[1] As noted in his obituary in Clinical Chemistry, Masahide "graduated from Yamaguchi Medical School in 1961.
Several years later, in 1967, he was appointed the Chief of the Clinical Chemistry Department at Kawasaki Hospital.
In 1970, he did a fellowship in the United States at the Michael Reese Hospital in Chicago, IL, which gave him exposure to the US medical system.
Two years later he became an Assistant Professor of Internal Medicine at Kawasaki Medical School and rose quickly in the academic ranks to become a Full Professor of Laboratory Diagnosis in 1976 and, ultimately, Vice President of Kawasaki Paramedical College."
[1] Masahide published many papers between 1981 and 1999, the most notable of which was a monograph on laboratory automation sponsored by the A&T Corporation.