KA

Kayoko Aoyama

IC Idemitsu Kosan Co.: 2 patents #509 of 1,237Top 45%
Overall (All Time): #1,865,430 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10889779 Transmission lubricating oil composition — 2021-01-12
10815447 Electric vehicle or hybrid vehicle lubricating oil composition — 2020-10-27