Inventor

YAMASHITA NAOHIKO

JP7 patents

⚠️ This page may combine multiple inventors who share the name “YAMASHITA NAOHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AIR LIQUIDE

5 patents

US6197090B1Mar 6, 2001

Method and apparatus for recovering a gas from a gas mixture

AIR LIQUIDE36 citations92

US6387157B1May 14, 2002

Mixed gas concentration regulating method and concentration regulating apparatus

AIR LIQUIDE17 citations82

US6050106AApr 18, 2000

Ultra high purity nitrogen and oxygen generator unit

AIR LIQUIDE8 citations73

US5373699ADec 20, 1994

Process for the production of nitrogen by cryogenic distillation of atmospheric air

AIR LIQUIDE11 citations72

US5325674AJul 5, 1994

Process for the production of nitrogen by cryogenic distillation of atmospheric air

AIR LIQUIDE8 citations72

TEISAN KK

1 patent

US5220798AJun 22, 1993

Air separating method using external cold source

TEISAN KK23 citations91

AIR LIQUIDE JAPAN LTD

1 patent

US6123909ASep 26, 2000

Method and apparatus for purification of argon

AIR LIQUIDE JAPAN LTD33 citations90