JKJiro KikkawaResearcher (Library and information studies not elsewhere classified)JapanFollowUsage metrics Co-workers & collaboratorsNMNobuko MiyairiScholarly Communications Consultant/Analyst - Tokyo, JapanNobuko MiyairiMTMasao TakakuMasao TakakuFYFuyuki YoshikaneFuyuki YoshikaneYMYukiko MatsubaraJapanYukiko MatsubaraSUShoma UekiShoma UekiKSKenji SasakiKenji Sasaki