In 2021, Shin-Etsu Chemical successfully registered *** macromolecular chemistry and polymers patents in Japan, which was the highest number of such registrations by an individual company during that year. The company was followed by LG Chem with ***, and Mitsubishi Chemical with *** patent registrations.
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Japan Patent Office. (July 27, 2022). Leading companies based on the number of macromolecular chemistry and polymers patent registrations at the Japan Patent Office in 2021 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 05, 2026, from /statistics/1328445/japan-leading-companies-number-macromolecular-chemistry-patent-registrations/
Japan Patent Office. "Leading companies based on the number of macromolecular chemistry and polymers patent registrations at the Japan Patent Office in 2021." Chart. July 27, 2022. ÌÇÐÄÆƽâ°æ. Accessed August 05, 2026. /statistics/1328445/japan-leading-companies-number-macromolecular-chemistry-patent-registrations/
Japan Patent Office. (2022). Leading companies based on the number of macromolecular chemistry and polymers patent registrations at the Japan Patent Office in 2021. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 05, 2026. /statistics/1328445/japan-leading-companies-number-macromolecular-chemistry-patent-registrations/
Japan Patent Office. "Leading Companies Based on The Number of Macromolecular Chemistry and Polymers Patent Registrations at The Japan Patent Office in 2021." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 27 Jul 2022, /statistics/1328445/japan-leading-companies-number-macromolecular-chemistry-patent-registrations/
Japan Patent Office, Leading companies based on the number of macromolecular chemistry and polymers patent registrations at the Japan Patent Office in 2021 ÌÇÐÄÆƽâ°æ, /statistics/1328445/japan-leading-companies-number-macromolecular-chemistry-patent-registrations/ (last visited August 05, 2026)
Leading companies based on the number of macromolecular chemistry and polymers patent registrations at the Japan Patent Office in 2021 [Graph], Japan Patent Office, July 27, 2022. [Online]. Available: /statistics/1328445/japan-leading-companies-number-macromolecular-chemistry-patent-registrations/
