The joint venture licenses a portfolio of about 1,400 patents and patent applications relating to optical-disk recording technology.  IBM and MCA formed Discovision in 1979 to make laser-read optical products.
the market for the systems was developing as rapidly as the partners had hoped
But the partners didn't believe the market for the systems was developing as rapidly as they had hoped.
The joint venture licenses a portfolio of about 1,400 patents and patent applications relating to optical-disk recording technology.  IBM and MCA formed Discovision in 1979 to make laser-read optical products.</s>But the partners didn't believe the market for the systems was developing as rapidly as they had hoped.</s>the market for the systems was developing as rapidly as the partners had hoped