Core Insights - The report indicates that China's marine equipment industry holds over 54.4% of the global effective patent volume, with approximately 166,000 valid patents out of a total of 306,400 worldwide [1] Group 1: Patent Distribution - The effective patent volume in the global marine equipment industry is 306,400, with China leading at 166,000 patents [1] - Following China, South Korea, the United States, and Japan rank second, third, and fourth respectively in terms of effective patent volume [1] Group 2: Patent Strength and Growth - The effective patent reserves reflect a country's strength in the marine equipment sector, aligning with the current competitive landscape of the global marine equipment industry [1] - Over the past decade, China's patent growth has contributed to an overall increase in both patent applications and grants in the global marine equipment industry [1] Group 3: Key Areas of Patent Concentration - China's effective patents are primarily concentrated in specialized ship design, floating platform design, underwater operation vehicles, and associated equipment, as well as external structural components for ships [1]