DH

Daisuke Hoshizawa

EC Engineering System Co.: 1 patents #3 of 9Top 35%
Overall (All Time): #3,078,878 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9182627 Liquid-discharging device with observation optical system 2015-11-10