Inventor · disambiguated record
Zenzo Ishijima
Also filed as: ISHIJIMA ZENZO
13 granted patents·10 pending applications·113 citations·filing 1995–2014
90Inventor score
Files withHITACHI POWDERED METALS9HITACHI CHEMICAL CO LTD6MURASUGI NARUTOSHI3HITACHI POWDERED METALS CO INC1HITACHI POWERED METALS CO LTD1
Top patents by PatentIndex Score
23 records- 0173US5545487AWear-resistant sintered aluminum alloy and method for producing the sameHITACHI POWDERED METALS·Filed 1995·Granted Aug 13, 1996·24 cites·8 claims
- 0270US5878323AProcess for producing split type mechanical partHONDA MOTOR CO LTD·Filed 1995·Granted Mar 2, 1999·23 cites·14 claims
- 0364US9601679B2Thermoelectric module and method of manufacturing the sameHITACHI CHEMICAL CO LTD·Filed 2014·Granted Mar 21, 2017·2 cites·4 claims
- 0461US6139975ASheet metal member, method of manufacturing same, and heat radiation plateHITACHI POWDERED METALS·Filed 1998·Granted Oct 31, 2000·27 cites·19 claims
- 0560US9492867B2Forming die assembly for microcomponentsMURASUGI NARUTOSHI·Filed 2011·Granted Nov 15, 2016·1 cites·2 claims
- 0660US9246076B2Thermoelectric conversion module and production method thereforHITACHI POWDERED METALS·Filed 2014·Granted Jan 26, 2016·1 cites·8 claims
- 0758US7666348B2Production method of electrode for cold cathode fluorescent lampHITACHI POWDERED METALS·Filed 2006·Granted Feb 23, 2010·1 cites·21 claims
- 0855US7264871B2Health promoting applianceHITACHI POWDERED METALS·Filed 2004·Granted Sep 4, 2007·1 cites·6 claims
- 0950US2016221078A1Aluminum-based porous body and method for manufacturing sameHITACHI CHEMICAL CO LTD·Filed 2014·Application pending·0 cites
- 1049US5905939AProcess for producing connecting rodHITACHI POWDERED METALS·Filed 1997·Granted May 18, 1999·13 cites·39 claims
- 1148US6172415B1Thin plate member for semiconductor package and manufacturing method thereforHITACHI POWDERED METALS CO INC·Filed 1998·Granted Jan 9, 2001·19 cites·10 claims
- 1248US2009291012A1Production method for sintered partHITACHI POWDERED METALS·Filed 2009·Application pending·0 cites
- 1345US2014102500A1Thermoelectric Device Assembly, Thermoelectric Module and its Manufacturing MethodHITACHI CHEMICAL CO LTD·Filed 2013·Application pending·0 cites
- 1444US2012160293A1Thermoelectric conversion module and production method thereforJINUSHI TAKAHIRO·Filed 2011·Application pending·0 cites
- 1543US7378053B2Method for producing copper-based material with low thermal expansion and high heat conductivityHITACHI POWERED METALS CO LTD·Filed 2004·Granted May 27, 2008·1 cites·6 claims
- 1643US2008010832A1Production method for sintered fluid dynamic pressure bearingHITACHI POWDERED METALS·Filed 2007·Application pending·0 cites
- 1743US2007212248A1Production method for fluid dynamic pressure sintered bearingHITACHI POWDERED METALS·Filed 2007·Application pending·0 cites
- 1842US8851872B2Forming die assembly for microcomponentsMURASUGI NARUTOSHI·Filed 2011·Granted Oct 7, 2014·0 cites·4 claims
- 1940US8850494B2Forming die assembly for microcomponentsMURASUGI NARUTOSHI·Filed 2011·Granted Sep 30, 2014·0 cites·4 claims
- 2039US2013061901A1Thermoelectric converting module and manufacturing method thereofTOHEI TOMOTAKE·Filed 2012·Application pending·0 cites
- 2134US2014311543A1Thermoelectric conversion generating deviceHITACHI CHEMICAL CO LTD·Filed 2014·Application pending·0 cites
- 2233US2015303365A1Thermoelectric conversion moduleHITACHI CHEMICAL CO LTD·Filed 2013·Application pending·0 cites
- 2333US2015280097A1Thermoelectric conversion generating deviceHITACHI CHEMICAL CO LTD·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →