KA

Kayoko Aoyama

IC Idemitsu Kosan Co.: 1 patents #52 of 126Top 45%
Overall (2020): #399,496 of 565,922Top 75%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10815447 Electric vehicle or hybrid vehicle lubricating oil composition 2020-10-27