CO

Chozo Okada

📍 Rifu, JP: #1,001 of 2,101 inventorsTop 50%
Overall (All Time): #2,332,658 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4859094 Braille printing plate 1989-08-22
4573926 Braille print board 1986-03-04