Inventor
FUJIMORI KANJI
JP2 patents
Patents
2 patentsUS5122175AJun 16, 1992
Method of and apparatus for producing superpure nitrogen
HITACHI LTD11 citations71
US6832736B2Dec 21, 2004
Processing method of disposals and collecting method of foaming gas from foaming heat-insulator material thereof, and disposal processing apparatus and collecting apparatus thereof
HITACHI LTD5 citations56