Inventor
MIKAMI YASUIE
JP6 patents
⚠️ This page may combine multiple inventors who share the name “MIKAMI YASUIE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NITTETSU MINING CO LTD
4 patentsUS6337061B1Jan 8, 2002
Method for reclaiming metal sulfate-containing waste sulfuric acid
NITTETSU MINING CO LTD21 citations88
US5489423AFeb 6, 1996
Process for recovering sulfuric acid from metallic sulfate-containing exhaust sulfuric acid
NITTETSU MINING CO LTD6 citations58
US5393387AFeb 28, 1995
Method for treating etchant
NITTETSU MINING CO LTD3 citations56
US5531906AJul 2, 1996
Process for treatment of sodium hydroxide waste liquor containing aluminum
NITTETSU MINING CO LTD6 citations55