Masaaki Matsumoto

KC Koyo Seiko Co.: 1 patents #4 of 41Top 10%

📍 Shimabara, JP: #6 of 14 inventorsTop 45%

Overall (1989): #80,112 of 140,708Top 60%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4883371	Bearing system for a wheel	—	1989-11-28