YS

Yasuhiro Saitoh

NC Nihon Genryo Co.: 2 patents #2 of 2Top 100%
Overall (All Time): #2,213,336 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6382221 Particulate matter washing method 2002-05-07
6273106 Particulate matter washing apparatus and method 2001-08-14