PURERON JAPAN CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 4124
 
  
 
B01D SEPARATION 1133
 
  
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 151
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C23G CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS 112

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8808856 Apparatus and method for producing carbon film using plasma CVD and carbon filmOct 13, 05Aug 19, 14[B32B]
8421330 Carbon film having shape suitable for field emissionOct 26, 10Apr 16, 13[H01J]
7839067 Carbon film having shape suitable for field emissionAug 09, 06Nov 23, 10[H01J]
7468579 Lighting device with anode including carbon fiber mixed paperFeb 10, 05Dec 23, 08[H01J]
7432643 Lighting deviceFeb 16, 05Oct 07, 08[H01J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0216,127 SEPARATED TYPE PRESSURE GAUGEAbandonedJun 25, 12Aug 07, 14[G01L]
2009/0266,703 PLASMA GENERATING DEVICE AND FILM DEPOSITION METHOD IN WHICH THE PLASMA GENERATING DEVICE IS USEDAbandonedJul 31, 06Oct 29, 09[C23C]
4886533 Gas filterExpiredSep 29, 88Dec 12, 89[B01D]

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