HM

Hayami Mashimo

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,209,234 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6349679 Circularly-curved piston engine Saichi Ito 2002-02-26
6334423 Reciprocating piston engine and its link mechanism 2002-01-01