KO

Katsuhiko Okano

RY Ryobi: 1 patents #16 of 45Top 40%
Overall (1989): #90,003 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4825503 Braking apparatus for door closer Miyoshi Shiramasa 1989-05-02