Ken‐ichi Takeyama
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- Vitamin D Research Studies 14
- Nephrology top 2%
- Genetics top 2%
- Estrogen and related hormone effects 19
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- Hormonal Regulation and Hypertension 7
- Growth Hormone and Insulin-like Growth Factors 6
- Hormonal and reproductive studies 5
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- Sexual Differentiation and Disorders 7
- Retinoids in leukemia and cellular processes 5
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- Neurobiology and Insect Physiology Research 4
In The Last Decade
Ken‐ichi Takeyama
47 papers receiving 3.3k citations
Hit Papers
Peers
Comparison fields: 5 of 113
- Pathology and Forensic Medicine 1.1k
- Nephrology 277
- Genetics 948
- Endocrinology, Diabetes and Metabolism 560
- Health, Toxicology and Mutagenesis 379
Countries citing papers authored by Ken‐ichi Takeyama
This map shows the geographic impact of Ken‐ichi Takeyama's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ken‐ichi Takeyama with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ken‐ichi Takeyama more than expected).
Fields of papers citing papers by Ken‐ichi Takeyama
This network shows the impact of papers produced by Ken‐ichi Takeyama. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ken‐ichi Takeyama. The network helps show where Ken‐ichi Takeyama may publish in the future.
Co-authorship network
The 25 scholars most cited alongside Ken‐ichi Takeyama, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.
All Works
| # | Work | ||
|---|---|---|---|
| 1 | 2021 | 0 | |
| 2 | 2013 | 50 | |
| 3 | 2012 | 41 | |
| 4 | 2011 | 36 | |
| 5 | 2010 | 54 | |
| 6 | 2008 | 290 | |
| 7 | 2008 | 27 | |
| 8 | 2008 | 45 | |
| 9 | 2004 | 17 | |
| 10 | 2004 | 14 | |
| 11 | 2003 | 11 | |
| 12 | 2003 | 4 | |
| 13 | 2003 | 63 | |
| 14 | 2002 | 9 | |
| 15 | 1999 | 49 | |
| 16 | 1998 | 3 | |
| 17 | 1998 | 126 | |
| 18 | 1998 | 17 | |
| 19 | 1998 | 239 | |
| 20 | 1997 | 33 |
About Ken‐ichi Takeyama
Ken‐ichi Takeyama is a scholar working on Endocrinology, Diabetes and Metabolism, Genetics and Pathology and Forensic Medicine, having authored 48 papers that have together received 3.4k indexed citations. Recurring topics across this work include Estrogen and related hormone effects (19 papers), Vitamin D Research Studies (14 papers), Hormonal Regulation and Hypertension (7 papers), Sexual Differentiation and Disorders (7 papers), Growth Hormone and Insulin-like Growth Factors (6 papers), Hormonal and reproductive studies (5 papers), Retinoids in leukemia and cellular processes (5 papers) and Neurobiology and Insect Physiology Research (4 papers). The work is most often cited by research in Pathology and Forensic Medicine (1.1k citations), Nephrology (277 citations) and Genetics (948 citations). Ken‐ichi Takeyama has collaborated with scholars based in Japan, France and Norway. Frequent co-authors include Shigeaki Kato, Sachiko Kitanaka, Junn Yanagisawa, Takashi Sato, Akiko Murayama, Takahiro Μatsumoto, Masato Kobori, Eriko Suzuki, Tatsuo Hosoya and Fumiaki Ohtake. Their work appears in journals such as Nature, Science and New England Journal of Medicine.
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.