Takahiro Hirai

HC Hitachi Koki Co.: 1 patents #29 of 79Top 40%

📍 Ibaraki, JP: #252 of 712 inventorsTop 40%

Overall (2017): #226,615 of 506,227Top 45%

Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9644618	Portable working machine	—	2017-05-09