RT

Ryuzo Tanaka

CC Citizen Watch Co.: 1 patents #8 of 40Top 20%
📍 Nishitokyo, JP: #3 of 14 inventorsTop 25%
Overall (1982): #32,328 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4326281 Mounting structure of plastic glass in watch case Hisao Ishigaki 1982-04-20