Inventor
CHEN JINPIN
CN3 patents
Patents
3 patentsUS12368014B2Jul 22, 2025
High-voltage DC relay
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD0 citations56
US12009172B2Jun 11, 2024
High-voltage DC relay with auxiliary contact
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD1 citations56
US12354819B2Jul 8, 2025
High-voltage DC relay
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD0 citations47