He graduated from Department of Physics at Imperial College of Science in 1895 and in 1897 started teaching at a military engineering school.

[1] Research work of Shinjo was mostly concentrated in geodesy, astrophysics and ancient Chinese astronomical history.

He spent much effort on accurate measurements of the Earth gravity and magnetic field, which were important in that time.

His astronomy achievements included establishment and development of the Space Physics Laboratory at Kyoto University in 1918, where he studied meteors, variable and binary stars.

[4] In a statistical overview derived from writings by and about Shinzō Shinjō, OCLC/WorldCat encompasses roughly 40+ works in 50+ publications in 4 languages and 200+ library holdings.