Kenzo Okabayashi

1.3k total citations · 2 hit papers
7 papers, 1.1k citations indexed

About

Kenzo Okabayashi is a scholar working on Pulmonary and Respiratory Medicine, Oncology and Gastroenterology. According to data from OpenAlex, Kenzo Okabayashi has authored 7 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Pulmonary and Respiratory Medicine, 3 papers in Oncology and 3 papers in Gastroenterology. Recurrent topics in Kenzo Okabayashi's work include Gastric Cancer Management and Outcomes (5 papers), Metastasis and carcinoma case studies (4 papers) and Gastrointestinal Tumor Research and Treatment (3 papers). Kenzo Okabayashi is often cited by papers focused on Gastric Cancer Management and Outcomes (5 papers), Metastasis and carcinoma case studies (4 papers) and Gastrointestinal Tumor Research and Treatment (3 papers). Kenzo Okabayashi collaborates with scholars based in Japan, United States and United Kingdom. Kenzo Okabayashi's co-authors include Taira Kinoshitá, Keiichi Maruyama, M. Sasako, Peter Gunvén, Toshifusa Nakajima, Masato Sasaki, Atsushi Nashimoto, Takeshi Iwanaga, Tsuyoshi Kito and Masashi Goto and has published in prestigious journals such as The Lancet, Annals of Surgery and World Journal of Surgery.

In The Last Decade

Kenzo Okabayashi

7 papers receiving 1.0k citations

Hit Papers

align trajectories sort by overperformance

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Progress in gastric cancer surgery in Japan and its limits of radicality

1987 534 citations Keiichi Maruyama, Kenzo Okabayashi et al. World Journal of Surgery profile →
Lymph Node Metastases of Gastric Cancer

1989 361 citations Keiichi Maruyama, Peter Gunvén et al. Annals of Surgery profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Kenzo Okabayashi Japan	6	970	514	468	155	43	7	1.1k
Y Nakane Japan	11	541 0.6×	287 0.6×	333 0.7×	77 0.5×	30 0.7×	20	647
Hideaki Nishidoi Japan	15	578 0.6×	244 0.5×	370 0.8×	168 1.1×	23 0.5×	55	715
Tsunehide Boku Japan	7	380 0.4×	152 0.3×	296 0.6×	100 0.6×	44 1.0×	14	487
Yasuo Kunii Japan	9	340 0.4×	188 0.4×	181 0.4×	106 0.7×	30 0.7×	33	437
Mitsumasa Nishi Japan	11	498 0.5×	175 0.3×	380 0.8×	64 0.4×	29 0.7×	36	629
Dmitry Bichev Germany	7	625 0.6×	238 0.5×	346 0.7×	320 2.1×	34 0.8×	15	677
Yoichi Yakeishi Japan	5	329 0.3×	153 0.3×	199 0.4×	74 0.5×	42 1.0×	6	420
Kirstin Breithaupt Germany	7	509 0.5×	197 0.4×	260 0.6×	286 1.8×	37 0.9×	10	558
Pamela Dumas United States	8	516 0.5×	246 0.5×	260 0.6×	254 1.6×	61 1.4×	13	698
Sung Tae Oh South Korea	18	659 0.7×	368 0.7×	381 0.8×	206 1.3×	38 0.9×	54	800

Countries citing papers authored by Kenzo Okabayashi

Since Specialization

Citations

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

Fields of papers citing papers by Kenzo Okabayashi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kenzo Okabayashi

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

All Works

Sort: Min cites: Since: Top N: Style:

7 of 7 papers shown

1.

Nakajima, Toshifusa, Atsushi Nashimoto, Masatsugu Kitamura, et al.. (1999). Adjuvant mitomycin and fluorouracil followed by oral uracil plus tegafur in serosa-negative gastric cancer: a randomised trial. The Lancet. 354(9175). 273–277. 132 indexed citations

2.

Furukawa, Hiroshi, Takeshi Iwanaga, Toshifusa Nakajima, et al.. (1995). Randomized study with mitomycin C + 5‐fluorouracil + cytosine arabinoside (MFC) + 5‐fluorouracil, MFC + tegafur and uracil (UFT), and MF + UFT in advanced gastric cancer: Interinstitutional differences in a multicenter study in Japan. Journal of Surgical Oncology. 60(1). 59–64. 9 indexed citations

3.

Sasako, Mitsuru, Taira Kinoshitá, Keiichi Maruyama, et al.. (1989). Surgical treatment for gastric leiomyosarcoma clinicopathological study of 51 resected cases.. The Japanese Journal of Gastroenterological Surgery. 22(9). 2212–2216. 5 indexed citations

4.

Maruyama, Keiichi, Peter Gunvén, Kenzo Okabayashi, M. Sasako, & Taira Kinoshitá. (1989). Lymph Node Metastases of Gastric Cancer. Annals of Surgery. 210(5). 596–602. 361 indexed citations breakdown →

5.

Kawashima, Kazuko, Tsuguo Naruke, Mitsuo Izawa, et al.. (1987). Restriction fragment length polymorphism(RFLP) of L-myc is related to the progression of human colon and stomach cancers.. Proceedings of the Japan Academy Series B. 63(8). 300–303. 4 indexed citations

6.

Maruyama, Keiichi, Kenzo Okabayashi, & Taira Kinoshitá. (1987). Progress in gastric cancer surgery in Japan and its limits of radicality. World Journal of Surgery. 11(4). 418–425. 534 indexed citations breakdown →

7.

Okabayashi, Kenzo, et al.. (1979). Clinical Trials of a New Anticancer Drug, 1-Hexylcarbamoyl-5-fluorouracil. Japanese Journal of Clinical Oncology. 7 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.

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