TH

Tatsuya HAMACHI

IC Idemitsu Kosan Co.: 1 patents #52 of 151Top 35%
Overall (2021): #243,205 of 548,734Top 45%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11149227 Lubricating oil composition, lubricating method, and transmission — 2021-10-19