Chikara Endo

893 total citations · 1 hit paper
19 papers, 662 citations indexed

About

Chikara Endo is a scholar working on Pulmonary and Respiratory Medicine, Pediatrics, Perinatology and Child Health and Endocrine and Autonomic Systems. According to data from OpenAlex, Chikara Endo has authored 19 papers receiving a total of 662 indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Pulmonary and Respiratory Medicine, 4 papers in Pediatrics, Perinatology and Child Health and 4 papers in Endocrine and Autonomic Systems. Recurrent topics in Chikara Endo's work include Neonatal Respiratory Health Research (6 papers), Neuroscience of respiration and sleep (4 papers) and Neonatal and fetal brain pathology (2 papers). Chikara Endo is often cited by papers focused on Neonatal Respiratory Health Research (6 papers), Neuroscience of respiration and sleep (4 papers) and Neonatal and fetal brain pathology (2 papers). Chikara Endo collaborates with scholars based in Japan and United States. Chikara Endo's co-authors include Hitoshi Ohto, Nobuhiko Sasaki, Akira Matsui, Kunihiko Hino, Hiroaki Okamoto, Chieko Ishiwata, Sousuke Terazawa, Shunji Mishiro, Niro Ujiie and Makoto Kako and has published in prestigious journals such as New England Journal of Medicine, Langmuir and Chemical Communications.

In The Last Decade

Chikara Endo

19 papers receiving 635 citations

Hit Papers

Transmission of Hepatitis C Virus from Mothers to Infants 1994 2026 2004 2015 1994 100 200 300 400
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.

  1. Transmission of Hepatitis C Virus from Mothers to Infants
    1994 473 citations Hitoshi Ohto, Sousuke Terazawa et al. New England Journal of Medicine profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Chikara Endo Japan 9 468 467 63 42 38 19 662
H Aoyama Japan 11 108 0.2× 78 0.2× 29 0.5× 30 0.7× 8 0.2× 38 372
Ka Wang Cheung China 15 295 0.6× 229 0.5× 75 1.2× 132 3.1× 8 0.2× 87 807
Ko Ko Japan 14 321 0.7× 259 0.6× 98 1.6× 23 0.5× 5 0.1× 64 631
Tetsuya Yamaguchi Japan 13 232 0.5× 130 0.3× 16 0.3× 14 0.3× 3 0.1× 38 510
Anne Isabelle François France 9 103 0.2× 63 0.1× 17 0.3× 133 3.2× 3 0.1× 15 470
Naglaa Arafa Egypt 10 247 0.5× 269 0.6× 26 0.4× 19 0.5× 55 1.4× 18 397
Helen Stunell Ireland 9 73 0.2× 37 0.1× 32 0.5× 108 2.6× 33 0.9× 19 441
R. Kashyap United States 14 184 0.4× 293 0.6× 36 0.6× 16 0.4× 3 0.1× 32 605
Jorge Benetucci Argentina 15 184 0.4× 58 0.1× 417 6.6× 10 0.2× 34 0.9× 35 646
Y.A.S. Sens Brazil 11 91 0.2× 40 0.1× 68 1.1× 19 0.5× 42 1.1× 15 379

