MY

Michihiro Yokoyama

Overall (1989): #8,261 of 140,708Top 6%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4839952 Process for manufacturing toothed parts — 1989-06-20
4800745 Spur gear automatic production process — 1989-01-31
4797986 Spur gear manufacturing process — 1989-01-17