Inventor

KATAGIRI KUNIO

JP3 patents

Patents

3 patents

US4595059AJun 17, 1986

Method of providing a conductor pipe to an opening portion of a well

JAPAN METALS & CHEM CO LTD36 citations85

US4657076AApr 14, 1987

Chemical injection tube mounting structure for geothermal well

JAPAN METALS & CHEM CO LTD20 citations77

US4625797ADec 2, 1986

Chemical injection tube mounting structure for a geothermal well

JAPAN METALS & CHEM CO LTD12 citations67