Keiji Ohata
- Surgery
- Pulmonary and Respiratory Medicine
- Biomedical Engineering
- Oncology
- Radiology, Nuclear Medicine and Imaging
- Co-authors
- Norihito OkumuraTatsuo NakagawaHitoshi IgaiTomoaki MatsuokaHarald C. OttMamoru TakahashiKotaro KameyamaHideki Motoyama
- Topics
- Transplantation: Methods and Outcomes (12 papers)Organ Transplantation Techniques and Outcomes (8 papers)Lung Cancer Diagnosis and Treatment (5 papers)
- Journals
- TransplantationJournal of Thoracic and Cardiovascular SurgeryThe Annals of Thoracic Surgery
- Partner nations
- JapanUnited States
In The Last Decade
Keiji Ohata
21 papers receiving 329 citations
Peers
Comparison fields: 5 of 56
- Surgery 184
- Pulmonary and Respiratory Medicine 167
- Biomedical Engineering 68
- Oncology 67
- Radiology, Nuclear Medicine and Imaging 36
Countries citing papers authored by Keiji Ohata
This map shows the geographic impact of Keiji Ohata'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 Keiji Ohata with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Keiji Ohata more than expected).
Fields of papers citing papers by Keiji Ohata
This network shows the impact of papers produced by Keiji Ohata. 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 Keiji Ohata. The network helps show where Keiji Ohata may publish in the future.
Co-authorship network of co-authors of Keiji Ohata
This figure shows the co-authorship network connecting the top 25 collaborators of Keiji Ohata. A scholar is included among the top collaborators of Keiji Ohata based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Keiji Ohata. Keiji Ohata is excluded from the visualization to improve readability, since they are connected to all nodes in the network.
All Works
| # | Work | Indexed citations |
|---|---|---|
| 1 | 9 | |
| 2 | 39 | |
| 3 | 16 | |
| 4 | 1 | |
| 5 | 19 | |
| 6 | 25 | |
| 7 | 8 | |
| 8 | 4 | |
| 9 | 2 | |
| 10 | 34 | |
| 11 | 9 | |
| 12 | 10 | |
| 13 | 5 | |
| 14 | 7 | |
| 15 | 1 | |
| 16 | 0 | |
| 17 | 48 | |
| 18 | 23 | |
| 19 | 14 | |
| 20 | 5 |
About Keiji Ohata
Keiji Ohata is a scholar working on Transplantation, Surgery and Pulmonary and Respiratory Medicine, having authored 24 papers that have together received 342 indexed citations. Recurring topics across this work include Transplantation: Methods and Outcomes (12 papers), Organ Transplantation Techniques and Outcomes (8 papers) and Lung Cancer Diagnosis and Treatment (5 papers). The work is most often cited by research in Transplantation (27 citations), Pulmonary and Respiratory Medicine (167 citations) and Surgery (184 citations). Keiji Ohata has collaborated with scholars based in Japan and United States. Frequent co-authors include Norihito Okumura, Tatsuo Nakagawa, Hitoshi Igai, Tomoaki Matsuoka, Harald C. Ott, Mamoru Takahashi, Kotaro Kameyama, Hideki Motoyama, Akihiro Aoyama and Takeshi Kondo. Their work appears in journals such as Transplantation, Journal of Thoracic and Cardiovascular Surgery and The Annals of Thoracic Surgery.
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.