OS

Ofuyu Sakai

NC Nippon Piston Ring Co.: 1 patents #1 of 15Top 7%
Overall (2023): #306,123 of 537,848Top 60%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11739840 Piston ring Kyoichi Ikeya, Makoto Kajiwara 2023-08-29