Journal of the Physical Society of Japan (JPSJ) is a monthly, peer reviewed, scientific journal published by the Physical Society of Japan (JPS). It was first published in July 1946 (volume 1). The editor-in-chief was A. Kawabata until August 2010. The impact factor for JPSJ in 2017 is 1.485, according to Journal Citation Reports. Research paper formats include full papers, letters, short notes, comments, addenda, errata, invited papers and special topics.