Assignee
AICHI STEEL WORKS LTD
JP·51 granted patents·994 citations·filing 1976–1998
Top patents by PatentIndex Score
51 records- 0192US4248072AMethod of and apparatus for producing plate material having uniform width and lengthwise thickness variationAICHI STEEL WORKS LTD·Filed 1979·Granted Feb 3, 1981·58 cites·21 claims
- 0291US4966751ASteel having good wear resistanceAICHI STEEL WORKS LTD·Filed 1988·Granted Oct 30, 1990·53 cites·8 claims
- 0387US5886070AProduction method for anisotropic resin-bonded magnetsAICHI STEEL WORKS LTD·Filed 1997·Granted Mar 23, 1999·76 cites·4 claims
- 0484US4985092ASteel having good wear resistanceAICHI STEEL WORKS LTD·Filed 1990·Granted Jan 15, 1991·36 cites·8 claims
- 0584US4969963ASoft magnetic stainless steel having good cold forgeabilityAICHI STEEL WORKS LTD·Filed 1988·Granted Nov 13, 1990·38 cites·9 claims
- 0682US4168241ALubricant and method for non-chip metal formingAICHI STEEL WORKS LTD·Filed 1978·Granted Sep 18, 1979·51 cites·43 claims
- 0780US4770721AProcess of treating steel for a vehicle suspension spring to improve sag-resistanceAICHI STEEL WORKS LTD·Filed 1986·Granted Sep 13, 1988·30 cites·15 claims
- 0880US4343167ARoller-dies-processing method and apparatusAICHI STEEL WORKS LTD·Filed 1981·Granted Aug 10, 1982·16 cites·23 claims
- 0978US5000801AWrought stainless steel having good corrosion resistance and a good resistance to corrosion in seawaterAICHI STEEL WORKS LTD·Filed 1988·Granted Mar 19, 1991·14 cites·7 claims
- 1078US4705581ASoft magnetic stainless steelAICHI STEEL WORKS LTD·Filed 1986·Granted Nov 10, 1987·23 cites·3 claims
- 1178US4544406ASpring steel having a good sag-resistance and a good hardenabilityAICHI STEEL WORKS LTD·Filed 1982·Granted Oct 1, 1985·23 cites·8 claims
- 1275US4960470AMethod for manufacturing a high strength stainless steelAICHI STEEL WORKS LTD·Filed 1989·Granted Oct 2, 1990·12 cites·11 claims
- 1372US5013243ADenture attachmentAICHI STEEL WORKS LTD·Filed 1989·Granted May 7, 1991·43 cites·12 claims
- 1471US4448617ASteel for a vehicle suspension spring having good sag-resistanceAICHI STEEL WORKS LTD·Filed 1981·Granted May 15, 1984·15 cites·12 claims
- 1570US4714502ASoft magnetic stainless steel for cold forgingAICHI STEEL WORKS LTD·Filed 1986·Granted Dec 22, 1987·18 cites·6 claims
- 1669US5009843ASpring steel having good durability and sag-resistanceAICHI STEEL WORKS LTD·Filed 1990·Granted Apr 23, 1991·31 cites·4 claims
- 1769US4857829AWater-soluble oil property detection deviceAICHI STEEL WORKS LTD·Filed 1988·Granted Aug 15, 1989·28 cites·6 claims
- 1868US5362338ANon-heat treating steel for hot forgingAICHI STEEL WORKS LTD·Filed 1993·Granted Nov 8, 1994·21 cites·12 claims
- 1967US4642219ABearing steel and method of manufacturing the sameAICHI STEEL WORKS LTD·Filed 1985·Granted Feb 10, 1987·23 cites·23 claims
- 2066US6336064B1Magnetic apparatus for detecting position of vehicleAICHI STEEL WORKS LTD·Filed 1998·Granted Jan 1, 2002·45 cites·13 claims
- 2164US5678998ADental magnetic attachmentAICHI STEEL WORKS LTD·Filed 1995·Granted Oct 21, 1997·39 cites·9 claims
- 2263US6203325B1Dental magnetic attachment and its fixing method including spacerAICHI STEEL WORKS LTD·Filed 1998·Granted Mar 20, 2001·38 cites·15 claims
- 2362US5851312AProduction method, production apparatus and heat treatment apparatus for anisotropic magnet powderAICHI STEEL WORKS LTD·Filed 1997·Granted Dec 22, 1998·19 cites·4 claims
- 2462US4975131AHigh strength hot worked stainless steelAICHI STEEL WORKS LTD·Filed 1989·Granted Dec 4, 1990·8 cites·22 claims
- 2561US4283930ARoller-dies-processing method and apparatusAICHI STEEL WORKS LTD·Filed 1978·Granted Aug 18, 1981·8 cites·20 claims
