context: The couple married in 1975 after Miyuki divorced her ex-husband.
source: Hatoyama worked as assistant professor (1976–1981) at Tokyo Institute of Technology and later transferred to Senshu University as associate professor (1981–1984).
reference_original: Hatoyama war Juniorprofessorin am Tokyo Institute of Technology (1976–1981) und wechselte später als außerordentliche Professorin an die Senshu University (1981-1984).
reference_flipped: Hatoyama war Juniorprofessor am Tokyo Institute of Technology (1976–1981) und wechselte später als außerordentlicher Professor an die Senshu University (1981-1984).