Inventor
NIWA KIYONOBU
JP8 patents
⚠️ This page may combine multiple inventors who share the name “NIWA KIYONOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NITTO CHEMICAL INDUSTRY CO LTD
3 patentsUS5068442ANov 26, 1991
Method for maintaining the activity of zeolite catalysts
NITTO CHEMICAL INDUSTRY CO LTD8 citations68
US5773659AJun 30, 1998
Process for producing dimethylamine
NITTO CHEMICAL INDUSTRY CO LTD2 citations60
US5688854ANov 18, 1997
Production of methylamines
NITTO CHEMICAL INDUSTRY CO LTD5 citations58
MITSUBISHI RAYON CO
3 patentsUS6906215B1Jun 14, 2005
Powdery s,s-ethylenediamine-n,n′-disuccinic acid iron complex and process for producing the same
MITSUBISHI RAYON CO2 citations58
US6495716B2Dec 17, 2002
[S,S]-ethylenediamine-N,N′-disuccinic acid crystal with high bulk density and process for obtaining the same
MITSUBISHI RAYON CO0 citations49
US6414189B1Jul 2, 2002
Crystals of [S,S]-ethylenediamine-N,N′-disuccinic acid with high bulk density and method of obtaining the same
MITSUBISHI RAYON CO1 citations49