MITSUBISHI MATERIALS PMG CORPORATION
Patent Owner
Stats
- 3 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Sep 27, 2012 most recent publication
Details
- 3 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 201 Total Citation Count
- Oct 02, 1987 Earliest Filing
- 20 Expired/Abandoned/Withdrawn Patents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
5395462 Anisotropic rare earth-Fe-B system and rare earth-Fe-Co-B system magnetFeb 23, 93Mar 07, 95[H01F]
5338371 Rare earth permanent magnet powder, method for producing same and bonded magnetNov 19, 92Aug 16, 94[H01F]
5250206 Rare earth element-Fe-B or rare earth element-Fe-Co-B permanent magnet powder excellent in magnetic anisotropy and corrosion resistivity and bonded magnet manufactured therefromSep 19, 91Oct 05, 93[C04B]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2008/0001,692 Electromagnet Core and Method of Manufacturing the SameAbandonedOct 28, 04Jan 03, 08[F02M, B22F, H01F]
2007/0269,332 Method for Producing Composite Soft Magnetic Material Having High Strength and High Specific ResistanceAbandonedOct 28, 04Nov 22, 07[B22F, H01F]
2007/0243,400 Method for Producing Composite Soft Magnetic Material Exhibiting Excellent Magnetic Characteristics, High Strength and Low Core LossAbandonedOct 28, 04Oct 18, 07[B22F, H01F]
2007/0101,964 Valve seat for engine method of manufacturing the valve seat, and cylinder head for engineAbandonedSep 30, 04May 10, 07[F02N]
2006/0127,268 Powder compacting method and powder compacting deviceAbandonedJul 25, 02Jun 15, 06[B22F]
2006/0104,848 Method for manufacturing Fe-based sintered alloy member having excellent dimensional accuracy, strength and sliding performanceAbandonedNov 18, 04May 18, 06[B22F]
2006/0022,371 Method for forming compact from powder and mold apparatus for powder formingAbandonedNov 18, 03Feb 02, 06[B27N]
2003/0143,096 Sintered alloy article, its production method and a motorized fuel pump comprising a bearing comprised of sintered alloy articleAbandonedJan 27, 03Jul 31, 03[B22F]
5993732 Method for manufacturing a rare earth magnetic powder having high magnetic anisotropyExpiredJul 13, 98Nov 30, 99[B22F]
5849109 Methods of producing rare earth alloy magnet powder with superior magnetic anisotropyExpiredMar 10, 97Dec 15, 98[H01F]
5587024 Solid resin-coated magnet powder and a method for producing an anisotropic bonded magnet therefromExpiredApr 17, 95Dec 24, 96[H01F]
5228930 Rare earth permanent magnet power, method for producing same and bonded magnetExpiredJul 31, 90Jul 20, 93[H01F]
5147447 Sintered rare earth metal-boron-iron alloy magnets and a method for their productionExpiredFeb 02, 90Sep 15, 92[G22F]
5110374 Rare earth-iron-boron magnet powder and process of producing sameExpiredJun 06, 90May 05, 92[H01F]
4981532 Rare earth-iron-boron magnet powder and process of producing sameExpiredAug 19, 88Jan 01, 91[H01F]
4836848 Fe-based sintered alloy for valve seats for use in internal combustion enginesExpiredOct 02, 87Jun 06, 89[C22C]
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