In 2024, *** successfully registered ** patents for environmental technology in Japan, which was the highest number of such registrations by an individual company during that year. The company was followed by Kurita Water Industries Ltd., which registered ** registered greentech patents.
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Japan Patent Office. (July 31, 2025). Leading companies based on the number of environmental technology patent registrations at the Japan Patent Office in 2024 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved August 01, 2026, from /statistics/1328447/japan-leading-companies-number-greentech-patent-registrations/
Japan Patent Office. "Leading companies based on the number of environmental technology patent registrations at the Japan Patent Office in 2024." Chart. July 31, 2025. ÌÇÐÄÆÆ½â°æ. Accessed August 01, 2026. /statistics/1328447/japan-leading-companies-number-greentech-patent-registrations/
Japan Patent Office. (2025). Leading companies based on the number of environmental technology patent registrations at the Japan Patent Office in 2024. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: August 01, 2026. /statistics/1328447/japan-leading-companies-number-greentech-patent-registrations/
Japan Patent Office. "Leading Companies Based on The Number of Environmental Technology Patent Registrations at The Japan Patent Office in 2024." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 31 Jul 2025, /statistics/1328447/japan-leading-companies-number-greentech-patent-registrations/
Japan Patent Office, Leading companies based on the number of environmental technology patent registrations at the Japan Patent Office in 2024 ÌÇÐÄÆÆ½â°æ, /statistics/1328447/japan-leading-companies-number-greentech-patent-registrations/ (last visited August 01, 2026)
Leading companies based on the number of environmental technology patent registrations at the Japan Patent Office in 2024 [Graph], Japan Patent Office, July 31, 2025. [Online]. Available: /statistics/1328447/japan-leading-companies-number-greentech-patent-registrations/