TH

Tatsuya HAMACHI

IC Idemitsu Kosan Co.: 4 patents #327 of 1,237Top 30%
Overall (All Time): #1,140,372 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11279898 Lubricating oil composition for shock absorber Shuichi Sakanoue 2022-03-22
11149227 Lubricating oil composition, lubricating method, and transmission 2021-10-19
10844311 Lubricating oil composition, lubricating method, and transmission 2020-11-24
10815445 Lubricating oil composition, lubricating method, and transmission 2020-10-27