YH

Yuji Hiroto

EB Ebara: 1 patents #1,014 of 1,611Top 65%
Overall (All Time): #3,264,774 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8028715 Check valve for vacuum sewage pipe and vacuum sewage system Osamu Shimizu, Keisuke Ikeda, Fuyuki Ogaki 2011-10-04