CO

Chozo Okada

📍 Rifu, JP: #21 of 97 inventorsTop 25%
Overall (1989): #125,839 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4859094 Braille printing plate 1989-08-22