Kabushiki Kaisha Chuo Kenkyusho

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C22C ALLOYS 171
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 132
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9046125 Bearing structure for internal combustion engineMar 12, 12Jun 02, 15[F01M, F16C]
D524667 Tire pressure gaugeJun 21, 05Jul 11, 06[]
D502656 Tire pressure gaugeJan 30, 03Mar 08, 05[1004]
D496602 Tire pressure gaugeJan 09, 04Sep 28, 04[1004]
D492608 Tire pressure gaugeSep 04, 03Jul 06, 04[1004]
6387196 Process for producing particle-reinforced titanium alloyOct 18, 99May 14, 02[C22C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7100435 Tire pressure gaugeExpiredNov 16, 04Sep 05, 06[E01C]
6826508 Tire pressure gaugeExpiredMar 03, 03Nov 30, 04[G01L]
6777111 Electro luminescent elementExpiredAug 03, 00Aug 17, 04[H05B]
2003/0126,819 Wall patchAbandonedMay 03, 02Jul 10, 03[E02D, E04G]
6447076 Device and method for estimating physical quantity and device and method for ABS controlExpiredSep 29, 99Sep 10, 02[B60T]

Top Inventors for This Owner

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