- 2657US5074141ABolster apparatus for press-forming workpiecesAICHI STEEL WORKS LTD·Filed 1989·Granted Dec 24, 1991·12 cites·2 claims
- 2756US4574016AMethod of treating steel for a vehicle suspension spring having a good sag-resistanceAICHI STEEL WORKS LTD·Filed 1984·Granted Mar 4, 1986·9 cites·13 claims
- 2855US5643491ARare earth magnetic powder, its fabrication method, and resin bonded magnetAICHI STEEL WORKS LTD·Filed 1993·Granted Jul 1, 1997·15 cites·10 claims
- 2954US5103173APermeameter having a differential transformer probe with a reduced distance between the detecting coilsAICHI STEEL WORKS LTD·Filed 1991·Granted Apr 7, 1992·18 cites·11 claims
- 3053US4071958ADevice for inspecting inner diameter and bending of pipeAICHI STEEL WORKS LTD·Filed 1976·Granted Feb 7, 1978·13 cites·9 claims
- 3149US5403545ABearing steelAICHI STEEL WORKS LTD·Filed 1992·Granted Apr 4, 1995·10 cites·9 claims
- 3249US4802918ACase hardened steel and method of manufacturing the sameAICHI STEEL WORKS LTD·Filed 1986·Granted Feb 7, 1989·11 cites·4 claims
- 3349US4711675AProcess for improving the sag-resistance and hardenability of a spring steelAICHI STEEL WORKS LTD·Filed 1985·Granted Dec 8, 1987·9 cites·8 claims
- 3448US5468522AMethod of manufacturing a composite magnetic componentAICHI STEEL WORKS LTD·Filed 1993·Granted Nov 21, 1995·11 cites·10 claims
- 3547US5442946ASteel stock shaping apparatus provided with guide apparatus and steel stock shaping processAICHI STEEL WORKS LTD·Filed 1991·Granted Aug 22, 1995·11 cites·13 claims
- 3646US6007757AMethod of producing an anisotropic bonded magnetAICHI STEEL WORKS LTD·Filed 1996·Granted Dec 28, 1999·10 cites·17 claims
- 3745US6113846AProduction apparatus for rare earth anisotropic magnet powdersAICHI STEEL WORKS LTD·Filed 1998·Granted Sep 5, 2000·11 cites·6 claims
- 3845US6083294AMethod of treating dust exhausted from melting furnaceAICHI STEEL WORKS LTD·Filed 1997·Granted Jul 4, 2000·8 cites·7 claims
- 3945US4957700AHigh strength non-magnetic stainless steelAICHI STEEL WORKS LTD·Filed 1989·Granted Sep 18, 1990·6 cites·22 claims
- 4044US6132488AProcess of treating waste containing zinc oxideAICHI STEEL WORKS LTD·Filed 1997·Granted Oct 17, 2000·8 cites·23 claims
- 4144US5931676ADental attachmentAICHI STEEL WORKS LTD·Filed 1995·Granted Aug 3, 1999·16 cites·36 claims
- 4244US4505946AMethod for coating metal with a dissimilar metalAICHI STEEL WORKS LTD·Filed 1981·Granted Mar 19, 1985·10 cites·6 claims
- 4342US5009723AMethod for manufacturing high strength non-magnetic stainless steelAICHI STEEL WORKS LTD·Filed 1989·Granted Apr 23, 1991·5 cites·7 claims
- 4442US5000797AMethod for producing a stainless steel having a good corrosion resistance and a good resistance to corrosion in seawaterAICHI STEEL WORKS LTD·Filed 1990·Granted Mar 19, 1991·4 cites·7 claims
- 4541US6056830AAnisotropic magnet powders and their production methodAICHI STEEL WORKS LTD·Filed 1997·Granted May 2, 2000·6 cites·6 claims
- 4638US5017247ARare earth magnet alloyAICHI STEEL WORKS LTD·Filed 1989·Granted May 21, 1991·6 cites·42 claims
- 4738US4702767AMethod of purifying a bearing steelAICHI STEEL WORKS LTD·Filed 1986·Granted Oct 27, 1987·6 cites·3 claims
- 4833US4957699ASoft magnetic Cr-Al steelAICHI STEEL WORKS LTD·Filed 1988·Granted Sep 18, 1990·2 cites·4 claims
- 4933US4915900AFree-cutting steel having high fatigue strengthAICHI STEEL WORKS LTD·Filed 1988·Granted Apr 10, 1990·6 cites·3 claims
- 5029US4849014AMolten metal heating methodAICHI STEEL WORKS LTD·Filed 1988·Granted Jul 18, 1989·2 cites·16 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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