KK

Kouji Kunitake

NC Nippon Piston Ring Co.: 1 patents #120 of 208Top 60%
NC Nittan Valve Co.: 1 patents #49 of 98Top 50%
Overall (All Time): #2,857,242 of 4,157,543Top 70%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10287933 Assembly of internal combustion engine valve and valve seat Satoshi IKEMI, Hiroshi Oshige, Kiyoshi Suwa, Kenichi Sato, Ryouichi Yoshino 2019-05-14