RN

Ribun Nakazawa

TC Teikoku Piston Ring Co.: 2 patents #23 of 95Top 25%
Overall (All Time): #2,313,601 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5070343 Printing head for resistive ribbon type printing apparatus — 1991-12-03
4983992 Printing head for resistive ribbon type printing apparatus — 1991-01-08