ET

Etsuo Tamegai

NC Nippon Piston Ring Co.: 1 patents #120 of 208Top 60%
Overall (All Time): #3,746,424 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5531195 Piston ring Motonobu Onoda, Takeshi Tsuchiya, Katsuaki Ogawa, Makoto Murata 1996-07-02