SY

Sougawa Yasunori

TK Tonengeneral Sekiyu K.K.: 1 patents #6 of 32Top 20%
Overall (All Time): #3,601,046 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6323162 Lubricant oil composition for internal combustion engines (LAW960) Katsuya Arai 2001-11-27