Takashi Ogata

4.1k total citations · 1 hit paper
213 papers, 2.2k citations indexed

About

Takashi Ogata is a scholar working on Pulmonary and Respiratory Medicine, Surgery and Oncology. According to data from OpenAlex, Takashi Ogata has authored 213 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 152 papers in Pulmonary and Respiratory Medicine, 106 papers in Surgery and 64 papers in Oncology. Recurrent topics in Takashi Ogata's work include Gastric Cancer Management and Outcomes (127 papers), Metastasis and carcinoma case studies (64 papers) and Esophageal Cancer Research and Treatment (57 papers). Takashi Ogata is often cited by papers focused on Gastric Cancer Management and Outcomes (127 papers), Metastasis and carcinoma case studies (64 papers) and Esophageal Cancer Research and Treatment (57 papers). Takashi Ogata collaborates with scholars based in Japan, United States and United Kingdom. Takashi Ogata's co-authors include Toru Aoyama, Takaki Yoshikawa, Haruhiko Cho, Tsutomu Hayashi, Takanobu Yamada, Yasushi Rino, Munetaka Masuda, Hirohito Fujikawa, Takashi Oshima and Tsutomu Sato and has published in prestigious journals such as Journal of Clinical Oncology, SHILAP Revista de lepidopterología and Gastroenterology.

In The Last Decade

Takashi Ogata

185 papers receiving 2.2k citations

Hit Papers

align trajectories

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.

A randomized controlled phase III trial comparing two chemotherapy regimen and chemoradiotherapy regimen as neoadjuvant treatment for locally advanced esophageal cancer, JCOG1109 NExT study.

2022 119 citations Ken Kato, Takashi Ogata et al. Journal of Clinical Oncology profile →

