SI

Shigetoshi Ishida

HC Hitachi Koki Co.: 3 patents #6 of 79Top 8%
Overall (2017): #60,069 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9816431 Stratified scavenging two-cycle engine 2017-11-14
9759176 Engine and engine-operated working machine Akira Mezaki 2017-09-12
9670837 Engine-powered work tool provided with wind governor that performs ignition control Hiroshi Honzawa 2017-06-06