What is Kabushiki gaisha usually translated as? Is Canon Inc. listed in the appropriate organization to be considered #1?
Canon Inc.
Canon, Inc. is a large corporation listed on the Tokyo Stock Exchange. Companies are listed on a stock exchange so brokers can buy and sell stock in those companies. Kabushiki gaisha is often translated as "stock company", "joint-stock company" or "stock corporation". 
Japanese multinational corporation specialised in the manufacture of imaging and optical products
Is Canon Inc. a Kabushiki gaisha?