Ebara: Announcement of investment in Spiber Inc. and business alliance agreement in the field of structural protein materials manufacturing

EBARA CORPORATION is pleased to announce that they have invested (total investment of 1.0 billion yen) in and signed a basic business alliance contract with Spiber Inc.

Through this alliance, EBARA will improve the efficiency of the manufacturing process of structural protein materials developed by Spiber1 and also develop opportunities to utilize Spiber’s materials for EBARA Group’s products.


In our management policy, EBARA states that “The Group strives to maintain the highest standard of technological development capabilities in each business domain, aiming at continuous improvement in product performance. The Group actively pursues fledgling technologies independent of its operations with the aim of incorporating such know-how in its products, and markets products with technical features that no other competitors have.” With this agreement with Spiber, which possesses outstanding technologies in the development and production of structural protein materials, we will contribute to the efficiency of their manufacturing process through the EBARA group’s technologies. We will also develop opportunities to improve our products by using Spiber’s structural protein materials.


Under the agreement, EBARA will utilize EBARA Group’s technologies and collaborate with Spiber for the following purposes:

  • To increase the efficiency of Spiber’s manufacturing process to prepare for mass production of structural protein materials
  • To further enhance the performance of Ebara Group’s products by utilizing structural protein materials as alternative materials or add-in materials

Future Plans

EBARA will work with Spiber to transform the materials industry, and strive for innovation in product functionality as well as expansion of product applications in the industrial machinery field.

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