Peers

Countries citing papers authored by Takashi Ogata

Since Specialization

Citations

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

Fields of papers citing papers by Takashi Ogata

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Takashi Ogata

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

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Risk of Metastasis and Local Residual Cancer After Non‐Curative Endoscopic Submucosal Dissection for Esophageal Cancer 2025 ·Digestive Endoscopy ·Ryu Ishihara, (unknown), (unknown), Jun Nakamura, Takako Yoshii, Hiroshi Satō, Akira Nakano, Takashi Ogata, Yusuke Okuda, Kazuhiro Furukawa, Osamu Dohi, Koji Miyahara, Yoichi Hamai, Tomonori Yano, (unknown)	0
2	398P Nivolumab (NIVO) plus chemotherapy (chemo) or ipilimumab (IPI) vs chemo as first-line (1L) treatment for advanced esophageal squamous cell carcinoma (ESCC): Additional analysies from 45-month (mo) follow-up of CheckMate 648 2024 ·Annals of Oncology ·(unknown), Ian Chau, Jaffer A. Ajani, Yuko Kitagawa, (unknown), Lucjan Wyrwicz, (unknown), Takashi Ogata, (unknown), (unknown), (unknown), Maria Di Bartolomeo, Maria Ignez Braghiroli, Eva Holtved, Mariela Blum Murphy, (unknown), Nan Hu, Yasuhiro Matsumura, Koji Kato, Y. Doki	0
3	Breakfast Protein Intake of One-third of Daily Requirement Can Maintain Lean Body Mass Post-distal Gastrectomy 2024 ·In Vivo ·Shinsuke Nagasawa, Hiroki Akiyama, (unknown), (unknown), (unknown), (unknown), ITARU HASHIMOTO, (unknown), (unknown), Takanobu Yamada, Takashi Ogata, Norio Yukawa, Aya Saito, Takashi Oshima	0
4	A propensity‑matched analysis of the prognostic value of advanced lung cancer inflammation index in patients with gastric cancer after curative resection 2024 ·Oncology Letters ·ITARU HASHIMOTO, (unknown), (unknown), (unknown), Shinsuke Nagasawa, Yukio Maezawa, (unknown), Toru Aoyama, Takanobu Yamada, Takashi Ogata, Norio Yukawa, Yasushi Rino, Aya Saito, Takashi Oshima	2
5	Clinical Impact of the C-reactive Protein-albumin-lymphocyte Index in Post-gastrectomy Patients With Gastric Cancer 2024 ·In Vivo ·ITARU HASHIMOTO, (unknown), (unknown), (unknown), Shinsuke Nagasawa, Yukio Maezawa, (unknown), Toru Aoyama, Takanobu Yamada, Norio Yukawa, Takashi Ogata, Yasushi Rino, Aya Saito, Takashi Oshima	10
6	Nivolumab (NIVO) plus chemotherapy (chemo) or ipilimumab (IPI) vs chemo as first-line (1L) treatment for advanced esophageal squamous cell carcinoma (ESCC): 45-month (mo) follow-up from CheckMate 648. 2024 ·Journal of Clinical Oncology ·Ian Chau, Jaffer A. Ajani, Yuko Kitagawa, Jianming Xu, Lucjan Wyrwicz, Satoru Motoyama, Takashi Ogata, Hisato Kawakami, Chih‐Hung Hsu, Antoine Adenis, Farid El Hajbi, Maria Di Bartolomeo, Maria Ignez Braghiroli, Eva Holtved, Mariela A. Blum Murphy, Raheel Nathani, Nan Hu, Yasuhiro Matsumura, (unknown), Yuichiro� Doki	0
7	1562P Claudin 18.2 expression in resected gastric cancer 2023 ·Annals of Oncology ·(unknown), (unknown), Shinya Sato, (unknown), Takashi Hama, (unknown), Kunihiko Hayashi, (unknown), (unknown), (unknown), Shinsuke Nagasawa, Ken Kanematsu, Takanobu Yamada, Takashi Ogata, Takashi Oshima, Yohei Miyagi, Tomoyuki Yokose, Nozomu Machida, Junji Furuse	3
8	Evaluation of Irinotecan and Trifluridine/Tipiracil as Fourth-line Treatments After Third-line Nivolumab for Advanced Gastric Cancer 2023 ·Anticancer Research ·Kei Hayashi, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), ITARU HASHIMOTO, (unknown), Shinsuke Nagasawa, (unknown), Takanobu Yamada, Akifumi Notsu, Takashi Ogata, Takashi Oshima, Nozomu Machida, Junji Furuse, Shin Maeda	0
9	Clinicopathological Characteristics and Prognosis of Mucinous Gastric Cancer 2023 ·Anticancer Research ·KEISUKE KOMORI, Kazuki Kano, (unknown), (unknown), (unknown), Yukio Maezawa, Hirohito Fujikawa, Sho Sawazaki, Masakatsu Numata, Toru Aoyama, Takanobu Yamada, Hiroshi Tamagawa, Norio Yukawa, Yasushi Rino, Takashi Ogata, Takashi Oshima	0
