CAMBRIDGE, Mass.--(BUSINESS WIRE)--Helicos BioSciences Corporation (NASDAQ:HLCS) today announced that the RIKEN Yokohama Institute Omics Science Center (OSC) has agreed to purchase four Helicos™ Genetic Analysis Systems. The transaction represents the first multisystem sale of the Helicos system to a large genome center. Shipments are expected to take place in September, with one system remaining in Cambridge to be used in a scientific collaboration between the two parties that began last year.