KY

Koichi Yamamuro

NC Nhk Spring Co.: 2 patents #370 of 1,116Top 35%
📍 Hadano, JP: #439 of 1,025 inventorsTop 45%
Overall (All Time): #2,126,403 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7788768 Door closer — 2010-09-07
4371360 Locking mechanism in tension providing device Juji Ojima 1983-02-01