10	Asialoglycoprotein Receptor 2 Expression in Patients With Locally Advanced Gastric Cancer After Curative Resection 2023 ·Anticancer Research ·Takashi Oshima, ITARU HASHIMOTO, (unknown), Yayoi Kimura, (unknown), (unknown), Shinsuke Nagasawa, (unknown), Toru Aoyama, Takanobu Yamada, Takashi Ogata, Yasushi Rino, Aya Saito, (unknown)	1
11	Should the splenic hilar lymph node be dissected for the management of adenocarcinoma of the esophagogastric junction? 2022 ·European Journal of Surgical Oncology ·(unknown), Shinichi Hasegawa, Tsutomu Hayashi, Takanobu Yamada, (unknown), Kentaro Hara, (unknown), (unknown), Shinsuke Nagasawa, Yasushi Rino, Munetaka Masuda, Takashi Ogata, Takashi Oshima, Takaki Yoshikawa	0
12	Second-line pembrolizumab versus chemotherapy in Japanese patients with advanced esophageal cancer: subgroup analysis from KEYNOTE-181 2021 ·Esophagus ·Kei Muro, Takashi Kojima, Toshikazu Moriwaki, Ken Kato, Fumio Nagashima, Hisato Kawakami, Ryu Ishihara, Takashi Ogata, Taroh Satoh, (unknown), (unknown), (unknown), (unknown), Pooja Bhagia, Toshihiko Doi	11
13	An easy and reliable method to close Petersen's defect using barbed suture to prevent internal hernia from developing after gastrectomy with Roux‐en‐Y reconstruction 2019 ·Asian Journal of Endoscopic Surgery ·Kentaro Hara, Tsutomu Hayashi, (unknown), Shinsuke Nagasawa, (unknown), (unknown), Takanobu Yamada, Naoto Yamamoto, Manabu Shiozawa, Soichiro Morinaga, Takaki Yoshikawa, Yasushi Rino, Munetaka Masuda, Takashi Ogata, Takashi Oshima	3
14	Does a laparoscopic approach attenuate the body weight loss and lean body mass loss observed in open distal gastrectomy for gastric cancer? a single-institution exploratory analysis of the JCOG 0912 phase III trial 2017 ·Gastric Cancer ·Toru Aoyama, Tsutomu Sato, Tsutomu Hayashi, Takanobu Yamada, Haruhiko Cho, Takashi Ogata, Koji Oba, Takaki Yoshikawa	14
15	[A Case of HER-2 Positive Advanced Gastric Cancer Responding to Capecitabine＋Cisplatin＋Trastuzumab Chemotherapy]. 2015 ·PubMed ·Kenki Segami, Tsutomu Sato, Taiichi Kawabe, (unknown), (unknown), Takashi Oshima, Yasushi Rino, Munetaka Masuda, Takashi Ogata, Haruhiko Cho, Takaki Yoshikawa	1
16	[Effect of enteral nutrition enriched with eicosapentaenoic acid on body weight loss and compliance with S-1 adjuvant chemotherapy after gastric cancer surgery]. 2013 ·PubMed ·Toru Aoyama, Tsutomu Hayashi, Hirohito Fujikawa, Takashi Ogata, Haruhiko Cho, Hiroo Wada, (unknown), Norio Yukawa, Takashi Oshima, Yasushi Rino, (unknown), Munetaka Masuda, Takaki Yoshikawa	5
17	TUBE FEET'S ADHESIVE STRENGTH OF SEA CUCUMBER SEEDINGS AND THEIR CURRENT FLOW RESISTANCE 2011 ·Journal of Japan Society of Civil Engineers Ser B3 (Ocean Engineering) ·(unknown), Soichiro Sato, (unknown), Takashi Ogata	2
18	A Case of Meckel's Diverticulitis with True Enterolith 2007 ·The Japanese Journal of Gastroenterological Surgery ·Yoshihiro Yasuda, Makoto Takagi, Takashi Ogata, Hiroshi Yamada, Yoshiaki Suzuki, Fumiaki Kato, (unknown), Toshiaki Aoki, Akihiko Tsuchida, Tatsuya Aoki	7
19	A Case of Portal Vein Stenting for Portal Vein Stenosis after Pancreatoduodenectomy 2006 ·The Japanese Journal of Gastroenterological Surgery ·Yoshihiro Yasuda, Fumiaki Kato, Yoshiaki Suzuki, Takashi Ogata, Makoto Takagi, (unknown), Toshiaki Aoki, (unknown), Akihiko Tsuchida, Tatsuya Aoki	8
20	Effects of the Aestivation on the Feeding and Reproductive Activities of the Viburnum Leaf Beetle, Pyrrhalta humeralis CHEN (Coleoptera : Chrysomelidae) 1983 ·Japanese Journal of Applied Entomology and Zoology ·Takashi Ogata, (unknown), (unknown), Mitsuhiro Sasakawa	2

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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