Inventor

OHSUKA Ryuta

JP3 patents

Patents

3 patents

US12144122B2Nov 12, 2024

Method of manufacturing printed circuit board

SUMITOMO ELECTRIC INDUSTRIES2 citations67

US12371798B2Jul 29, 2025

Regenerating method of removal liquid and regenerated removal liquid preliminary

SUMITOMO ELECTRIC INDUSTRIES0 citations57

US11013124B2May 18, 2021

Printed circuit board and method of manufacturing printed circuit board

SUMITOMO ELECTRIC INDUSTRIES0 citations47