As of 2022, the Chinese electricity corporation State Grid owned green and low-carbon patents, which was the highest number among Chinese institutions. In an international comparison, the State Grid was superseded by Toyota, LG, Samsung, and Mitsubishi.
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State Intellectual Property Office (China). (May 17, 2023). Number of registered green and low-carbon patents owned by leading Chinese institutions in 2022 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 05, 2026, from /statistics/1464871/china-number-of-registered-green-and-low-carbon-patents-by-institution/
State Intellectual Property Office (China). "Number of registered green and low-carbon patents owned by leading Chinese institutions in 2022." Chart. May 17, 2023. ÌÇÐÄÆƽâ°æ. Accessed August 05, 2026. /statistics/1464871/china-number-of-registered-green-and-low-carbon-patents-by-institution/
State Intellectual Property Office (China). (2023). Number of registered green and low-carbon patents owned by leading Chinese institutions in 2022. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 05, 2026. /statistics/1464871/china-number-of-registered-green-and-low-carbon-patents-by-institution/
State Intellectual Property Office (China). "Number of Registered Green and Low-carbon Patents Owned by Leading Chinese Institutions in 2022." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 17 May 2023, /statistics/1464871/china-number-of-registered-green-and-low-carbon-patents-by-institution/
State Intellectual Property Office (China), Number of registered green and low-carbon patents owned by leading Chinese institutions in 2022 ÌÇÐÄÆƽâ°æ, /statistics/1464871/china-number-of-registered-green-and-low-carbon-patents-by-institution/ (last visited August 05, 2026)
Number of registered green and low-carbon patents owned by leading Chinese institutions in 2022 [Graph], State Intellectual Property Office (China), May 17, 2023. [Online]. Available: /statistics/1464871/china-number-of-registered-green-and-low-carbon-patents-by-institution/
