Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, 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)
![Takashi Nagatsuka](https://cdn.adscientificindex.com/pictures/90/4592991.jpg)
Information Science
Library Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
220
65
0.295
![Hiroyuki Tsunoda](/user/assets/images/profile/no-profile-photo.png)
Library and information science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
85
47
0.553
Takashi Nagatsuka
Tsurumi University
Yokohama, Japan
![Japan](/flags/jp.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
220
65
0.295
Information Science
Library Science
Hiroyuki Tsunoda
Tsurumi University
Yokohama, Japan
![Japan](/flags/jp.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
85
47
0.553
Library and information science