Asahi Tec Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 247
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 243
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7685855 Vertically shaking working deviceMar 30, 07Mar 30, 10[B24B, C21D]
7458881 Surface treated product, surface treatment method, and surface treatment apparatusMar 08, 06Dec 02, 08[C21D]
7094476 Surface-treated product, surface-treatment method, and surface-treatment apparatusJun 26, 03Aug 22, 06[B23P]
6910520 Mold for castingJul 25, 03Jun 28, 05[B22D]
5810068 Pressure die-casting apparatus for vehicle wheelNov 05, 96Sep 22, 98[B22D]
D388045 Vehicle wheelApr 10, 91Dec 23, 97[1216]
5516327 Polishing method, device and buff wheel thereforJun 30, 94May 14, 96[B24B]
5491030 Surface finishing for metal moldingsJun 28, 93Feb 13, 96[B32B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0179,939 Vehicle wheel and manufacturing method of the sameAbandonedJan 23, 08Jul 31, 08[B60B, B21D]
2007/0134,149 Spheroidizing agent of graphiteAbandonedSep 29, 06Jun 14, 07[C01B, C09C, C01F]
7025927 Hot air blowing type fluidized-bed furnace, rotary heat-treatment furnace, heat-treatment apparatus, and method of heat treatmentExpiredJul 17, 01Apr 11, 06[C22B]
2005/0279,429 Aluminum alloy for casting-forging, aluminum casting-forging product and processes for production thereofAbandonedJul 25, 05Dec 22, 05[C22C]
2005/0212,350 Vehicle wheel and manufacturing method of the sameAbandonedMar 21, 05Sep 29, 05[B60B]
2005/0139,299 Method for heat treatment of precipitation hardening Al allotAbandonedFeb 25, 05Jun 30, 05[C22F]
6840765 Multi-layered heat treatment furnace, heat treatment unit, and method of heat treatmentExpiredJun 24, 03Jan 11, 05[C21D]
2004/0221,931 Aluminum cast -forged product and method for manufacturing aluminum cast-forged productAbandonedSep 09, 02Nov 11, 04[C22F]
2004/0211,499 Non-Cu-based cast Al alloy and method for heat treatment thereofAbandonedMay 21, 04Oct 28, 04[C22F]
6773665 Non-Cu-based cast Al alloy and method for heat treatment thereofExpiredMar 15, 02Aug 10, 04[C22C]
2004/0151,615 Cast aluminum alloy for forging, and aluminum cast-forged product and method of manufacturing the sameAbandonedOct 01, 03Aug 05, 04[C22C]
2004/0045,693 Mold for casting forged material, and method for casting forged materialAbandonedSep 09, 02Mar 11, 04[B22D]
2004/0011,434 Aluminum alloy formed by precipitation hardening and method for heat treatment thereofAbandonedFeb 10, 03Jan 22, 04[C22F]
2004/0000,384 Hollow casting and manufacturing method therefor, and method and apparatus for smoothing internal surface of hollow castingAbandonedOct 15, 02Jan 01, 04[B22D]
6619374 Apparatus for separating casting strainersExpiredJun 01, 00Sep 16, 03[B22D, B22C]
2003/0056,361 Method for manufacturing forged product, and apparatus for manufacturing forged productAbandonedSep 09, 02Mar 27, 03[B22D, B21B]
2003/0010,412 Aluminum alloy for casting-forge, and aluminum casting forged product and manufacturing method thereforAbandonedMar 15, 02Jan 16, 03[C22C]
6484877 Packaging element of tire wheelExpiredNov 06, 00Nov 26, 02[B65D]
2002/0069,141 Method for managing physical distribution with returnable containersAbandonedOct 22, 01Jun 06, 02[G06F]
5792334 Method of surface finishing of metal moldingsExpiredJan 22, 97Aug 11, 98[C25F]

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