UPDATE 1-U.S.-based Japanese stock funds add $1 bln over week-Lipper

(Adds byline, comments, table) NEW YORK, Nov 20 (Reuters) - Investors in U.S.-based funds added $1 billion into Japanese equity funds in the week ended Nov. 19, posting a fourth straight week of net inflows, data from Thomson Reuters' Lipper service showed on Thursday. The flows marked the longest streak of net new cash to such funds since the start of the year. The new money came in the same week that Prime Minister Shinzo Abe said he would delay a planned sales tax hike, after the