Ryohei Murakami

Sumitomo Electric Industries: 1 patents #327 of 1,127Top 30%

📍 Habikino, JP: #3 of 11 inventorsTop 30%

Overall (1989): #59,786 of 140,708Top 45%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4869015	Electric shock insect repeller	Jiro Oka	1989-09-26