His clinical specialty is hepato-biliary-pancreatic and transplant surgery, including minimal invasive and microsurgery. Mainly, he has performed many liver transplants and liver transplant experiments at Kyoto University (2006~2020) and Kanazawa University (2021~) in Japan. His research interest is focused on liver regeneration and ischemia-reperfusion injury after liver resection and transplantation. From 2008 to 2010, he studied organ preservation at RWTH-Aachen University in Germany under Prof. Rene Tolba. He also has an emphasis on surgical education, especially in microsurgical and transplant education for young surgeons.

He founded the ISEM Japan chapter in 2015 with Professor Eiji
Kobayashi, in which they have convened educational seminars on microsurgery and organ transplantation model for young researchers and surgeons. In collaboration with Mitaka Kohki Co., he developed a fluorescent 3D-4K Video Microscope, named “HawkSight” and put it on the market in 2020.

He got a Microsurgical Technology Award from ISEM in 2015, and a B. Braum Award from the European Society of Surgical Research (ESSR) in 2011. He was Secretary General (August 2018~December 2021). And now, he is the President-elect (January 2022~) of ISEM.