HF is the director of Department of Plastic and Reconstructive Surgery, Hamamatsu University School of Medicine. He published some articles on drug delivery in the following journals. 1. Development of three-microneedle device for hypodermic drug delivery and clinical application. Plast Reconstr Surg, 2012. 2. Application of a three-microneedle device for the delivery of local anesthetics. Patient Preference and Adherence, 2015.