Shimizu, Hiroshi; Hoshino, Yusuke - 2012
transportation equipment, one of the Japan's leading industries, fared poorly. Looking at the R&D 100 Awards, this segment's presence … has increased in Japan, while it has decreased in the U.S. since the 1970s. Lastly, the inter-organizational collaboration … ratio was higher in Japan than in the U.S. until the 1980s. However, the U.S. showed an increase in the collaboration ratio …
