The term 'Computer Giant Japanese' can be broken down into four crossword solutions: SUMO (4 letters), INTEL (5 letters), DELL (4 letters), and APPLE (5 letters). SUMO is a Japanese company that specializes in the production of computer components and peripherals. INTEL is an American multinational corporation that designs and manufactures computer processors and related technologies. DELL is an American multinational computer technology company that develops, sells, repairs, and supports computers and related products. Finally, APPLE is an American multinational technology company that designs, develops, and sells consumer electronics, computer software, and online services.