TOKYO -- Japanese biotech unicorn Spiber has approved raising 34.4 billion yen ($312 million) from investors led by U.S. private equity firm Carlyle Group in one of the biggest funding rounds for a Japanese startup.
Spiber nets $300m to bolster American production

Synthetic spider silk developed by Spiber. (Photo by Masayuki Terazawa)
TOKYO -- Japanese biotech unicorn Spiber has approved raising 34.4 billion yen ($312 million) from investors led by U.S. private equity firm Carlyle Group in one of the biggest funding rounds for a Japanese startup.