HITACHI POWDERED METALS CO., LTD.
Patent Owner
Stats
- 91 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- May 09, 2017 most recent publication
Details
- 91 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,730 Total Citation Count
- Feb 20, 1980 Earliest Filing
- 99 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
9637811 Iron-based sintered sliding member and production method thereforOct 01, 12May 02, 17[F16C, B22F, C22C]
9441286 Oil-impregnated sintered bearing and production method thereforOct 19, 12Sep 13, 16[F16C, B22F, C22C]
9260772 Hard phase forming alloy powder, wear resistant sintered alloy, and production method for wear resistant sintered alloyDec 06, 12Feb 16, 16[C22C]
9174278 Substantially cylindrical powder compact and die assembly for compacting powderMay 12, 10Nov 03, 15[B22F, B30B]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2013/0093,131 SINTERED COMPOSITE SLIDING PART AND PRODUCTION METHOD THEREFORAbandonedDec 06, 12Apr 18, 13[B22F]
2013/0057,371 COATED METAL POWDER, POWDER MAGNETIC CORE AND METHOD FOR PRODUCING SAMEAbandonedApr 08, 11Mar 07, 13[B05D, B22F, H01F]
2013/0058,825 SINTERED ALLOY AND MANUFACTURING METHOD THEREOFAbandonedAug 13, 12Mar 07, 13[B22F, B32B]
2013/0056,674 POWDER MAGNETIC CORE AND PROCESS FOR PRODUCTION THEREOFAbandonedApr 08, 11Mar 07, 13[B82Y, B22F, H01F]
8337723 Electroconductive material and positive electrode material for lithium ion secondary battery using the sameExpiredJul 01, 10Dec 25, 12[C03C, C04B, H01B]
2012/0160,293 THERMOELECTRIC CONVERSION MODULE AND PRODUCTION METHOD THEREFORAbandonedDec 16, 11Jun 28, 12[H01L]
7666348 Production method of electrode for cold cathode fluorescent lampExpiredMay 08, 06Feb 23, 10[B22F]
7651659 Manufacturing method of sinter forged aluminum parts with high strengthExpiredOct 01, 04Jan 26, 10[B22F]
7649298 Claw teeth type electric rotary machine and manufacturing method for statorsExpiredJul 24, 07Jan 19, 10[H02K]
2010/0008,812 Hard phase forming alloy powder, wear resistant sintered alloy, and production method for wear resistant sintered alloyAbandonedJun 30, 09Jan 14, 10[B22F, C22C]
2009/0297,077 Fluid dynamic pressure bearing and production method for the sameAbandonedJul 16, 09Dec 03, 09[F16C]
7626301 Electric rotating machine having permanent magnets and method of manufacturing teeth portions of the stator iron coreExpiredSep 22, 05Dec 01, 09[H02K]
2009/0092,848 Sintered composite sliding part and production method thereforAbandonedOct 01, 08Apr 09, 09[B22F, B32B]
7399532 Corrosive resistant metal material covered with conductive substanceExpiredMar 14, 03Jul 15, 08[B32B]
2008/0023,056 Thermoelectric Conversion System and of Increasing Efficiency of Thermoelectric Conversion SystemAbandonedMay 19, 05Jan 31, 08[H01L]
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