Inventor · disambiguated record
Hisao Yokoya
Also filed as: YOKOYA HISAO
9 granted patents·1 pending application·244 citations·filing 1985–2007
90Inventor score
Top patents by PatentIndex Score
10 records- 0195US7320361B2Heat exchangerMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Jan 22, 2008·36 cites·8 claims
- 0285US4616695AHeat exchangerMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Oct 14, 1986·61 cites·13 claims
- 0371US6019170ASpacer for heat exchangers, element for heat exchangers, and heat exchangerMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Feb 1, 2000·41 cites·34 claims
- 0470US5624610AHumidifierMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Apr 29, 1997·37 cites·18 claims
- 0568US7299862B2Total heat exchanging elementMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Nov 27, 2007·9 cites·3 claims
- 0664US5318731AHumidifierMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Jun 7, 1994·36 cites·7 claims
- 0762US4897026ASeparator manufacturing apparatusMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Jan 30, 1990·17 cites·10 claims
- 0860US2008047699A1Total heat exchanging elementMITSUBISHI PAPER MILLS LTD·Filed 2007·Application pending·0 cites
- 0935US4963081ASeparator manufacturing apparatusMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Oct 16, 1990·4 cites·8 claims
- 1032US4957423ASeparator manufacturing apparatusMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Sep 18, 1990·3 cites·15 claims
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