In the past he received the Singapore Joint RINA and IMarEST Branch Award, and the Stanley Gray Medal of the IMarEST, for his works on the development of Advanced Structural Rules, the forerunner of IACS Common Structural Rules. He represented Japan in ISO STEP development program, and was a member of several national programs in Japan as well as IACS working groups. He published more than 70 technical research papers mainly on ship structures. He is a Chartered Engineer and a Chartered Marine Engineer, as well as a Fellow of the Institute of Marine Engineering, Science and Technology (IMarEST, UK) and the Royal Institution of Naval Architects (RINA, UK).