MT

Masahiro Tsukamoto

NC Nippon Seiko Co.: 1 patents #18 of 67Top 30%
Overall (1989): #78,315 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4834313 Emergency locking retractor — 1989-05-30