SN

Shigesaburo Nakagawa

NA Nakagawa: 1 patents #1 of 1Top 100%
Overall (1982): #7,777 of 81,411Top 10%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4348861 Jewelry chains by electro-forming 1982-09-14
4329765 Method for manufacturing a spring ring to be electroplated 1982-05-18