HY

Hiromichi Yokokawa

NC Nippon Piston Ring Co.: 1 patents #120 of 208Top 60%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Overall (All Time): #2,867,280 of 4,157,543Top 70%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10344860 Highly heat conductive piston ring for internal combustion engine Tsugane Hirase, Kazuhiro Fujimura, Junpei Ogawa, Takaaki Kondo, Tomonori Miyazawa +2 more 2019-07-09