Japan, which had briefly reopened its market to U.S. beef, suspended imports again last month after finding a veal shipment containing backbone, a part of the cow that is thought to carry the substance that causes mad cow disease. Cell Phone Joint Venture Two competitors in the cell phone industry are coming together. Japan's Sanyo Electric and Finland's Nokia have announced they will combine some of their operations into a joint venture, with major facilities in San Diego, California; and two Japanese cities, Osaka and Tottori. The combined operation will supply about one-fifth of the world market for phones using CDMA (Code Division Multiple Access) technology. The Sanyo-Nokia combination is seen as a strategy to take on the current industry leader, Samsung of South Korea. Sony Television Sony has had another expensive mishap.