FUJI OOZX INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 748
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
C22C ALLOYS 171
 
  
 
C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS 136

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8899200 Valve spring retainer for an internal combustion engine and a method of manufacturing the sameApr 27, 10Dec 02, 14[F01L, F16F]
5753179 Steels for exhaust valves having improved fatigue strength at high temperature, corrosion resistance at room and higher temperatures and oxidation resistanceSep 20, 96May 19, 98[C22C]
5616192 Coil retainer for engine valve and preparation of the sameDec 28, 95Apr 01, 97[F01L, C22F]
5605122 Tappet in an internal combustion engine and a method of manufacturing itMay 06, 96Feb 25, 97[F01L]
5431136 Internal combustion valve having an iron based hard-facing alloy contact surfaceDec 19, 94Jul 11, 95[F01L]
5402568 Method of securing a tip in a tappetMar 26, 93Apr 04, 95[B23P]
5289804 Tappet in an internal combustion engineMar 25, 93Mar 01, 94[F01L]
5269268 Tappet in an internal combustion engine and method of manufacturing the sameMar 26, 93Dec 14, 93[F01L]
5239953 Hydraulic tappet for an internal combustion engineJan 11, 93Aug 31, 93[F01L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0352,385 APPARATUS FOR PRODUCING A HOLLOW POPPET VALVEAbandonedAug 20, 14Dec 04, 14[B21K, B21C]
2013/0047,433 METHOD OF PRODUCING A HOLLOW POPPET VALVE AND AN APPARATUS THEREFORAbandonedDec 02, 11Feb 28, 13[B21K]
6691910 Method of joining different metal materials by friction weldingExpiredSep 17, 02Feb 17, 04[B23K]
2003/0197,047 Friction welding apparatusAbandonedFeb 10, 03Oct 23, 03[B23K]
6623568 Ti alloy poppet valve and a method of manufacturing the sameExpiredOct 21, 02Sep 23, 03[C23C]
6619251 Tappet for an internal combustion engineExpiredAug 22, 02Sep 16, 03[F01M]
6592683 Ti alloy surface treatmentExpiredNov 21, 01Jul 15, 03[C23C]
6564773 Multi-valve engineExpiredJun 06, 02May 20, 03[F01L]
2003/0041,922 Method of strengthening Ti alloyAbandonedMar 28, 02Mar 06, 03[C23C]
6511045 Ti alloy poppet valve and a method of manufacturing the sameExpiredFeb 22, 01Jan 28, 03[F16K]
2002/0171,060 Valve spring retainerAbandonedJul 20, 01Nov 21, 02[F16K, F02N]
2002/0083,811 Deburring apparatus for a workpieceAbandonedApr 13, 01Jul 04, 02[B26F]
6382246 Valve position detectorExpiredJul 17, 01May 07, 02[F16K]
2002/0035,979 Valve operating mechanism of an internal combustion engineAbandonedNov 01, 01Mar 28, 02[F01L]
2002/0033,465 Poppet valve and a method of manufacturing the sameAbandonedMay 18, 01Mar 21, 02[F16K]
6354001 Method of manufacturing a Ti alloy poppet valueExpiredMay 16, 00Mar 12, 02[B23P]
2002/0020,733 Method of joining different metal materials by friction weldingAbandonedMar 20, 01Feb 21, 02[B23K, B21D]
6341588 Valve spring retainer and a valve operating mechanismExpiredAug 03, 01Jan 29, 02[F01L]
6338325 Valve operating mechanism of an internal combustion engineExpiredAug 17, 00Jan 15, 02[F01L]
6311661 Valve spring retainer and a valve operating mechanismExpiredAug 03, 01Nov 06, 01[F01L]

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