Kazuya Mizuno

Chuo Kagaku Co., Ltd. engages in the manufacture and sale of disposable plastic food containers. It offers containers for sashimi, sushi, bento lunches, topped rice and noodles, side dishes, fruits and vegetables, and meat. It also provides trays and specialty containers dor catering and hors d'oeuvres. The company was founded by Koji Watanabe in April 1957 and is headquartered in Konosu, Japan.

Established in 1937, KOHJI Co., Ltd. manufactures, processes, and sells products that are used as functional materials for the production of goods that support one's everyday life, such as flavor enhancers, health supplements, food packaging film for maintaining safety and freshness, functional chemicals and materials for commercial and residential building and furniture, paint, and household supplies such as shampoo. KOHJI is based in Tokyo and operates around Japan through its offices and factories in Osaka, Aichi, Kyushu, Kumamoto, and Ooita Prefectures