Inventor · disambiguated record
Hideaki Kawata
Also filed as: KAWATA HIDEAKI
37 granted patents·8 pending applications·314 citations·filing 1986–2019
97Inventor score
Files withHITACHI POWDERED METALS19HITACHI CHEMICAL CO LTD9MITA INDUSTRIAL CO LTD5KYOCERA MITA CORP4FUJITSUKA HIROKI3
Top patents by PatentIndex Score
45 records- 0192US6340377B1High-temperature wear-resistant sintered alloyHITACHI POWDERED METALS·Filed 2000·Granted Jan 22, 2002·42 cites·12 claims
- 0287US7575619B2Wear resistant sintered memberHITACHI POWDERED METALS·Filed 2006·Granted Aug 18, 2009·13 cites·19 claims
- 0384US4956139AMethod of producing an exposure bladeCANON DENSHI KK·Filed 1987·Granted Sep 11, 1990·52 cites·1 claims
- 0482US5949003AHigh-temperature wear-resistant sintered alloyNISSAN MOTOR·Filed 1997·Granted Sep 7, 1999·40 cites·13 claims
- 0580US9637811B2Iron-based sintered sliding member and production method thereforHITACHI POWDERED METALS·Filed 2012·Granted May 2, 2017·3 cites·9 claims
- 0680US7572312B2Sintered valve seat and production method thereforHITACHI POWDERED METALS·Filed 2006·Granted Aug 11, 2009·7 cites·13 claims
- 0776US9212572B2Sintered valve guide and production method thereforFUJITSUKA HIROKI·Filed 2010·Granted Dec 15, 2015·3 cites·13 claims
- 0875US6660056B2Valve seat for internal combustion enginesHITACHI POWDERED METALS·Filed 2001·Granted Dec 9, 2003·10 cites·14 claims
- 0975US4844680AAutomatic article feeding apparatusCANON KK·Filed 1986·Granted Jul 4, 1989·28 cites·9 claims
- 1074US8617288B2Sintered material for valve guides and production method thereforFUJITSUKA HIROKI·Filed 2011·Granted Dec 31, 2013·2 cites·11 claims
- 1172US7892481B2Manufacturing method for wear resistant sintered member, sintered valve seat, and manufacturing method thereforHITACHI POWDERED METALS·Filed 2006·Granted Feb 22, 2011·4 cites·15 claims
- 1272US6562098B1Wear resistant sintered memberHITACHI POWDERED METALS·Filed 2002·Granted May 13, 2003·14 cites·19 claims
- 1368US12060628B2Sintered valve guide and method for producing sameHITACHI CHEMICAL CO LTD·Filed 2019·Granted Aug 13, 2024·0 cites·5 claims
- 1468US7601196B2Alloy powder for forming hard phase and ferriferous mixed powder using the same, and manufacturing method for wear resistant sintered alloy and wear resistant sintered alloyHITACHI POWDERED METALS·Filed 2007·Granted Oct 13, 2009·1 cites·8 claims
- 1567US9982562B2Sintered alloy and manufacturing method thereofHITACHI CHEMICAL CO LTD·Filed 2014·Granted May 29, 2018·0 cites·6 claims
- 1667US9260772B2Hard phase forming alloy powder, wear resistant sintered alloy, and production method for wear resistant sintered alloyHITACHI POWDERED METALS·Filed 2012·Granted Feb 16, 2016·0 cites·9 claims
- 1767US5670287AMagnetic carrier for electrophotographic developing agent and method of producing the sameMITA INDUSTRIAL CO LTD·Filed 1995·Granted Sep 23, 1997·20 cites·20 claims
- 1866US7452648B2Magnetic mono-component toner for developing electrostatic latent image and image forming methodKYOCERA MITA CORP·Filed 2005·Granted Nov 18, 2008·2 cites·9 claims
- 1966US5529602ASintered iron alloy resistant to abrasion at high temperature and method of manufacturing the sameHITACHI POWDERED METALS·Filed 1995·Granted Jun 25, 1996·21 cites·11 claims
- 2064US9982563B2Sintered alloy and manufacturing method thereofHITACHI CHEMICAL CO LTD·Filed 2017·Granted May 29, 2018·0 cites·6 claims
- 2164US2010008812A1Hard phase forming alloy powder, wear resistant sintered alloy, and production method for wear resistant sintered alloyHITACHI POWDERED METALS·Filed 2009·Application pending·0 cites
