TU

Toshimasa Utaka

IC Idemitsu Kosan Co.: 1 patents #58 of 135Top 45%
Overall (2018): #206,785 of 503,207Top 45%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9938482 Lubricating oil composition for internal combustion engine — 2018-04-10