Nippon Reinz Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02F CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES 431
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS347
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1101

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8042815 Cylinder head gasket and engineJan 31, 08Oct 25, 11[F02F]
6145847 Metal laminate gasketJan 09, 98Nov 14, 00[F02F, F16J]
6113110 Metal gasketMar 17, 98Sep 05, 00[F02F]
6105971 Metal gasketMar 17, 98Aug 22, 00[F02F]
5979035 Method of producing metal gasketDec 09, 97Nov 09, 99[B23P]
5932645 Fluorine rubber-containing coating composition for screen printingMar 10, 97Aug 03, 99[C08K]
5622372 Metal seal ring and a method of producing the sameOct 17, 95Apr 22, 97[F16J]
5588657 Laminated metal gasket with diverse bead heightOct 03, 95Dec 31, 96[F16J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2001/0032,701 Wave absorber and production method thereofAbandonedMar 21, 01Oct 25, 01[H01Q]
6044537 Method of making a metal gasketExpiredDec 09, 97Apr 04, 00[B23P]
5849054 Filter for an inflatorExpiredOct 31, 95Dec 15, 98[B01D]
5656245 Catalytic converter for cleaning exhaust gasExpiredNov 14, 95Aug 12, 97[B01D]
5443887 Asbestos-free composition for gaskets containing an oil absorbent agent and gaskets including the compositionExpiredMay 23, 94Aug 22, 95[C09K, F16J]
5208972 Apparatus for assembling ring-shaped articlesExpiredNov 19, 91May 11, 93[B23P]
4948153 Metal gasketExpiredJun 23, 89Aug 14, 90[F02F, F16J]
4802698 Joint means having flangesExpiredApr 08, 87Feb 07, 89[F16L]

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