Ishizuka Glass Co., Ltd. was established in 1941. Ishizuka manufactures
glass bottles and tableware using the brand name "Adelia". It is
also engaged in the wholesale of paper containers procured from
an associated company.
In addition, Ishizuka Glass manufactures
anti-microbial and anti-mite additives that are used in various
day-to-day applications ranging from toilet seats and carpets to
eating utensils to hair brushes. These additives are added during
the manufacturing process to reduce the likelihood of bacterial
growth on the surface of the object.