日亜化学工業 にちあかがくこうぎょう Meanings Noun Nichia Corporation (Japanese chemical manufacturer) Kanji 日 day. Read as ニチ. 亜 sub- 化 transform 学 study. Read as ガク. 工 craft. Read as コウ. 業 business. Read as ギョウ. Jinuma: Japanese Dictionary · Word lists