For significant and sustained contributions in the field of superconducting magnet technology, in particular:
for his pioneering work in the development of high field superconducting magnets and their associated cryogenic systems for high energy physics applications both in Japan and internationally
for training several generations of young researchers in all aspects of particle accelerator technologies
for the leading role he has played in promoting superconducting magnet technology for accelerator applications through various domestic and international collaborations, conferences and societies