Inventor · disambiguated record
Chio Ishihara
Also filed as: ISHIHARA CHIO
25 granted patents·12 pending applications·166 citations·filing 1997–2022
95Inventor score
Files withHITACHI IND EQUIPMENT SYS8ENOMOTO YUJI5HITACHI CHEMICAL CO LTD5HITACHI POWDERED METALS3DENSO CORP2
Top patents by PatentIndex Score
37 records- 0191US7649298B2Claw teeth type electric rotary machine and manufacturing method for statorsHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Jan 19, 2010·21 cites·13 claims
- 0288US7714475B2Multiple phase claw pole type motorHITACHI IND EQUIPMENT SYS·Filed 2006·Granted May 11, 2010·13 cites·12 claims
- 0386US7626301B2Electric rotating machine having permanent magnets and method of manufacturing teeth portions of the stator iron coreJAPAN SERVO·Filed 2005·Granted Dec 1, 2009·12 cites·7 claims
- 0486US6054219AProcess for forming insulating layers on soft magnetic powder composite core from magnetic particlesHITACHI LTD·Filed 1997·Granted Apr 25, 2000·40 cites·10 claims
- 0584US11732124B2Compound and tabletHITACHI CHEMICAL CO LTD·Filed 2017·Granted Aug 22, 2023·1 cites·15 claims
- 0682US9646756B2Powder magnetic core and method for producing the sameINAGAKI TAKASHI·Filed 2011·Granted May 9, 2017·5 cites·12 claims
- 0777US10074468B2Powder magnetic core for reactorHITACHI CHEMICAL CO LTD·Filed 2014·Granted Sep 11, 2018·3 cites·5 claims
- 0877US7714466B2Claw-teeth-type rotating electrical machineHITACHI IND EQUIPMENT SYS·Filed 2007·Granted May 11, 2010·8 cites·7 claims
- 0975US7791244B2Multiphase claw-pole type electric rotary machine, cogging torque adjustment system of the same, generator system, and motor systemHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Sep 7, 2010·7 cites·18 claims
- 1074US7592734B2Three-phase permanent magnet brushless motorHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Sep 22, 2009·7 cites·4 claims
- 1172US8445105B2Iron-based soft magnetic powder for dust core, method for production thereof, and dust coreMITANI HIROYUKI·Filed 2007·Granted May 21, 2013·4 cites·18 claims
- 1271US8236087B2Powder core and iron-base powder for powder coreMITANI HIROYUKI·Filed 2007·Granted Aug 7, 2012·4 cites·8 claims
- 1369US7273527B2Production method for powdered coreDENSO CORP·Filed 2006·Granted Sep 25, 2007·4 cites·4 claims
- 1466US7605517B2Claw pole rotating electric machineHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Oct 20, 2009·4 cites·7 claims
- 1565US8029626B2Method for producing soft magnetic powdered coreHITACHI POWDERED METALS·Filed 2008·Granted Oct 4, 2011·2 cites·4 claims
- 1665US6344273B1Treatment solution for forming insulating layers on magnetic particles process for forming the insulating layers, and electric device with a soft magnetic powder composite coreHITACHI LTD·Filed 1999·Granted Feb 5, 2002·16 cites·28 claims
- 1763US7795774B2Multiple phase claw pole type motorHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Sep 14, 2010·2 cites·5 claims
- 1862US8398879B2Soft magnetic powdered core and method for producing sameMURAMATSU KOHEI·Filed 2010·Granted Mar 19, 2013·2 cites·7 claims
- 1958US9859044B2Powder magnetic core and reactor using the sameHITACHI CHEMICAL CO LTD·Filed 2015·Granted Jan 2, 2018·0 cites·8 claims
- 2057US12053820B2Dust core compound, molded body, and dust coreSHOWA DENKO MATERIALS CO LTD·Filed 2021·Granted Aug 6, 2024·0 cites·25 claims
- 2154US7211158B2Production method for powdered coreDENSO CORP·Filed 2003·Granted May 1, 2007·4 cites·7 claims
- 2253US2024177897A1Magnetic powder, compound, molded body, bonded magnet, and powder magnetic coreRESONAC CORP·Filed 2022·Application pending·0 cites
- 2352US8062583B2Method for producing soft magnetic powdered coreISHIHARA CHIO·Filed 2008·Granted Nov 22, 2011·2 cites·3 claims
- 2451US9754710B2Powder magnetic core, method of manufacturing powder compact for magnetic core, die and die assembly for manufacturing powder magnetic core, and die lubricating composition for manufacturing powder magnetic coreHITACHI CHEMICAL CO LTD·Filed 2014·Granted Sep 5, 2017·0 cites·17 claims
- 2550US2008267807A1Core rod for forming a cylindrical green compact, apparatus for forming a cylindrical green compact, and method for forming a cylindrical green compactKOBAYASHI KINYA·Filed 2008·Application pending·0 cites
- 2648US2008067889A1Multiple phase claw pole type motorENOMOTO YUJI·Filed 2007·Application pending·0 cites
- 2747US2008038122A1Electric axial flow pumpKIKUCHI SATOSHI·Filed 2007·Application pending·0 cites
- 2846US7470332B2Production method for soft magnetic sintered memberHITACHI POWDERED METALS·Filed 2005·Granted Dec 30, 2008·0 cites·6 claims
- 2945US2020391287A1Compound powderHITACHI CHEMICAL CO LTD·Filed 2018·Application pending·0 cites
- 3043USD572660SClaw teeth motor coreHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Jul 8, 2008·5 cites·1 claims
- 3142US2007152522A1Rotating Electrical Machine with a Transmission and a Driving Apparatus Using the SameENOMOTO YUJI·Filed 2007·Application pending·0 cites
- 3242US2007145854A1MotorENOMOTO YUJI·Filed 2006·Application pending·0 cites
- 3340US2006066159A1Fluid-passage built-in type electric rotating machineENOMOTO YUJI·Filed 2005·Application pending·0 cites
- 3440US2005002818A1Production method for sintered metal-ceramic layered compact and production method for thermal stress relief padHITACHI POWDERED METALS·Filed 2004·Application pending·0 cites
- 3540US2006208601A1Three phase claw pole type motorENOMOTO YUJI·Filed 2005·Application pending·0 cites
- 3632US2013056674A1Powder magnetic core and process for production thereofINAGAKI TAKASHI·Filed 2011·Application pending·0 cites
- 3729US2008018194A1Claw-pole type singel-phase motor, claw-pole type single-phase motor system and electric pump, electric fan and vehicle provided with claw-pole type single-phase motorKAKUGAWA SHIGERU·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Chio Ishihara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →