HO

Hirofumi Ohnari

Overall (All Time): #1,573,282 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7472893 Swirling type micro-bubble generating system — 2009-01-06
7261283 Swing type fine air bubble generating device — 2007-08-28
6382601 Swirling fine-bubble generator — 2002-05-07