TOKYO (Reuters) – Japans Canon Inc said on Tuesday that it will buy back up to 1.6 percent of its own shares, spending up to 50 billion yen ($490.7 million) between February 19 and April 4. The company last carried out a share buyback between September 4 and November 1. ($1 = 101.9050 Japanese yen) (Reporting by Dominic Lau; Editing by Chang-Ran Kim)