[3] In 1912, Hashimoto traveled to University of Göttingen in Germany to study pathology under the training of Eduard Kaufmann, with particular emphasis on tuberculosis of the urinary tract.

As a surgeon and general practitioner, Hashimoto would frequently visit patients in their homes, often utilising a rickshaw, regardless of distance.

[3] In December 1933, Hashimoto fell ill with typhoid fever and eventually died at home on 9 January 1934 at the age of 52.

[3] In 1912, he published a paper, Kōjōsen rinpa-setsu shushō-teki henka ni kansuru kenkyū hōkoku or Zur Kenntnis der lymphomatösen Veränderung der Schilddrüse (Struma lymphomatosa) or (Report on lymphomatous goiter) in "Archiv für klinische Chirurgie", Berlin, 1912:97:219-248.

[6] Hashimoto married Yoshiko Miyake, the daughter of a naval doctor who studied Japanese literature at the Nara' Women's Higher College for Education.