TOKYO, June 26 (Reuters) – Semiconductor materials maker JSR Corp's (4185.T) board will meet on Monday to discuss a potential multi-billion dollar buyout by a government-backed fund that would mark an acceleration of Japan's efforts to strengthen its chip industry. Below are investments in Japan announced by chipmakers and measures the government is taking to revive its semiconductor industry. WHICH COMPANIES ARE INVESTING? Taiwan Semiconductor Manufacturing Co (TSMC) (2330.TW) announced in November a plan to build a $7 billion chip plant on Kyushu island, with production of 12 and 16 nanometre chips slated to begin in 2024. Sony Group (6758.T)…