Inventor
HIRANO KEIJI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “HIRANO KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
4 patentsUS6992050B2Jan 31, 2006
Stripping agent composition and method of stripping
NEC CORP17 citations80
US5759402AJun 2, 1998
Methods for the remediation of polluted soils
NEC CORP2 citations60
US6652759B2Nov 25, 2003
Method of treating waste water and apparatus for treating waste water using the method
NEC CORP3 citations59
US5858267AJan 12, 1999
Method for treating chlorinated organic compound
NEC CORP0 citations49