Inventor · disambiguated record
Yasushi Muranaka
Also filed as: MURANAKA YASUSHI
18 granted patents·7 pending applications·688 citations·filing 1981–2007
95Inventor score
Top patents by PatentIndex Score
25 records- 0196US6638662B2Lithium secondary battery having oxide particles embedded in particles of carbonaceous material as a negative electrode-active materialHITACHI LTD·Filed 2000·Granted Oct 28, 2003·101 cites·20 claims
- 0294US6030726ALithium secondary battery having negative electrode of carbon material which bears metalsHITACHI LTD·Filed 1997·Granted Feb 29, 2000·109 cites·15 claims
- 0394US5350643ASolid polymer electrolyte type fuel cellHITACHI LTD·Filed 1993·Granted Sep 27, 1994·126 cites·11 claims
- 0492US6524749B1Lithium secondary battery, and process for producing the sameHITACHI LTD·Filed 2000·Granted Feb 25, 2003·46 cites·7 claims
- 0591US6458488B1Positive electrode activator for lithium secondary battery and lithium secondary batteryHITACHI LTD·Filed 2000·Granted Oct 1, 2002·54 cites·6 claims
- 0684US5500292APolymer electrolyte hydrogen-oxygen fuel cell where the polymer electrolyte has a water repellency gradient and a catalytically active component concentration gradiem across oxygen electrodeHITACHI LTD·Filed 1994·Granted Mar 19, 1996·73 cites·10 claims
- 0777US5922491ASecondary batteryHITACHI LTD·Filed 1996·Granted Jul 13, 1999·63 cites·15 claims
- 0872US7083876B2Lead-acid batterySHIN KOBE ELECTRIC MACHINERY·Filed 2002·Granted Aug 1, 2006·25 cites·5 claims
- 0965US5531184AMethod for producing synthetic diamond thin film, the thin film and device using itHITACHI LTD·Filed 1993·Granted Jul 2, 1996·15 cites·11 claims
- 1063US6268086B1Non-aqueous secondary battery and a method of manufacturing graphite powderHITACHI LTD·Filed 1996·Granted Jul 31, 2001·18 cites·20 claims
- 1162US4456528AProcess for removing ash from coalHITACHI LTD·Filed 1981·Granted Jun 26, 1984·17 cites·11 claims
- 1258US2006228630A1Non-aqueous secondary battery having negative electrode including graphite powderHONBO HIDETOSHI·Filed 2006·Application pending·0 cites
- 1357US2007178344A1Electronic device using fuel cellsTANAKA AKIRA·Filed 2007·Application pending·0 cites
- 1456US6083645ASecondary battery using system and material for negative electrode of secondary batteryHITACHI LTD·Filed 1998·Granted Jul 4, 2000·24 cites·8 claims
- 1555US2005208377A1Non-aqueous secondary battery having negative electrode including graphite powderHONBO HIDETOSHI·Filed 2005·Application pending·0 cites
- 1649US7201989B2Electronic device using fuel cellsHITACHI LTD·Filed 2003·Granted Apr 10, 2007·0 cites·6 claims
- 1747US7416814B2Lithium secondary battery, and process for producing the sameHITACHI LTD·Filed 2002·Granted Aug 26, 2008·0 cites·17 claims
- 1846US6835215B2Non-aqueous secondary battery and a method of manufacturing graphite powderHITACHI LTD·Filed 2001·Granted Dec 28, 2004·0 cites·10 claims
- 1946US2004180264A1Lead-acid batteryFiled 2004·Application pending·0 cites
- 2046US2001049059A1Non-aqueous secondary battery having negative electrode including graphite powderFiled 2001·Application pending·0 cites
- 2144US6383467B1Non-aqueous secondary battery and a method of manufacturing graphite powderHITACHI LTD·Filed 1999·Granted May 7, 2002·10 cites·15 claims
- 2243US7273681B2Non-aqueous secondary battery having negative electrode including graphite powderHITACHI LTD·Filed 2004·Granted Sep 25, 2007·0 cites·12 claims
- 2342US2003235760A1Lead-acid storage battery, carbon material and process of manufacturing the carbon materialHITACHI LTD·Filed 2003·Application pending·0 cites
- 2439US5192393AMethod for growing thin film by beam deposition and apparatus for practicing the sameHITACHI LTD·Filed 1990·Granted Mar 9, 1993·7 cites·22 claims
- 2535US2001020927A1Secondary cell using systemFiled 2001·Application pending·0 cites
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