Denka Co. Ltd. (TYO:4061) has shown a drop to both revenue and profits in its recently posted business results for the April–June quarter of fiscal 2020. The company revealed sales revenue of 76.23 billion yen ($719.68 million) for this first quarter, down by 16.1 percent year-on-year; operating income of 4.4 billion yen, down by 34.8 percent; ordinary income of 5.01…