JY

Junichi Yamanaka

IN Inax: 3 patents #1 of 17Top 6%
Overall (1994): #11,712 of 165,921Top 8%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5297577 Culvert of vacuum sewerage — 1994-03-29
5291917 Housing for a vacuum valve unit — 1994-03-08
5280872 Vacuum valve for a sewage collection system — 1994-01-25