The 2nd edition of Research.com ranking of the best scholars in the
arena of Medicine is based on data
derived from a wide range of data sources including OpenAlex and
CrossRef. The bibliometric data for estimating the citation-based metrics were
acquired on 21-12-2022. Position in the ranking is based on a
researcher’s D-index (Discipline H-index), which
takes into account only publications and citation
data for an examined discipline.
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The scope of our Medicine research
Research.com’s best researchers ranking is a reliable
lineup of leading scientists from the discipline of
Medicine, based on a meticulous
study of 166,880 researchers determined
from multiple bibliometric data sources. For the field of
Medicine, over 68936 scientists were
examined.
What is D-index acceptance threshold for Medicine
The D-index threshold for accepting a scientist to be
evaluated is established at 70 if
the majority of of their publications are in the field of Medicine. The
inclusion requirements for scientists to be
considered into the ranking of top researchers are based on the D-index, proportion
of the publications made within the specific discipline
in addition to the awards and achievements of the scientists. The
D-index threshold for including best scholars is
set as an increment of 10 depending on the total number of scholars
projected for each area od study whilst
guaranteeing that the top 1% of best scientists are
incorporated into the list. We expect a proximity of
30% or less between a scientist’s general H-index and their D-index.
Additional verification practices
Because our main goal is to guarantee that only
genuine scientists are mentioned in
Research.com ranking we are aware that numbers are never
supposed to be an absolute tool to evaluate the
output of scientists. For that reason
we manually verify every profile and cross-correlate it against publications in a
wide range of credible sources. Although it’s not a
factor contributing to a scholar’s position in
Research.com ranking, the amount of documents published in
prominent journals and conference proceedings should form a
valuable secondary implication of their contribution to research in a
specific discipline. Position in the ranking is
based on every researcher’s D-index
with the help of data collected from OpenAlex and
CrossRef, which are the most prominent and well-known bibliometric
databases of this type available to the research community. A
detailed definition of our research process
can be found on our
methodology page.
Our agenda
Our goal is to inspire scientists,
entrepreneurs and politicians
around the world to explore where leading experts are heading
and to provide an opportunity for the entire research community to
find out who the leading experts in specific
areas of study, in various countries, or even within research
institutions are.
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Key findings for Medicine
With 583 scholars Japan ranks in spot 8
in the world.
As far as institutions are concerned, the institution with the highest number of top scientists in Japan is University of Tokyo with 51 scholars affiliated with it being listed in Research.com Medicine ranking. It is followed by Japanese Foundation For Cancer Research with 49 researchers. Ranking thirds is Osaka University with 48 scientists.
Prominent scholars featured in Japan are representing Tohoku University, National Cerebral and Cardiovascular Center, Sumitomo Hospital, Tokyo University of Science, Keio University, Jichi Medical University, University of Tokyo, Hiroshima University, RIKEN, Kanazawa University.
Professor Shizuo Akira from Osaka University is featured as the best scholar in Japan in our ranking with a D-index of 293. Ranking on the second place in Japan is Yusuke Nakamura from Japanese Foundation For Cancer Research with a D-index of 202. The third place in Japan is taken by Tadamitsu Kishimoto from Osaka University with a D-index of 198.
The average D-index for the top 1% scientists is 203 against an average of 89 for all 583 scientists included in our ranking.
The average number of publications in the area of Medicine for the top 10% of scientists in the ranking is 1008 in comparison to an average of 631 for all 583 scholars.
The average number of citations for the top 10% scholars is 84972 against an average of 33939 for all 583 researchers.
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