Inventor · disambiguated record
Keizo Ohnishi
Also filed as: OHNISHI KEIZO
9 granted patents·1 pending application·143 citations·filing 1979–2006
89Inventor score
Top patents by PatentIndex Score
10 records- 0176US4224360AMethod of welding for exfoliation prevention of stainless steel weld-overlayJAPAN STEEL WORKS INC·Filed 1979·Granted Sep 23, 1980·29 cites·5 claims
- 0269US6688107B2Gas turbine combustion deviceMITSUBISHI HEAVY IND LTD·Filed 2001·Granted Feb 10, 2004·14 cites·6 claims
- 0363US6907736B2Gas turbine combustor having an acoustic energy absorbing wallMITSUBISHI HEAVY IND LTD·Filed 2001·Granted Jun 21, 2005·24 cites·11 claims
- 0462US4381940ALow alloy heat-resisting steel for high temperature useJAPAN STEEL WORKS LTD·Filed 1980·Granted May 3, 1983·15 cites·2 claims
- 0561US7613307B2Active sound reduction apparatus and active noise insulation wall having sameMITSUBISHI HEAVY IND LTD·Filed 2006·Granted Nov 3, 2009·3 cites·12 claims
- 0657US6094150ASystem and method of measuring noise of mobile body using a plurality microphonesMITSUBISHI HEAVY IND LTD·Filed 1998·Granted Jul 25, 2000·24 cites·3 claims
- 0752US6041125AActive acoustic wallMITSUBISHI HEAVY IND LTD·Filed 1996·Granted Mar 21, 2000·21 cites·32 claims
- 0850US4631170ACalcium-nickel-misch metal-aluminum quaternary alloy for hydrogen storageJAPAN STEEL WORKS LTD·Filed 1985·Granted Dec 23, 1986·8 cites·2 claims
- 0940US7013647B2Outer casing covering gas turbine combustorMITSUBISHI HEAVY IND LTD·Filed 2001·Granted Mar 21, 2006·5 cites·13 claims
- 1038US2001046303A1Active sound reduction apparatus and active noise insulation wall having sameFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →