About 2 Trademarks found that are owned by Chen Tianfen

Battery chargers for laptop computers; Battery chargers for tablet computers; Battery packs for video cameras, laptops; Chargers for batteries; Computer peripheral equipment; Dry cells and batteries; Electric batteries; Electrical cells and batteries; Power adapters

Camera hardware systems for IP (Internet protocol) video surveillance; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Electronic video surveillance products, namely, electronic components of security systems; Security cameras; Security surveillance robots