 This kanji usage is occasionally employed by coffee manufacturers or coffee shops for novelty.Katakana are used to indicate the "on'yomi" (Chinese-derived readings) of a kanji in a kanji dictionary.For instance, the kanji 人 has a Japanese pronunciation, written in hiragana as "hito" (person), as well as a Chinese derived pronunciation, written in katakana as "jin" (used to denote groups of people).