Motoharu Ohi

3.7k total citations · 1 hit paper
65 papers, 2.6k citations indexed

About

Motoharu Ohi is a scholar working on Pulmonary and Respiratory Medicine, Physiology and Endocrine and Autonomic Systems. According to data from OpenAlex, Motoharu Ohi has authored 65 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 35 papers in Pulmonary and Respiratory Medicine, 31 papers in Physiology and 19 papers in Endocrine and Autonomic Systems. Recurrent topics in Motoharu Ohi's work include Obstructive Sleep Apnea Research (26 papers), Respiratory Support and Mechanisms (22 papers) and Neuroscience of respiration and sleep (17 papers). Motoharu Ohi is often cited by papers focused on Obstructive Sleep Apnea Research (26 papers), Respiratory Support and Mechanisms (22 papers) and Neuroscience of respiration and sleep (17 papers). Motoharu Ohi collaborates with scholars based in Japan, United States and Greece. Motoharu Ohi's co-authors include Kazuo Chin, Michiaki Mishima, Harumi Itoh, Takaya Nakamura, Takashi Nakamura, Kouichi Shimizu, Arata Azuma, Shosaku Abe, Atsuhiko Sato and Sonoko Nagai and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Circulation and American Journal of Respiratory and Critical Care Medicine.

In The Last Decade

Motoharu Ohi

64 papers receiving 2.5k 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.

Double-blind, Placebo-controlled Trial of Pirfenidone in Patients with Idiopathic Pulmonary Fibrosis

2005 681 citations Arata Azuma, Toshihiro Nukiwa et al. American Journal of Respiratory and Critical Care Medicine profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Motoharu Ohi Japan	21	1.6k	1.4k	803	221	214	65	2.6k
Brian D. Kent United Kingdom	29	1.1k 0.7×	2.0k 1.4×	849 1.1×	145 0.7×	156 0.7×	86	2.5k
Gonzalo Labarca Chile	25	1.0k 0.6×	1.0k 0.7×	646 0.8×	104 0.5×	95 0.4×	125	1.9k
Fahad Aziz United States	14	681 0.4×	1.7k 1.2×	1.2k 1.5×	170 0.8×	278 1.3×	67	2.6k
Joseph A. Golish United States	24	846 0.5×	676 0.5×	313 0.4×	145 0.7×	154 0.7×	63	1.5k
Octavian C. Ioachimescu United States	21	751 0.5×	574 0.4×	296 0.4×	109 0.5×	67 0.3×	60	1.3k
Jean‐Benoît Martinot Belgium	21	1.1k 0.7×	914 0.6×	397 0.5×	55 0.2×	154 0.7×	70	1.6k
Sang Yeub Lee South Korea	22	691 0.4×	573 0.4×	297 0.4×	109 0.5×	370 1.7×	99	1.6k
Manuel Sánchez‐de‐la‐Torre Spain	31	1.5k 1.0×	3.4k 2.4×	2.3k 2.9×	125 0.6×	393 1.8×	145	4.0k
J. Villamor Spain	20	927 0.6×	995 0.7×	632 0.8×	83 0.4×	327 1.5×	62	1.7k
Xavier Soler United States	19	683 0.4×	592 0.4×	253 0.3×	120 0.5×	129 0.6×	66	1.5k

Countries citing papers authored by Motoharu Ohi

Since Specialization

Citations

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

Fields of papers citing papers by Motoharu Ohi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Motoharu Ohi

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

Tsuboi, Tomomasa, Toru Oga, Kensuke Sumi, et al.. (2014). The Importance of Controlling P _{aCO ₂} Throughout Long-Term Noninvasive Ventilation. Respiratory Care. 59(11). 1671–1678. 8 indexed citations

Hirayama, Akihide, Masahiro Tanaka, Mitsutaka Taniguchi, et al.. (2014). The Impact of Obstructive Sleep Apnea Syndrome on Nocturnal Urine Production in Older Men With Nocturia. Urology. 84(4). 892–897. 16 indexed citations

Tsuboi, Tomomasa, Toru Oga, Kazuko Machida, et al.. (2011). PaCO2 Six months after the Initiation of Long-term Noninvasive Ventilation in Patients with COPD. Internal Medicine. 50(6). 563–570. 7 indexed citations

Okura, Mutsumi, et al.. (2011). Obstructive sleep apnea syndrome aggravated propriospinal myoclonus at sleep onset. Sleep Medicine. 13(1). 111–114. 5 indexed citations