Countries citing papers authored by Chikara Endo

Since Specialization
Citations

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

Fields of papers citing papers by Chikara Endo

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Chikara Endo

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

All Works

19 of 19 papers shown
1.
Fujimori, Keiya, et al.. (2008). Stress Hormone Responses During 24-Hour Hypoxemia in Preterm Goat Fetus. The Tohoku Journal of Experimental Medicine. 215(2). 189–197. 3 indexed citations
2.
Endo, Chikara, et al.. (1999). Endocrinological and biophysical responses to further reduction in oxygenation following sustained hypoxemia in fetal goats. The Journal of Maternal-Fetal Medicine. 8(4). 184–189. 1 indexed citations
3.
Masuyama, Araki, et al.. (1999). Ozone-Cleavable Gemini Surfactants. Their Surface-Active Properties, Ozonolysis, and Biodegradability. Langmuir. 16(2). 368–373. 33 indexed citations
4.
Masuyama, Araki, et al.. (1998). Ozone-cleavable gemini surfactants, a new candidate for an environmentally friendly surfactant. Chemical Communications. 2023–2024. 11 indexed citations
5.
Umenai, Takusei, Chuichi Itoh, Osamu Nakagomi, et al.. (1996). Detection of HIV-l and HIV-2 Antibodies among Chlamydia trachomatzs Infected Pregnant Women in Japan.. The Tohoku Journal of Experimental Medicine. 178(4). 447–450. 3 indexed citations
6.
7.
Ibara, Satoshi, et al.. (1995). Effects of Extracorporeal Membrane Oxygenation (ECMO) on Fetal Lambs. The Journal of Maternal-Fetal & Neonatal Medicine. 4(3). 85–90. 6 indexed citations
8.
Ohto, Hitoshi, Sousuke Terazawa, Nobuhiko Sasaki, et al.. (1994). Transmission of Hepatitis C Virus From Mothers to Infants. Obstetrical & Gynecological Survey. 49(8). 536–537. 54 indexed citations
9.
Ohto, Hitoshi, Sousuke Terazawa, Nobuhiko Sasaki, et al.. (1994). Transmission of Hepatitis C Virus from Mothers to Infants. New England Journal of Medicine. 330(11). 744–750. 473 indexed citations breakdown →
10.
Fujimori, Keiya, et al.. (1994). Endocrinologic and biophysical responses to prolonged (24-hour) hypoxemia in fetal goats. American Journal of Obstetrics and Gynecology. 171(2). 470–477. 10 indexed citations
11.
Suzuki, Yosuke, et al.. (1993). The influence of prostaglandins on the contractile response to electrical field stimulation in rabbit myometrial and cervical smooth muscles. European Journal of Pharmacology. 230(3). 341–348. 6 indexed citations
12.
Suzuki, Yosuke, et al.. (1993). Pharmacological Characteristics of Contractile Responses of Rabbit Uterine Cervices to Electrical Field Stimulation. Asia-Oceania Journal of Obstetrics and Gynaecology. 19(2). 223–229. 1 indexed citations
13.
Hoshi, Kazuhiko, et al.. (1993). Induction of the acrosome reaction in human spermatozoa by human zona pellucida and effect of cervical mucus on zona-induced acrosome reaction. Fertility and Sterility. 60(1). 149–153. 21 indexed citations
14.
Suzuki, Yosuke, et al.. (1993). Prostaglandins Biosynthesis in the Rabbit Uterine Cervix at Various Stages of Pregnancy. Asia-Oceania Journal of Obstetrics and Gynaecology. 19(4). 433–439. 1 indexed citations
15.
Hoshi, Kazuhiro, et al.. (1993). Wound Healing Process in the Portio Vaginalis Uteri after CO2-Laser Treatment.. The Tohoku Journal of Experimental Medicine. 170(3). 135–146. 1 indexed citations
16.
Akagi, Kozo, et al.. (1988). The slope of fetal heart rate deceleration is predictive of fetal condition during repeated umbilical cord compression in sheep. American Journal of Obstetrics and Gynecology. 159(2). 516–522. 20 indexed citations
17.
Saito, Junya, Kunihiro Okamura, Kozo Akagi, et al.. (1988). Alteration of FHR pattern associated with progressively advanced fetal acidemia caused by cord compression.. PubMed. 40(6). 775–80. 8 indexed citations
18.
Sato, Akira, Masafumi Noda, Chikara Endo, et al.. (1985). Early Neonatal, Neonatal, and Infantile Mortality Risk by Birth Weight and Gestational Age. Asia-Oceania Journal of Obstetrics and Gynaecology. 11(4). 469–475. 1 indexed citations
19.
Sato, Akira, Chikara Endo, Junya Saito, et al.. (1985). A method for making chronic fetal preparation in the lamb: Results of 4 year's experiences.. The Tohoku Journal of Experimental Medicine. 147(2). 157–168. 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by H Aoyama Breakdown of academic impact, for papers by Ka Wang Cheung Breakdown of academic impact, for papers by Ko Ko Breakdown of academic impact, for papers by Tetsuya Yamaguchi Breakdown of academic impact, for papers by Anne Isabelle François Breakdown of academic impact, for papers by Naglaa Arafa Breakdown of academic impact, for papers by Helen Stunell Breakdown of academic impact, for papers by R. Kashyap Breakdown of academic impact, for papers by Jorge Benetucci Breakdown of academic impact, for papers by Y.A.S. Sens
Rankless by CCL
2026