Osamu Kikuchi

4.3k total citations · 1 hit paper
237 papers, 3.2k citations indexed

About

Osamu Kikuchi is a scholar working on Organic Chemistry, Physical and Theoretical Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Osamu Kikuchi has authored 237 papers receiving a total of 3.2k indexed citations (citations by other indexed papers that have themselves been cited), including 95 papers in Organic Chemistry, 79 papers in Physical and Theoretical Chemistry and 62 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Osamu Kikuchi's work include Photochemistry and Electron Transfer Studies (57 papers), Advanced Chemical Physics Studies (54 papers) and Free Radicals and Antioxidants (29 papers). Osamu Kikuchi is often cited by papers focused on Photochemistry and Electron Transfer Studies (57 papers), Advanced Chemical Physics Studies (54 papers) and Free Radicals and Antioxidants (29 papers). Osamu Kikuchi collaborates with scholars based in Japan, United States and Romania. Osamu Kikuchi's co-authors include Kenji Morihashi, Ohgi Takahashi, Manabu Muto, Shinya Ohashi, Yusuke Amanuma, Shin’ichi Miyamoto, Tomoyuki Gotō, Toshio Watanabe, Hideo Togo and Gilles Klopman and has published in prestigious journals such as Journal of the American Chemical Society, Angewandte Chemie International Edition and The Journal of Chemical Physics.

In The Last Decade

Osamu Kikuchi

231 papers receiving 3.1k 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.

Recent Advances From Basic and Clinical Studies of Esophageal Squamous Cell Carcinoma

2015 416 citations Shinya Ohashi, Shin’ichi Miyamoto et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Osamu Kikuchi Japan	28	973	773	633	607	373	237	3.2k
Yoshito Takeuchi Japan	28	1.1k 1.1×	538 0.7×	161 0.3×	204 0.3×	298 0.8×	243	3.1k
Francis A. Carey United Kingdom	38	2.4k 2.5×	1.2k 1.6×	230 0.4×	313 0.5×	1.2k 3.1×	99	5.6k
Hiroshi Suzuki Japan	27	577 0.6×	465 0.6×	164 0.3×	467 0.8×	162 0.4×	188	2.8k
Yutaka Nagasawa Japan	35	574 0.6×	1.3k 1.7×	1.7k 2.7×	1.7k 2.7×	217 0.6×	121	4.2k
István Komáromi Hungary	21	931 1.0×	1.3k 1.7×	724 1.1×	389 0.6×	190 0.5×	75	4.1k
P. O’Neill United Kingdom	32	850 0.9×	2.6k 3.4×	336 0.5×	464 0.8×	488 1.3×	82	5.3k
Rita C. Guedes Portugal	32	974 1.0×	816 1.1×	261 0.4×	182 0.3×	279 0.7×	114	2.5k
Jerry Goodisman United States	35	649 0.7×	1.1k 1.5×	905 1.4×	406 0.7×	838 2.2×	179	4.1k
Tetsurou Handa Japan	31	719 0.7×	1.7k 2.3×	246 0.4×	129 0.2×	192 0.5×	116	3.2k
M. Raimondi Italy	29	259 0.3×	599 0.8×	1.2k 1.9×	387 0.6×	203 0.5×	80	2.4k

Countries citing papers authored by Osamu Kikuchi

Since Specialization

Citations

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

Fields of papers citing papers by Osamu Kikuchi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Osamu Kikuchi

This figure shows the co-authorship network connecting the top 25 collaborators of Osamu Kikuchi. A scholar is included among the top collaborators of Osamu Kikuchi 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 Osamu Kikuchi. Osamu Kikuchi 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

Kondo, Tomohiro, Osamu Kikuchi, Yoshihiro Yamamoto, et al.. (2024). Colorectal cancer harboring EGFR kinase domain duplication response to EGFR tyrosine kinase inhibitors. The Oncologist. 30(2). 1 indexed citations

Kondo, Tomohiro, Osamu Kikuchi, Yukie Nakai, et al.. (2024). Abstract 4659: A genome-wide CRISPR screen identifies ARID1A as a potential resistance marker of IDH1 inhibitor in IDH1-mutant cholangiocarcinoma cell. Cancer Research. 84(6_Supplement). 4659–4659.

