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IP News index

Japan Filed Largest Number of Patent Applications for Battery Technology in the World

On September 22, 2020, European Patent Office and International Energy Agency published “EPO-IEA Battery Study,” which is their joint survey on battery technology. The study shows that Japan accounted for more than one third of the all patent applications for battery technology in 2018 and was ranked by far the best in the world.
7 out of 10 top applicant companies are based in Japan. Specifically, filing 4,787 applications, Panasonic was the top in Japan and the second in the world, and fourth-ranked Toyota Motor filed 2,564 and sixth-ranked Hitachi filed 1,208. First place was Samsung Electronics and the third was LG Electronics.
According to the study, the number of patent applications for batteries and other electricity storage technology keeps significant growth. From 2005 to 2018, an average annual growth rate was 14% which is four times greater than the average of all technology fields.

https://eetimes.jp/ee/articles/2009/23/news078.html













































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