HM

Hidezo Matsumoto

EC Eco Japan Co.: 2 patents #4 of 4Top 100%
Overall (All Time): #2,284,957 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5433882 Ceramic-based detergent composition containing sodium and potassium oxides — 1995-07-18
5393446 Process for preparing detergent composition containing sodium and potassium oxides — 1995-02-28