- 2262US10006111B2Sintered alloy and manufacturing method thereofHITACHI POWDERED METALS·Filed 2016·Granted Jun 26, 2018·0 cites·8 claims
- 2362US9631669B2Oil-impregnated sintered bearing and production method thereforHITACHI CHEMICAL CO LTD·Filed 2014·Granted Apr 25, 2017·1 cites·3 claims
- 2462US5952590ASintered alloy having superb wear resistance and process for producing the sameHITACHI POWDERED METALS·Filed 1998·Granted Sep 14, 1999·16 cites·18 claims
- 2559US10131972B2Iron based sintered sliding member and method for producing sameHITACHI CHEMICAL CO LTD·Filed 2014·Granted Nov 20, 2018·0 cites·5 claims
- 2659US10094009B2Sintered alloy and production method thereforHITACHI CHEMICAL CO LTD·Filed 2015·Granted Oct 9, 2018·0 cites·4 claims
- 2758US10150162B2Iron-based sintered alloy for sliding member and production method thereforHITACHI CHEMICAL CO LTD·Filed 2014·Granted Dec 11, 2018·0 cites·6 claims
- 2857US9744591B2Iron base sintered sliding member and method for producing sameHITACHI CHEMICAL CO LTD·Filed 2014·Granted Aug 29, 2017·0 cites·14 claims
- 2956US2009092848A1Sintered composite sliding part and production method thereforHITACHI POWDERED METALS·Filed 2008·Application pending·0 cites
- 3056US2013093131A1Sintered composite sliding part and production method thereforHITACHI POWDERED METALS·Filed 2012·Application pending·0 cites
- 3155US9340857B2Sintered alloy and production method thereforHITACHI POWDERED METALS·Filed 2013·Granted May 17, 2016·0 cites·6 claims
- 3255US6130018ACarrier for use in development of electrostatic latent image and image forming apparatus using the carrierKYOCERA MITA CORP·Filed 1999·Granted Oct 10, 2000·11 cites·7 claims
- 3355US2013058825A1Sintered alloy and manufacturing method thereofFUKAE DAISUKE·Filed 2012·Application pending·0 cites
- 3454US2006207386A1Alloy powder for forming hard phase and ferriferous mixed powder using the same, and manufacturing method for wear resistant sintered alloy and wear resistant sintered alloyHITACHI POWDER METALS CO LTD·Filed 2006·Application pending·0 cites
- 3553US7294167B2Alloy powder for forming hard phase and ferriferous mixed powder using the same, and manufacturing method for wear resistant sintered alloy and wear resistant sintered alloyHITACHI POWDERED METALS·Filed 2004·Granted Nov 13, 2007·3 cites·4 claims
- 3652US7625685B2Magnetic mono-component toner for developing electrostatic latent image and image forming methodKYOCERA MITA CORP·Filed 2008·Granted Dec 1, 2009·0 cites·6 claims
- 3751US2010080725A1Production method for sintered valve guideHITACHI POWDERED METALS·Filed 2009·Application pending·0 cites
- 3847US9404535B2Sliding bearing assemblyHITACHI CHEMICAL CO LTD·Filed 2013·Granted Aug 2, 2016·0 cites·6 claims
- 3945US8876935B2Sintered material for valve guides and production method thereforFUJITSUKA HIROKI·Filed 2011·Granted Nov 4, 2014·0 cites·8 claims
- 4044US5079124ACarrier for developerMITA INDUSTRIAL CO LTD·Filed 1990·Granted Jan 7, 1992·6 cites·8 claims
- 4142US5085964ACarrier for developerMITA INDUSTRIAL CO LTD·Filed 1990·Granted Feb 4, 1992·6 cites·7 claims
- 4239US5514509AElectrophotographic developerMITA INDUSTRIAL CO LTD·Filed 1992·Granted May 7, 1996·6 cites·14 claims
- 4339US2008131805A1Two-component developer, developing device using two-component developer, and image forming apparatusKYOCERA MITA CORP·Filed 2007·Application pending·0 cites
- 4439US2009269235A1Production method for sintered machine componentsHITACHI POWDERED METALS·Filed 2009·Application pending·0 cites
- 4535US5246809ACarrier for a developing agentMITA INDUSTRIAL CO LTD·Filed 1991·Granted Sep 21, 1993·3 cites·5 claims
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