Inventor

YOKOYA HISAO

JP9 patents

Patents

9 patents

US6019170AFeb 1, 2000

Spacer for heat exchangers, element for heat exchangers, and heat exchanger

MITSUBISHI ELECTRIC CORP41 citations92

US5624610AApr 29, 1997

Humidifier

MITSUBISHI ELECTRIC CORP37 citations92

US7320361B2Jan 22, 2008

Heat exchanger

MITSUBISHI ELECTRIC CORP36 citations91

US4616695AOct 14, 1986

Heat exchanger

MITSUBISHI ELECTRIC CORP61 citations91

US5318731AJun 7, 1994

Humidifier

MITSUBISHI ELECTRIC CORP36 citations88

US4897026AJan 30, 1990

Separator manufacturing apparatus

MITSUBISHI ELECTRIC CORP17 citations81

US7299862B2Nov 27, 2007

Total heat exchanging element

MITSUBISHI ELECTRIC CORP9 citations73

US4963081AOct 16, 1990

Separator manufacturing apparatus

MITSUBISHI ELECTRIC CORP4 citations61

US4957423ASep 18, 1990

Separator manufacturing apparatus

MITSUBISHI ELECTRIC CORP3 citations61