silicon wafer and method for producing the sameDec 21, 98Jul 11, 00[C30B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5551978 Apparatus for producing single crystalExpiredApr 14, 95Sep 03, 96[C30B]
5477806 Method of producing silison single crystalExpiredMar 21, 94Dec 26, 95[C30B]
5471949 Apparatus for producing silicon single crystalExpiredOct 28, 94Dec 05, 95[C30B]
5435263 Method of producing single crystalExpiredMar 23, 94Jul 25, 95[C30B]
5392729 Method of producing silicon single crystalExpiredSep 26, 90Feb 28, 95[C30B]
5268063 Method of manufacturing single-crystal siliconExpiredApr 30, 92Dec 07, 93[C30B]
5223077 Method of manufacturing single-crystal siliconExpiredApr 12, 91Jun 29, 93[C30B]
5037503 Method for growing silicon single crystalExpiredMay 26, 89Aug 06, 91[C01B, C30B]
4562338 Heating power supply apparatus for polycrystalline semiconductor rodsExpiredJul 15, 83Dec 31, 85[H05B]

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