The government then announced statutory regulations and guidelines for the handling of chemicals in the pharmaceutical industry, and the professional title Pharmacist was designated.

Following the end of World War II, the JPA was amalgamated with the Pharmaceutical Society of Japan (日本薬学会, Nihon yakugaku Kai) in 1948 and membership became voluntary.

[b] In 2011, an emergency team of 2062 pharmacists were deployed in response to the 2011 Tōhoku earthquake and tsunami, to ensure that essential medications were supplied to those displaced by the event, and maintain continuity of care.

[1]: 13 Satoshi Ōmura 2015 Nobel laureate known for his contribution to the development of the drug Ivermectin a WHO listed essential medicine for the treatment of parasites.

Arinobu Fukuhara was Chief Pharmacist of the Imperial Japanese Navy, the founder of the pharmaceutical and cosmetic company Shiseidō, and served a small president of the JPA.