Takafumi Hara

4.6k total citations · 2 hit papers
60 papers, 3.0k citations indexed

About

Takafumi Hara is a scholar working on Molecular Biology, Nutrition and Dietetics and Electrical and Electronic Engineering. According to data from OpenAlex, Takafumi Hara has authored 60 papers receiving a total of 3.0k indexed citations (citations by other indexed papers that have themselves been cited), including 19 papers in Molecular Biology, 16 papers in Nutrition and Dietetics and 16 papers in Electrical and Electronic Engineering. Recurrent topics in Takafumi Hara's work include Receptor Mechanisms and Signaling (15 papers), Electric Motor Design and Analysis (14 papers) and Magnetic Bearings and Levitation Dynamics (12 papers). Takafumi Hara is often cited by papers focused on Receptor Mechanisms and Signaling (15 papers), Electric Motor Design and Analysis (14 papers) and Magnetic Bearings and Levitation Dynamics (12 papers). Takafumi Hara collaborates with scholars based in Japan, South Korea and Germany. Takafumi Hara's co-authors include Akira Hirasawa, Gozoh Tsujimoto, Atsuhiko Ichimura, Ikuo Kimura, Satoshi Miyauchi, Toshiyuki Fukada, Teruhisa Takagishi, Makio Kobayashi, Daisuke Inoue and Takeshi Maeda and has published in prestigious journals such as Proceedings of the National Academy of Sciences, PLoS ONE and Scientific Reports.

In The Last Decade

Takafumi Hara

54 papers receiving 3.0k 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.

Short-chain fatty acids and ketones directly regulate sympathetic nervous system via G protein-coupled receptor 41 (GPR41)

2011 820 citations Ikuo Kimura, Takafumi Hara et al. profile →
Physiological roles of zinc transporters: molecular and genetic importance in zinc homeostasis

2017 343 citations Takafumi Hara, Teruhisa Takagishi et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Takafumi Hara Japan	22	1.5k	947	822	537	516	60	3.0k
Silvia M. Arribas Spain	36	704 0.5×	526 0.6×	936 1.1×	652 1.2×	295 0.6×	145	3.9k
Jonathan D. Kaunitz United States	39	1.8k 1.2×	868 0.9×	699 0.9×	1.3k 2.3×	404 0.8×	180	4.5k
Arunabh Bhattacharya United States	35	1.7k 1.1×	1.1k 1.2×	1.1k 1.4×	280 0.5×	192 0.4×	72	3.8k
Gabriel Fernandes United States	41	1.3k 0.8×	1.9k 2.0×	1.4k 1.7×	564 1.1×	244 0.5×	118	4.8k
Jeremy A. Simpson Canada	32	1.4k 0.9×	213 0.2×	675 0.8×	286 0.5×	388 0.8×	100	3.3k
Yanfei Qi China	29	2.4k 1.6×	373 0.4×	1.2k 1.5×	403 0.8×	561 1.1×	92	4.4k
Jie Xu China	33	2.0k 1.3×	441 0.5×	788 1.0×	226 0.4×	236 0.5×	93	3.7k
Atsuhiko Ichimura Japan	28	2.6k 1.7×	680 0.7×	1.5k 1.8×	608 1.1×	567 1.1×	48	4.4k
Shiro Watanabe Japan	33	1.1k 0.7×	1.1k 1.1×	586 0.7×	721 1.3×	306 0.6×	208	3.9k

Countries citing papers authored by Takafumi Hara

Since Specialization

Citations

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

Fields of papers citing papers by Takafumi Hara

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Takafumi Hara

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

Hara, Takafumi, et al.. (2024). AC Copper Loss Evaluation Method for High-Speed PM Motors with Rectangular Coils. IEEJ Transactions on Industry Applications. 144(9). 671–678.

Hara, Takafumi, et al.. (2023). Fundamental Evaluation of Direct-Cooling Technology for In-Wheel Drive System. IEEJ Transactions on Industry Applications. 143(5). 351–357.

Hara, Takafumi, et al.. (2023). Current Ripple Reduction Control for High-Pole Permanent Magnet Synchronous Motors with Position Sensors. IEEJ Transactions on Industry Applications. 143(5). 358–364.

