Ryoko Kato

1.5k total citations
40 papers, 602 citations indexed

About

Ryoko Kato is a scholar working on Physiology, Surgery and Geriatrics and Gerontology. According to data from OpenAlex, Ryoko Kato has authored 40 papers receiving a total of 602 indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Physiology, 10 papers in Surgery and 9 papers in Geriatrics and Gerontology. Recurrent topics in Ryoko Kato's work include Nutrition and Health in Aging (18 papers), Frailty in Older Adults (9 papers) and Dysphagia Assessment and Management (4 papers). Ryoko Kato is often cited by papers focused on Nutrition and Health in Aging (18 papers), Frailty in Older Adults (9 papers) and Dysphagia Assessment and Management (4 papers). Ryoko Kato collaborates with scholars based in Japan, Canada and United States. Ryoko Kato's co-authors include Akio Shimizu, Naoharu Mori, Keisuke Maeda, Yuria Ishida, Tomoyuki Nonogaki, Yosuke Yamanaka, Yasushi Ohizumi, Yushan Li, Kimihiro Matsunaga and Akira Takaku and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Journal of neurosurgery.

In The Last Decade

Ryoko Kato

38 papers receiving 583 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Ryoko Kato Japan 15 252 101 95 94 69 40 602
Kayoko Ito Japan 16 402 1.6× 72 0.7× 29 0.3× 44 0.5× 236 3.4× 60 738
C.I.A. Jack United Kingdom 14 119 0.5× 176 1.7× 12 0.1× 60 0.6× 86 1.2× 21 855
Peijun Li China 16 176 0.7× 44 0.4× 21 0.2× 86 0.9× 8 0.1× 51 849
Jun Ueki Japan 16 181 0.7× 115 1.1× 14 0.1× 343 3.6× 25 0.4× 41 1.0k
Jianquan He China 17 237 0.9× 65 0.6× 41 0.4× 484 5.1× 8 0.1× 29 792
Kumpei Tanisawa Japan 21 620 2.5× 59 0.6× 54 0.6× 395 4.2× 6 0.1× 75 1.2k
Aviv Ouanounou Canada 14 104 0.4× 53 0.5× 12 0.1× 111 1.2× 9 0.1× 43 801
María Fernández Fernández Spain 12 143 0.6× 40 0.4× 39 0.4× 133 1.4× 9 0.1× 25 528
Fulden Saraç Türkiye 13 214 0.8× 28 0.3× 60 0.6× 41 0.4× 7 0.1× 50 512
Silvia Pisanu Italy 9 300 1.2× 27 0.3× 10 0.1× 454 4.8× 39 0.6× 14 706

Countries citing papers authored by Ryoko Kato

Since Specialization
Citations

This map shows the geographic impact of Ryoko Kato'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 Ryoko Kato with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ryoko Kato more than expected).

Fields of papers citing papers by Ryoko Kato

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ryoko Kato. 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 Ryoko Kato. The network helps show where Ryoko Kato may publish in the future.

