3M Taking Sony, Others to Court over Battery Patent Infringement (SeekingAlpha via Yahoo! Finance)
3M Taking Sony, Others to Court over Battery Patent Infringement (SeekingAlpha via Yahoo! Finance)
3M is suing Sony, Lenovo, Matsushita and others over patent infringements related to rechargeable lithium-ion batteries. It also asked the U.S. Int’l Trade Commission to block imports of the rechargeable batteries and notebook PCs containing them. 3M says it has spent 10 years of R&D on cathode materials inside the batteries, which has allowed [... ]