Masanori Sakai

JC Johnan Seisakusho Co.: 1 patents #1 of 1Top 100%

📍 Osaka, CA: #17 of 26 inventorsTop 70%

Overall (1989): #79,073 of 140,708Top 60%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4839544	Apparatus for driving a curtain	—	1989-06-13