Inventor

NEGISHI YUMA

JP4 patents

Patents

4 patents

US11691885B2Jul 4, 2023

Hydrophobic silica powder

FUSO CHEMICAL CO LTD6 citations77

US12286356B2Apr 29, 2025

Colloidal silica and method for producing same

FUSO CHEMICAL CO LTD0 citations56

US12325639B2Jun 10, 2025

Colloidal silica and production method therefor

FUSO CHEMICAL CO LTD1 citations55

US12306578B2May 20, 2025

Hydrophobic silica powder and toner resin particle

FUSO CHEMICAL CO LTD0 citations49