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Hiroyuki Hasegawa

researcher , medical educator

Hiroyuki Hasegawa, Japanese medical educator, researcher.


Hasegawa, Hiroyuki was born on March 25, 1945 in Nagoya, Japan.


Doctor of Philosophy, Tokyo Metropolitan University, 1974.


Assistant professor Hamamatsu University School Medicine, Japan, 1975—1988, associate professor, 1988—1990. Professor Teikyo University of Science, Uenohara, Japan, since 1990. Visiting fellow National Institute of Mental Health, Bethesda, Maryland, 1979—1981.

Visiting scientist Wayne State University, Detroit, 1988—1989. Director Biotechnology Center Teikyo University of Science and Technology, Uenohara, since 2006.


  • Achievements include research in enzymic assay of dihydropteridine reductase by use of cytochrome. Research in quantitative description of superoxide generation in tetrahydropterin oxidation. Research in determination of 6R-stereoconfiguration of natural tetrahydrobiopterin.

    Research in semi-micro quantitative assay of tryptophan hydroxylase of biological samples by High-performance liquid chromatography. Research in ubiquitin-proteasome driven turnover of tryptophan hydroxylase. Research in cellular transport of tetrahydrobiopterin and related pterins.