NK

Nobuchika Kawagoishi

TK Tonengeneral Sekiyu K.K.: 2 patents #5 of 32Top 20%
📍 Ugo, JP: #76 of 203 inventorsTop 40%
Overall (All Time): #2,175,288 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7148186 Lubricant oil composition for diesel engines (LAW964) Toshiaki Kuribayashi, Satoshi Ogano 2006-12-12
6638897 Lubricant oil composition for internal combustion engines (law859) Satoshi Ogano, Makota Yoneda, Toshiaki Kuribayashi 2003-10-28