JK

Jiro Kamezawa

TC Tomoe Technical Research Company: 2 patents #1 of 18Top 6%
Overall (All Time): #2,275,670 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5490660 Manual device for valve — 1996-02-13
5482252 Seat ring and butterfly valve fitting this seat ring thereto — 1996-01-09