KY

Kyouichi Yamaguchi

Overall (All Time): #2,271,989 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5651830 Method for cleaning surface of external wall of building — 1997-07-29
5505787 Method for cleaning surface of external wall of building — 1996-04-09