Hiroshi Okamoto

11.2k total citations · 2 hit papers
243 papers, 8.0k citations indexed

About

Hiroshi Okamoto is a scholar working on Surgery, Molecular Biology and Oncology. According to data from OpenAlex, Hiroshi Okamoto has authored 243 papers receiving a total of 8.0k indexed citations (citations by other indexed papers that have themselves been cited), including 96 papers in Surgery, 45 papers in Molecular Biology and 41 papers in Oncology. Recurrent topics in Hiroshi Okamoto's work include Pancreatic function and diabetes (35 papers), Calcium signaling and nucleotide metabolism (32 papers) and Esophageal and GI Pathology (25 papers). Hiroshi Okamoto is often cited by papers focused on Pancreatic function and diabetes (35 papers), Calcium signaling and nucleotide metabolism (32 papers) and Esophageal and GI Pathology (25 papers). Hiroshi Okamoto collaborates with scholars based in Japan, United States and Russia. Hiroshi Okamoto's co-authors include Shin Takasawa, Hiroshi Yamamoto, Yasuko Uchigata, Ichiro Kato, Yasuhiko Yamamoto, Shigeki Momohara, Hisashi Yamanaka, Hideto Yonekura, Naoyuki Kamatani and Takuo Watanabe and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Hiroshi Okamoto

227 papers receiving 7.8k 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.

Novel splice variants of the receptor for advanced glycation end-products expressed in human vascular endothelial cells and pericytes, and their putative roles in diabetes-induced vascular injury

2003 594 citations Shin Takasawa, Hiroshi Okamoto et al. profile →
Streptozotocin and alloxan induce DNA strand breaks and poly(ADP–ribose) synthetase in pancreatic islets

