Inventor
KAWATA HIDEAKI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “KAWATA HIDEAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI POWDERED METALS
14 patentsUS6340377B1Jan 22, 2002
High-temperature wear-resistant sintered alloy
HITACHI POWDERED METALS42 citations92
US5529602AJun 25, 1996
Sintered iron alloy resistant to abrasion at high temperature and method of manufacturing the same
HITACHI POWDERED METALS21 citations92
US7575619B2Aug 18, 2009
Wear resistant sintered member
HITACHI POWDERED METALS13 citations82
US6562098B1May 13, 2003
Wear resistant sintered member
HITACHI POWDERED METALS14 citations82
US5952590ASep 14, 1999
Sintered alloy having superb wear resistance and process for producing the same
HITACHI POWDERED METALS16 citations74
US7572312B2Aug 11, 2009
Sintered valve seat and production method therefor
HITACHI POWDERED METALS7 citations72
US9637811B2May 2, 2017
Iron-based sintered sliding member and production method therefor
HITACHI POWDERED METALS3 citations71
US6660056B2Dec 9, 2003
Valve seat for internal combustion engines
HITACHI POWDERED METALS10 citations71
US7294167B2Nov 13, 2007
Alloy powder for forming hard phase and ferriferous mixed powder using the same, and manufacturing method for wear resistant sintered alloy and wear resistant sintered alloy
HITACHI POWDERED METALS3 citations63
US7892481B2Feb 22, 2011
Manufacturing method for wear resistant sintered member, sintered valve seat, and manufacturing method therefor
HITACHI POWDERED METALS4 citations57
US9260772B2Feb 16, 2016
Hard phase forming alloy powder, wear resistant sintered alloy, and production method for wear resistant sintered alloy
HITACHI POWDERED METALS0 citations52
US7601196B2Oct 13, 2009
Alloy powder for forming hard phase and ferriferous mixed powder using the same, and manufacturing method for wear resistant sintered alloy and wear resistant sintered alloy
HITACHI POWDERED METALS1 citations52
US9340857B2May 17, 2016
Sintered alloy and production method therefor
HITACHI POWDERED METALS0 citations50
US10006111B2Jun 26, 2018
Sintered alloy and manufacturing method thereof
HITACHI POWDERED METALS0 citations39
HITACHI CHEMICAL CO LTD
9 patentsUS12060628B2Aug 13, 2024
Sintered valve guide and method for producing same
HITACHI CHEMICAL CO LTD0 citations60
US10150162B2Dec 11, 2018
Iron-based sintered alloy for sliding member and production method therefor
HITACHI CHEMICAL CO LTD0 citations51
US9631669B2Apr 25, 2017
Oil-impregnated sintered bearing and production method therefor
HITACHI CHEMICAL CO LTD1 citations51
US10131972B2Nov 20, 2018
Iron based sintered sliding member and method for producing same
HITACHI CHEMICAL CO LTD0 citations50
US10094009B2Oct 9, 2018
Sintered alloy and production method therefor
HITACHI CHEMICAL CO LTD0 citations50
US9982563B2May 29, 2018
Sintered alloy and manufacturing method thereof
HITACHI CHEMICAL CO LTD0 citations50
US9982562B2May 29, 2018
Sintered alloy and manufacturing method thereof
HITACHI CHEMICAL CO LTD0 citations50
US9744591B2Aug 29, 2017
Iron base sintered sliding member and method for producing same
HITACHI CHEMICAL CO LTD0 citations50
US9404535B2Aug 2, 2016
Sliding bearing assembly
HITACHI CHEMICAL CO LTD0 citations48
MITA INDUSTRIAL CO LTD
5 patentsUS5670287ASep 23, 1997
Magnetic carrier for electrophotographic developing agent and method of producing the same
MITA INDUSTRIAL CO LTD20 citations90
US5246809ASep 21, 1993
Carrier for a developing agent
MITA INDUSTRIAL CO LTD3 citations62
US5079124AJan 7, 1992
Carrier for developer
MITA INDUSTRIAL CO LTD6 citations62
US5085964AFeb 4, 1992
Carrier for developer
MITA INDUSTRIAL CO LTD6 citations60
US5514509AMay 7, 1996
Electrophotographic developer
MITA INDUSTRIAL CO LTD6 citations59
KYOCERA MITA CORP
3 patentsUS6130018AOct 10, 2000
Carrier for use in development of electrostatic latent image and image forming apparatus using the carrier
KYOCERA MITA CORP11 citations72
US7452648B2Nov 18, 2008
Magnetic mono-component toner for developing electrostatic latent image and image forming method
KYOCERA MITA CORP2 citations63
US7625685B2Dec 1, 2009
Magnetic mono-component toner for developing electrostatic latent image and image forming method
KYOCERA MITA CORP0 citations52
FUJITSUKA HIROKI
3 patentsUS9212572B2Dec 15, 2015
Sintered valve guide and production method therefor
FUJITSUKA HIROKI3 citations59
US8617288B2Dec 31, 2013
Sintered material for valve guides and production method therefor
FUJITSUKA HIROKI2 citations59
US8876935B2Nov 4, 2014
Sintered material for valve guides and production method therefor
FUJITSUKA HIROKI0 citations48