YK

Yoshiaki Katsuno

NC Nippon Seiko Co.: 1 patents #18 of 67Top 30%
Overall (1989): #40,996 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4838712 Ball bearing and the retainer thereof Mutsuo Kubo 1989-06-13