AS

Ayumu Sakaguchi

SI Sanyo Chemical Industries: 3 patents #83 of 607Top 15%
Overall (All Time): #1,433,453 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11008528 Viscosity index improver and lubricating oil composition Hiroki Hagihara, Hiroki Hashimoto 2021-05-18
10336961 Viscosity index improver, lubricant composition, and method for manufacturing lubricant composition Shigekuni Nakada, Satoshi Matsumoto, Kenyuu Yoshida 2019-07-02
9683195 Viscosity index improver and lubricating oil composition Shigekuni Nakada, Takenori Tatsumi, Hiroki Yamashita 2017-06-20