YNYukiko NagaiFollowUsage metrics Co-workers & collaboratorsTTTakashi ToyofukuTakashi ToyofukuMHMitsuyasu HasebeMitsuyasu HasebeATAtsushi ToyodaAtsushi ToyodaTYTakao YoshidaTakao YoshidaSSShigeru ShimamuraShigeru ShimamuraYTYoshihiro TakakiYoshihiro Takaki