Co-authorship network of co-authors of Ryoko Kato

This figure shows the co-authorship network connecting the top 25 collaborators of Ryoko Kato. A scholar is included among the top collaborators of Ryoko Kato 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 Ryoko Kato. Ryoko Kato is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
2.
Sakaguchi, Tatsuma, Keisuke Maeda, Tomoko Takeuchi, et al.. (2024). Low handgrip strength as a marker of severity in the diagnostic criteria for cancer cachexia. Clinical Nutrition ESPEN. 64. 435–440. 1 indexed citations
3.
Sakaguchi, Tatsuma, Keisuke Maeda, Tomoko Takeuchi, et al.. (2023). Validity of the diagnostic criteria from the Asian Working Group for Cachexia in advanced cancer. Journal of Cachexia Sarcopenia and Muscle. 15(1). 370–379. 11 indexed citations
4.
Nonogaki, Tomoyuki, Keisuke Maeda, Akio Shimizu, et al.. (2023). Nutrition provided during the final weeks to patients with non-gastrointestinal solid malignancies. Clinical Nutrition ESPEN. 57. 494–500. 1 indexed citations
5.
Mori, Naoharu, Keisuke Maeda, Yasuyuki Fukami, et al.. (2022). High SARC-F score predicts poor survival of patients with cancer receiving palliative care. Supportive Care in Cancer. 30(5). 4065–4072. 15 indexed citations
6.
Maeda, Keisuke, Yosuke Yamanaka, Yuria Ishida, et al.. (2021). Evaluation of skeletal muscle mass using prediction formulas at the level of the 12th thoracic vertebra. Nutrition. 93. 111475–111475. 2 indexed citations
7.
Wakabayashi, Hidetaka, Ichiro Fujishima, Masataka Itoda, et al.. (2021). Construction and Quality Evaluation of the Japanese Sarcopenic Dysphagia Database. The journal of nutrition health & aging. 25(7). 926–932. 24 indexed citations
8.
Wakabayashi, Hidetaka, et al.. (2021). Sarcopenia Is Associated with Fecal Incontinence in Patients with Dysphagia: Implication for Anal Sarcopenia. The journal of nutrition health & aging. 26(1). 84–88. 13 indexed citations
9.
Ishida, Yuria, Keisuke Maeda, Junko Ueshima, et al.. (2021). The SARC-F Score on Admission Predicts Falls during Hospitalization in Older Adults. The journal of nutrition health & aging. 25(3). 399–404. 10 indexed citations
10.
Ishida, Yuria, Keisuke Maeda, Tomoyuki Nonogaki, et al.. (2020). SARC-F as a Screening Tool for Sarcopenia and Possible Sarcopenia Proposed by AWGS 2019 in Hospitalized Older Adults. The journal of nutrition health & aging. 24(10). 1053–1060. 23 indexed citations
11.
Kikuchi, Kentaro, et al.. (2020). Distinguishing coagulase-negative Staphylococcus bacteremia from contamination using blood-culture positive bottle detection pattern and time to positivity. Journal of Infection and Chemotherapy. 26(7). 672–675. 25 indexed citations
12.
Maeda, Keisuke, Yuria Ishida, Tomoyuki Nonogaki, et al.. (2019). Burden of Premorbid Consumption of Texture Modified Diets in Daily Life on Nutritional Status and Outcomes of Hospitalization. The journal of nutrition health & aging. 23(10). 973–978. 10 indexed citations
13.
14.
Oda, Masataka, Manabu Hashimoto, Masaya Takahashi, et al.. (2012). Role of Sphingomyelinase in Infectious Diseases Caused by Bacillus cereus. PLoS ONE. 7(6). e38054–e38054. 49 indexed citations
15.
Watanabe, Kotaro, et al.. (2011). Association of muscle hardness with muscle tension dynamics: a physiological property. European Journal of Applied Physiology. 112(1). 105–112. 31 indexed citations
16.
Kato, Ryoko, et al.. (2005). Quantitative Evaluation of Spasticity in Upper Limbs in Hemiplegic Subject Using a Mathmatical Model. PubMed. 2005. 6612–6614. 1 indexed citations
17.
Nakamura, Hiroaki, Ryoko Kato, Azumi Hirata, Miho Inoue, & Toshio Yamamoto. (2005). Localization of CD44 (Hyaluronan Receptor) and Hyaluronan in Rat Mandibular Condyle. Journal of Histochemistry & Cytochemistry. 53(1). 113–120. 11 indexed citations
18.
Hirashima, Yutaka, Shunro Endo, Ryoko Kato, & Akira Takaku. (1996). Prevention of cerebrovasospasm following subarachnoid hemorrhage in rabbits by the platelet-activating factor antagonist, E5880. Journal of neurosurgery. 84(5). 826–830. 26 indexed citations
19.
Kato, Ryoko, et al.. (1994). Platelet-activating factor (PAF) and the development of chronic subdural haematoma. Acta Neurochirurgica. 129(1-2). 20–25. 15 indexed citations
20.
Hirashima, Yutaka, et al.. (1994). Platelet-activating factor (PAF) concentration and PAF acetylhydrolase activity in cerebrospinal fluid of patients with subarachnoid hemorrhage. Journal of neurosurgery. 80(1). 31–36. 22 indexed citations

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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Kayoko Ito Breakdown of academic impact, for papers by C.I.A. Jack Breakdown of academic impact, for papers by Peijun Li Breakdown of academic impact, for papers by Jun Ueki Breakdown of academic impact, for papers by Jianquan He Breakdown of academic impact, for papers by Kumpei Tanisawa Breakdown of academic impact, for papers by Aviv Ouanounou Breakdown of academic impact, for papers by María Fernández Fernández Breakdown of academic impact, for papers by Fulden Saraç Breakdown of academic impact, for papers by Silvia Pisanu
Rankless by CCL
2026