TH

Tatsuya HAMACHI

IC Idemitsu Kosan Co.: 2 patents #27 of 126Top 25%
Overall (2020): #116,663 of 565,922Top 25%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10844311 Lubricating oil composition, lubricating method, and transmission — 2020-11-24
10815445 Lubricating oil composition, lubricating method, and transmission — 2020-10-27