Tsuboi, Tomomasa, Toru Oga, Kazuko Machida, et al.. (2009). Importance of ventilator mode in long-term noninvasive positive pressure ventilation. Respiratory Medicine. 103(12). 1854–1861. 14 indexed citations

Tsuboi, Tomomasa, Kazuo Chin, Kazuko Machida, & Motoharu Ohi. (2006). [Noninvasive positive pressure ventilation in patients with acute exacerbations of pulmonary tuberculosis sequelae].. PubMed. 44(3). 160–7. 1 indexed citations

Azuma, Arata, Toshihiro Nukiwa, Eiyasu Tsuboi, et al.. (2005). Double-blind, Placebo-controlled Trial of Pirfenidone in Patients with Idiopathic Pulmonary Fibrosis. American Journal of Respiratory and Critical Care Medicine. 171(9). 1040–1047. 681 indexed citations breakdown →

Chin, Kazuo, Michiaki Mishima, & Motoharu Ohi. (2003). Noninvasive Positive Pressure Ventilation (NPPV) in acute respiratory failure. 62(4). 324–332. 2 indexed citations

Nakamura, Takaya, Takaya Nakamura, Kazuo Chin, et al.. (2001). Acute Effect of Nasal Continuous Positive Airway Pressure Therapy on the Systemic Immunity of Patients with Obstructive Sleep Apnea Syndrome. SLEEP. 24(5). 545–553. 12 indexed citations

10.

Chin, Kazuo, Takaya Nakamura, Kouichi Shimizu, et al.. (2000). Effects of nasal continuous positive airway pressure on soluble cell adhesion molecules in patients with obstructive sleep apnea syndrome. The American Journal of Medicine. 109(7). 562–567. 174 indexed citations

11.

Mishima, Michiaki, Harumi Itoh, Yasutaka Nakano, et al.. (1999). Optimized Scanning Conditions of High Resolution CT in the Follow-Up of Pulmonary Emphysema. Journal of Computer Assisted Tomography. 23(3). 380–384. 46 indexed citations

12.

Mishima, Michiaki, Toyohiro Hirai, Harumi Itoh, et al.. (1999). Complexity of terminal airspace geometry assessed by lung computed tomography in normal subjects and patients with chronic obstructive pulmonary disease. Proceedings of the National Academy of Sciences. 96(16). 8829–8834. 279 indexed citations

13.

Kita, Hideo, Motoharu Ohi, Kazuo Chin, et al.. (1998). The nocturnal secretion of cardiac natriuretic peptides during obstructive sleep apnoea and its response to therapy with nasal continuous positive airway pressure. Journal of Sleep Research. 7(3). 199–207. 85 indexed citations

14.

Noguchi, Tetsuo, Kazuo Chin, Motoharu Ohi, et al.. (1997). Heat Shock Protein 72 Level Decreases During Sleep in Patients With Obstructive Sleep Apnea Syndrome. American Journal of Respiratory and Critical Care Medicine. 155(4). 1316–1322. 29 indexed citations

15.

Chin, Kazuo, Motoharu Ohi, Hideo Kita, et al.. (1996). Effects of NCPAP Therapy on Fibrinogen Levels in Obstructive Sleep Apnea Syndrome. American Journal of Respiratory and Critical Care Medicine. 153(6). 1972–1976. 190 indexed citations

16.

Hirai, Toyohiro, Masanori Hosokawa, Yasutaka Takubo, et al.. (1995). Age-related changes in the static and dynamic mechanical properties of mouse lungs. Respiration Physiology. 102(2-3). 195–203. 18 indexed citations

17.

Ohi, Motoharu, Kazuo Chin, M. Hirai, et al.. (1994). Oxygen Desaturation Following Voluntary Hyperventilation In Normal Subjects. American Journal of Respiratory and Critical Care Medicine. 149(3). 731–738. 17 indexed citations

18.

Oku, Yoshitaka, et al.. (1992). Dynamic control of breathing during exercise and hypercapnia. Medical & Biological Engineering & Computing. 30(1). 51–56. 3 indexed citations

19.

Chin, Kazuo, et al.. (1992). [Therapy and clinical symptoms in patients with obstructive sleep apnea in Japan].. PubMed. 30(2). 270–7. 2 indexed citations

20.

Saito, Yoshihiko, Kazuwa Nakao, Akira Sugawara, et al.. (1987). Atrial natriuretic polypeptide during exercise in healthy man. European Journal of Endocrinology. 116(1). 59–65. 39 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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