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48.6% of global patent applications related to all-solid-state batteries came from Japanese companies; Panasonic top list


Yomiuri Shimbun file photo
The Japan Patent Office

Japanese companies accounted for 48.6% of global patent applications related to all-solid-state batteries, according to the Japan Patent Office. The technology is expected to dramatically increase the range of electric vehicles.

The patent office’s analysis of applications filed by companies and individuals in multiple countries and regions shows that Japan was well represented in applications for cutting-edge technology. Japan ranks third among all countries and regions in applications for quantum computing-related technologies.

All-solid-state batteries, which have higher capacity and are easier to compact, are considered next-generation batteries.

From 2013 to 2021, a total of 5,438 patent applications have been filed for the batteries worldwide, with Japan accounting for 48.6%, or 2,645 applications.

By company, Panasonic Holdings Corp. topped the list with 475 applications, followed by Toyota Motor Corp. with 405 requests.

South Korea’s Samsung Group and LG Group ranked third and fourth respectively, while Fujifilm Holdings Corp. took fifth place with 164 registrations, followed by Murata Manufacturing Co. with 154 registrations. Of the twenty largest companies, fourteen were Japanese.

In terms of quantum computing-related technologies, Japanese companies accounted for 12.5% ​​of all applications between 2010 and 2021, behind the United States (50.1%) and Europe (17.9%).

By company, IBM Corp. from the United States tops the list with 316 applications. Fujitsu Ltd., which topped the list of Japan’s top companies, ranked sixth with 80 applications.

Meanwhile, China accounted for 42.7% of patent applications for drone-related technologies filed between 2017 and 2021. Japan accounted for 11.1% and ranked fourth.

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