Inventor

ETOU ISAMU

JP4 patents

Patents

4 patents

US4842499AJun 27, 1989

Scroll-type positive displacement apparatus with oil supply to compression chamber

MITSUBISHI ELECTRIC CORP48 citations95

US4865530ASep 12, 1989

Scroll-type vacuum apparatus with oil supply to a compression chamber

MITSUBISHI ELECTRIC CORP24 citations91

US4846640AJul 11, 1989

Scroll-type vacuum apparatus with rotating scrolls and discharge valve

MITSUBISHI ELECTRIC CORP28 citations91

US4973232ANov 27, 1990

Rotating scroll machine with oil pump

MITSUBISHI ELECTRIC CORP7 citations71