1981 444 citations Hiroshi Okamoto et al. profile →

Peers

Countries citing papers authored by Hiroshi Okamoto

Since Specialization

Citations

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

Fields of papers citing papers by Hiroshi Okamoto

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hiroshi Okamoto

This figure shows the co-authorship network connecting the top 25 collaborators of Hiroshi Okamoto. A scholar is included among the top collaborators of Hiroshi Okamoto 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 Hiroshi Okamoto. Hiroshi Okamoto 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	Histopathological study of the localization/distribution of Fusobacterium nucleatum in esophageal cancer 2025 ·Pathology International ·(unknown), Fumiyoshi Fujishima, Hirotaka Ishida, Yusuke Taniyama, Yohei Ozawa, Tomohiro Nakamura, Naoki Nakaya, Chiaki Sato, Hiroshi Okamoto, (unknown), (unknown), (unknown), Takashi Kamei, Takashi Suzuki	2
2	Prevention and Management of Recurrent Laryngeal Nerve Palsy in Minimally Invasive Esophagectomy: Current Status and Future Perspectives 2024 ·Journal of Clinical Medicine ·Yusuke Taniyama, Hiroshi Okamoto, Chiaki Sato, Yohei Ozawa, Hirotaka Ishida, Michiaki Unno, Takashi Kamei	1
3	Future Vision of Electric Power System and Social Co-creation Created by Smart Resilience Network for Achieving Carbon-neutral and Improving Resilience 2021 ·The Journal of the Institute of Electrical Engineers of Japan ·Hiroshi Okamoto, (unknown)	0
4	Thoracoscopic esophagectomy for esophageal carcinoma after peroral endoscopic myotomy for esophageal achalasia: a case report 2021 ·SHILAP Revista de lepidopterología ·(unknown), Yusuke Taniyama, Fumiyoshi Fujishima, Chiaki Sato, Hiroshi Okamoto, Toshiaki Fukutomi, Yohei Ozawa, (unknown), (unknown), (unknown), Makoto Horiuchi, (unknown), (unknown), Michiaki Unno, Takashi Kamei	0
5	Exploratory study of clinical effectiveness and safety of TJ-116 bukuryoingohangekobokuto for anxiety and postoperative water brash in esophageal cancer patients (TJ116E) 2020 ·Medicine ·Ryutaro Arita, Shin Takayama, Hiroshi Okamoto, (unknown), Yusuke Taniyama, (unknown), Rie Ono, Satoko Suzuki, Takashi Kamei, Tadashi Ishii	2
6	Different strategy of salvage esophagectomy between residual and recurrent esophageal cancer after definitive chemoradiotherapy 2018 ·Journal of Thoracic Disease ·Yusuke Taniyama, Tadashi Sakurai, Takahiro Heishi, Hiroshi Okamoto, Chiaki Sato, (unknown), (unknown), Hirotaka Ishida, Michiaki Unno, Takashi Kamei	15
7	A Case of Two Barrett Esophageal Adenocarcinomas Arising in a Long-segment Barrett Esophagus and Esophagogastric Junction Adenocarcinoma 2014 ·The Japanese Journal of Gastroenterological Surgery ·Yohei Ozawa, Fumiyoshi Fujishima, Hiroshi Okamoto, (unknown), Go Miyata, Takashi Kamei, Noriaki Ohuchi, Hironobu Sasano	0
8	A Large Cell Neuroendocrine Carcinoma of the Esophagus 2012 ·The Japanese Journal of Gastroenterological Surgery ·Hiroshi Okamoto, Fumiyoshi Fujishima, Atsuko Kasajima, Go Miyata, Ko Onodera, Takashi Kamei, (unknown), (unknown), Susumu Satomi, Hironobu Sasano	2
9	A Case of Esophageal Carcinoma in the Middle Thoracic Esophagus withThree Components; Squamous Cell Carcinoma, Adenocarcinoma, andBasaloid-Squamous Carcinoma 2012 ·The Japanese Journal of Gastroenterological Surgery ·(unknown), Fumiyoshi Fujishima, Hiroshi Okamoto, Takashi Kamei, Go Miyata, Hironobu Sasano, Susumu Satomi	1
10	A CASE OF CARCINOMA OF THE TRANSVERSE COLON ASSOCIATED WITH A DUODENOCOLIC FISTULA WITH LONG-TERM SURVIVAL 2011 ·Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association) ·Hiroshi Okamoto, (unknown), Kenichi Yokota, (unknown), Hironobu Sasano	0
11	Anti-Inflammatory Activity of PYNOD and Its Mechanism in Humans and Mice 2010 ·The Journal of Immunology ·Ryu Imamura, Yetao Wang, Takeshi Kinoshita, Misao Suzuki, Tetsuo Noda, Junji Sagara, Shun’ichiro Taniguchi, Hiroshi Okamoto, Takashi Suda	78
12	Neural-specific ablation of the scaffold protein JSAP1 in mice causes neonatal death 2009 ·Kanazawa University Repository for Academic Resources (DSpace) (Kanazawa University) ·(unknown), (unknown), Kazushi Sugihara, Atsushi Hirao, Nobuyuki Takakura, Hiroshi Okamoto, Masahide Asano, Katsuji Yoshioka	10
13	IP Receptor Agonist–Induced DNA Synthesis and Proliferation in Primary Cultures of Adult Rat Hepatocytes: the Involvement of Endogenous Transforming Growth Factor-α 2009 ·Journal of Pharmacological Sciences ·Mitsutoshi Kimura, Hiroshi Okamoto, Hideshi Natsume, Masahiko Ogihara	10
14	Molecular aspects of rheumatoid arthritis: role of environmental factors 2008 ·FEBS Journal ·Shu Kobayashi, Shigeki Momohara, Naoyuki Kamatani, Hiroshi Okamoto	31
15	Spontaneous multiple insufficiency fractures after pelvic abscess and sepsis in a rheumatoid arthritis patient treated with high-load corticosteroid therapy: a case report 2007 ·Clinical Rheumatology ·Takeshi Mochizuki, Shigeki Momohara, Katsunori Ikari, (unknown), So Tsukahara, Takuji Iwamoto, Shu Kobayashi, Hiroshi Okamoto, Kazumasa Nishimoto, Taisuke Tomatsu	3
16	Activation of the Reg family genes by pancreatic-specific IGF-I gene deficiency and after streptozotocin-induced diabetes in mouse pancreas 2006 ·American Journal of Physiology-Endocrinology and Metabolism ·Yarong Lu, (unknown), Hiroshi Okamoto, Shin Takasawa, Pedro L. Herrera, Jun‐Li Liu	47
17	Recent trend in the onset age of gouty arthritis in Japan 2004 ·Eiichi Tanaka, Hisashi Yamanaka, Akira Shoji, Tōru Yamada, Wako Urano, Hiroshi Nakajima, Hiroshi Okamoto, Ayako Nakajima, Atsuo Taniguchi, (unknown), Terunobu Saito, Naoyuki Kamatani	1
18	Cyclic ADP-ribose modulates Ca2+ release channels for activation by physiological Ca2+ entry in bullfrog sympathetic neurons 1994 ·Neuron ·(unknown), Takayuki Tokimasa, Shin Takasawa, (unknown), Mitsuo Nohmi, Hiroshi Okamoto, Kenji Kuba	128
19	A Completely Resected Case of Intraduodenal Malignant Gastrinoma by Utilizing Selective Arterial Secretin Injection Test and Intra-operative Secretin Test 1991 ·The Japanese Journal of Gastroenterological Surgery ·Chikashi Shibata, Iwao Sasaki, Hiroo Naito, Yuji Funayama, Yasuhiko Kamiyama, (unknown), (unknown), (unknown), Takashi Doi, (unknown), (unknown), (unknown), (unknown), Taisuke Nomura, Michiaki Unno, Hiroshi Okamoto	1
20	T-kininogen as an acute phase reactant identical with plasma thiol proteinase inhibitor in rat adjuvant arthritis. 1986 ·Ensho ·Hiroshi Okamoto, (unknown), (unknown)	1

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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