HN

Hajime Niwa

AC Aoi Chemical: 1 patents #1 of 8Top 15%
Overall (All Time): #3,995,149 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4587070 Method for manufacture of waterproof fibrous plate Katsumi Hironaka 1986-05-06