Japanese startup TBM seeks to raise more pre-IPO funding

Japanese startup TBM seeks to raise more pre-IPO funding

Nobuyoshi Yamasaki, chief executive office of TBM Co., poses for a photograph at the company's headquarters in Tokyo, Japan, on Friday, June 9, 2017. Yamasaki's venture TBM makes water- and tree-free paper made from limestone, a rock it proclaims is "almost inexhaustible." He says it’s the answer to concerns over deforestation and water shortages, with world demand for paper set to double by 2030. Photographer: Tomohiro Ohsumi/Bloomberg

Making paper out of rock isn’t just a novel idea — it saves water, is both recyclable and potentially biodegradable and uses a mineral resource available anywhere on earth.

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