RM

Ryuji Maruyama

Shell Oil Compny: 4 patents #1 of 193Top 1%
Overall (2021): #41,191 of 548,734Top 8%
4
Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11198832 Lubricating oil composition Noriaki Shinoda, Katsuji Okami 2021-12-14
11162046 Lubricating oil composition for automatic transmission Genki Kamei, Shinji Saitou, Shouhei HARADA 2021-11-02
11130926 Lubricating oil composition for automatic transmissions Genki Kamei 2021-09-28
11111455 Lubricating oil composition for automatic transmissions Genki Kamei 2021-09-07