Li, Tianxia, Osamu Kikuchi, Jin Zhou, et al.. (2023). Developing SHP2-based combination therapy for KRAS-amplified cancer. JCI Insight. 8(3). 7 indexed citations

Mori, Yukiko, Osamu Kikuchi, Takahiro Horimatsu, et al.. (2022). Multicenter phase II study of trifluridine/tipiracil for esophageal squamous carcinoma refractory/intolerant to 5-fluorouracil, platinum compounds, and taxanes: the ECTAS study. Esophagus. 19(3). 444–451. 2 indexed citations

Ohashi, Shinya, Takahisa Maruno, Osamu Kikuchi, et al.. (2021). Visceral fat obesity is the key risk factor for the development of reflux erosive esophagitis in 40–69-years subjects. Esophagus. 18(4). 889–899. 6 indexed citations

Ohashi, Shinya, Osamu Kikuchi, Yukie Nakai, et al.. (2020). Synthetic Lethality with Trifluridine/Tipiracil and Checkpoint Kinase 1 Inhibitor for Esophageal Squamous Cell Carcinoma. Molecular Cancer Therapeutics. 19(6). 1363–1372. 13 indexed citations

Sethi, Nilay S., Osamu Kikuchi, Matthew D. Stachler, et al.. (2020). Early TP53 alterations engage environmental exposures to promote gastric premalignancy in an integrative mouse model. Nature Genetics. 52(2). 219–230. 44 indexed citations

Sethi, Nilay S., Osamu Kikuchi, James M. McFarland, et al.. (2019). Mutant p53 induces a hypoxia transcriptional program in gastric and esophageal adenocarcinoma. JCI Insight. 4(15). 22 indexed citations

Kojima, Takashi, Haruo Kasai, Takahiro Tsushima, et al.. (2017). A phase II study of TAS-102 for advanced/recurrent esophageal cancer refractory/intolerable to standard therapies. Annals of Oncology. 28. v218–v218. 1 indexed citations

10.

Yoshioka, Masahiro, Shinya Ohashi, Yukie Nakai, et al.. (2017). Distinct effects of EGFR inhibitors on epithelial- and mesenchymal-like esophageal squamous cell carcinoma cells. Journal of Experimental & Clinical Cancer Research. 36(1). 101–101. 25 indexed citations

11.

Nishikawa, Yoshitaka, Hirokazu Higuchi, Osamu Kikuchi, et al.. (2016). Factors affecting dilation force in balloon dilation of severe esophageal strictures: an experiment using an artificial stricture model. Surgical Endoscopy. 30(10). 4315–4320. 1 indexed citations

12.

Yamada, Atsushi, Takahiro Horimatsu, Yoshinaga Okugawa, et al.. (2015). Serum miR-21, miR-29a, and miR-125b Are Promising Biomarkers for the Early Detection of Colorectal Neoplasia. Clinical Cancer Research. 21(18). 4234–4242. 131 indexed citations

13.

Amanuma, Yusuke, Shinya Ohashi, Yoshiro Itatani, et al.. (2015). Protective role of ALDH2 against acetaldehyde-derived DNA damage in oesophageal squamous epithelium. Scientific Reports. 5(1). 14142–14142. 35 indexed citations

14.

Morihashi, Kenji, et al.. (2005). 第一周期原子と二原子水素化物中のスピン密度の密度汎関数計算のLiu‐Parr‐Nagy解析. Journal of Molecular Structure. 722. 169–183. 1 indexed citations

15.

Islam, Md. Nazrul, Hiroshi Uyeda, Osamu Kikuchi, & Katsuhiro Kikuchi. (1998). Convective and Stratiform Components of Tropical Cloud Clusters in Determining Radar Adjusted Satellite Rainfall during the TOGA-COARE IOP. Hokkaido University Collection of Scholarly and Academic Papers (Hokkaido University). 11(1). 265–300. 5 indexed citations

16.

Ogawa, Yoshihiro, Osamu Takahashi, & Osamu Kikuchi. (1998). 溶液中のX3-(X=F,Cl,Br,I)の構造及び安定性のab initio分子軌道研究. Journal of Molecular Structure. 424(3). 285–292. 1 indexed citations

17.

Kikuchi, Osamu & Hiroshi Uyeda. (1996). Doppler Radar Observations on the Structure and Characteristics of Tropical Clouds during the TOGA-COARE IOP in Manus, Papua New Guinea : Characteristics of Cloud Clusters Analyzed with Doppler and GMS-IR Data. Hokkaido University Collection of Scholarly and Academic Papers (Hokkaido University). 10(1). 107–133. 2 indexed citations

18.

Kikuchi, Osamu, et al.. (1986). Determination of molecular structures of free radicals from ESR parameters.. NIPPON KAGAKU KAISHI. 1587–1593. 1 indexed citations

19.

Kikuchi, Osamu, et al.. (1986). Structural factors in effective charge model of solvent effect. Conformations of acetylcholine.. NIPPON KAGAKU KAISHI. 1409–1413. 2 indexed citations

20.

Kikuchi, Osamu, et al.. (1965). ESR Spectra of Free Radicals Produced from Oxidation Reactions of Aniline and its Derivatives with Benzoylperoxide. The Journal of the Society of Chemical Industry Japan. 68(8). 1527–1530. 1 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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