TOKYO, Japan – Nikkei Asia reports that Toyota Motor is by far the leading holder of solid-state battery patents, a Nikkei study shows, demonstrating how Japanese companies have dominated the race to develop the next-generation power source for electric vehicles.
In fact, Japanese companies dominate top 10 list of solid-state battery patents, but South Korean rivals are gaining ground.
According to Nikkei Asia, Toyota is the leader with 1,331 known patents while Panasonic Holdings is a distant second with 445 patents. Idemitsu Kosan holds 272 patents, meaning Japanese companies held the top three spots.
Solid electrolyte batteries offer high energy density. But they are expensive and the competition is growing rapidly. Can Solid State keep up?
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