Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Architecture and Design, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
![Masatoshi Yoshikawa](https://cdn.adscientificindex.com/pictures/a9/416475.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,860
2,204
0.280
![Kazunari Sugiyama](https://cdn.adscientificindex.com/pictures/01/519520.jpg)
Information Retrieval
Natural Language Processing
Digital Libraries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,389
1,423
0.420
![Junzo Kamahara](/user/assets/images/profile/no-profile-photo.png)
マルチメディア
情報推薦
情報検索
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
604
238
0.394
* Last 6 Years Citation Counts Rankings
![Takahisa Matsusaka](https://cdn.adscientificindex.com/pictures/3c/3992361.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
572
217
0.379
* Last 6 Years Citation Counts Rankings
![Hiroaki Natsukawa](https://cdn.adscientificindex.com/pictures/b9/4518534.jpg)
Visual Analytics
Visualization
Neuroimaging
MEG
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
153
99
0.647
Masatoshi Yoshikawa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,860
2,204
0.280
Kazunari Sugiyama
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,389
1,423
0.420
Information Retrieval
Natural Language Processing
Digital Libraries
Junzo Kamahara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
604
238
0.394
Takahisa Matsusaka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
572
217
0.379
Hiroaki Natsukawa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
153
99
0.647