Japanese firm Asahi Kasei has won a two-year lithium-ion separator patent infringement case against firms Shenzhen Xu Ran (旭冉) Electronic and Shenzhen Xu Ran (旭然) Electronic.
Asahi filed a patent infringement lawsuit based on the Chinese patent of separator for lithium-ion secondary battery (Patent No.: ZL200680046997. 8) with the Shenzhen Intermediate People’s Court in August, 2018.