Notably, the number of energy storage-related patent applications in the power industry was 405 in Q2 2023, versus 652 in the prior quarter.

The top five companies accounted for 28% of patenting activity

Analysis of patenting activity by companies shows that Contemporary Amperex Technology filed the most energy storage patents within the power industry in Q2 2023. The company filed 65 energy storage-related patents in the quarter, compared with 158 in the previous quarter. It was followed by State Grid Corporation of China with 19 energy storage patent filings, Ningde Times New Energy Technology (19 filings), and Xi'an Thermal Power Research Institute (6 filings) in Q2 2023.

Patenting activity was driven by China with a 37% share of total patent filings

The largest share of energy storage related patent filings in the power industry in Q2 2023 was in China with 37%, followed by the US (30%) and Japan (5%). The share represented by China was 6% higher than the 31% share it accounted for in Q1 2023.

For further understanding of GlobalData's Energy Storage System (ESS) Market Size, Share, Trends, Analysis, and Segment Forecast to 2026 buy the report here.

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