Hara, Takafumi, et al.. (2023). Development of a High Power Density In-Wheel Motor Using Halbach Array Magnets. IEEJ Journal of Industry Applications. 12(6). 1134–1140. 2 indexed citations

Hara, Takafumi, et al.. (2023). Development of a High Power Density In-Wheel Motor Using Halbach Array Magnets. IEEJ Transactions on Industry Applications. 143(5). 398–404. 1 indexed citations

Hara, Takafumi, Ikuko Yamada, Masaru Tamura, et al.. (2022). Role of Scl39a13/ZIP13 in cardiovascular homeostasis. PLoS ONE. 17(10). e0276452–e0276452. 10 indexed citations

Hara, Takafumi, et al.. (2021). Zinc transporters as potential therapeutic targets: An updated review. Journal of Pharmacological Sciences. 148(2). 221–228. 54 indexed citations

Hara, Takafumi, et al.. (2019). Motor Carrier Electromagnetic Noise Caused by PWM Pulse Modifying Technique of DC Bus Current Detection. IEEJ Transactions on Industry Applications. 139(5). 503–512. 1 indexed citations

Ohashi, Wakana, Takafumi Hara, Teruhisa Takagishi, Koji Hase, & Toshiyuki Fukada. (2019). Maintenance of Intestinal Epithelial Homeostasis by Zinc Transporters. Digestive Diseases and Sciences. 64(9). 2404–2415. 20 indexed citations

10.

Hara, Takafumi, et al.. (2017). Study on Vibration of Permanent Magnet Synchronous Motor with Distributed Winding for the PWM Method of Voltage Source Inverters. IEEJ Transactions on Industry Applications. 137(9). 704–712.

11.

Hara, Takafumi, et al.. (2015). Proposal of Vibration Control Reducing 2nd Radial Electromagnetic Force. IEEJ Transactions on Industry Applications. 135(8). 862–868. 4 indexed citations

12.

Hara, Takafumi, et al.. (2013). Re-Adhesion Control in Asynchronous Motor Drives for an Electric Train by Monitoring Excessive Angular Momentum. IEEJ Transactions on Industry Applications. 133(9). 909–916. 3 indexed citations

13.

Hara, Takafumi, Akira Hirasawa, Atsuhiko Ichimura, Ikuo Kimura, & Gozoh Tsujimoto. (2012). Physiological functions of fatty acid receptors and their therapeutic potential. Folia Pharmacologica Japonica. 140(6). 275–279. 2 indexed citations

14.

Hara, Takafumi, Akira Hirasawa, Atsuhiko Ichimura, Ikuo Kimura, & Gozoh Tsujimoto. (2011). Free Fatty Acid Receptors FFAR1 and GPR120 as Novel Therapeutic Targets for Metabolic Disorders. Journal of Pharmaceutical Sciences. 100(9). 3594–3601. 136 indexed citations

15.

Miyauchi, Satoshi, Akira Hirasawa, Atsuhiko Ichimura, Takafumi Hara, & Gozoh Tsujimoto. (2010). New Frontiers in Gut Nutrient Sensor Research: Free Fatty Acid Sensing in the Gastrointestinal Tract. Journal of Pharmacological Sciences. 112(1). 19–24. 55 indexed citations

16.

Sun, Qi, Akira Hirasawa, Takafumi Hara, et al.. (2010). Structure-Activity Relationships of GPR120 Agonists Based on a Docking Simulation. Molecular Pharmacology. 78(5). 804–810. 79 indexed citations

17.

Hara, Takafumi, Akira Hirasawa, Qi Sun, et al.. (2009). Novel selective ligands for free fatty acid receptors GPR120 and GPR40. Naunyn-Schmiedeberg s Archives of Pharmacology. 380(3). 247–255. 119 indexed citations

18.

Miyauchi, Satoshi, et al.. (2009). Distribution and regulation of protein expression of the free fatty acid receptor GPR120. Naunyn-Schmiedeberg s Archives of Pharmacology. 379(4). 427–434. 120 indexed citations

19.

Hirasawa, Akira, Takafumi Hara, Susumu Katsuma, Tetsuya Adachi, & Gozoh Tsujimoto. (2008). Free Fatty Acid Receptors and Drug Discovery. Biological and Pharmaceutical Bulletin. 31(10). 1847–1851. 131 indexed citations

20.

Hara, Takafumi, et al.. (1996). Recovering 3D-Shape from Motion Stereo under Non-Uniform Illumination - A Vision System for Mobile Robot Carring an Illumination Source -.. Machine Vision and Applications. 241–244. 2 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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