SN

Seiichi Nakamura

CC Citizen Watch Co.: 1 patents #8 of 40Top 20%
Overall (1982): #31,710 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4330878 Sound producing device for watches 1982-05-18