Osamu Koga

5.8k total citations · 3 hit papers
82 papers, 5.0k citations indexed

About

Osamu Koga is a scholar working on Animal Science and Zoology, Electrochemistry and Renewable Energy, Sustainability and the Environment. According to data from OpenAlex, Osamu Koga has authored 82 papers receiving a total of 5.0k indexed citations (citations by other indexed papers that have themselves been cited), including 26 papers in Animal Science and Zoology, 17 papers in Electrochemistry and 17 papers in Renewable Energy, Sustainability and the Environment. Recurrent topics in Osamu Koga's work include Animal Nutrition and Physiology (24 papers), Electrochemical Analysis and Applications (17 papers) and CO2 Reduction Techniques and Catalysts (16 papers). Osamu Koga is often cited by papers focused on Animal Nutrition and Physiology (24 papers), Electrochemical Analysis and Applications (17 papers) and CO2 Reduction Techniques and Catalysts (16 papers). Osamu Koga collaborates with scholars based in Japan and United States. Osamu Koga's co-authors include Yoshio Hori, Toshio Tsukamoto, Nagahiro Hoshi, Ichiro Takahashi, T. Tsukamoto, K. Oguma, Asako Murata, Hidehiro Sakurai, Hiroki Yamazaki and Noború Fujihara and has published in prestigious journals such as Geochimica et Cosmochimica Acta, The Journal of Physical Chemistry B and Journal of The Electrochemical Society.

In The Last Decade

Osamu Koga

79 papers receiving 4.9k 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.

Electrocatalytic process of CO selectivity in electrochemical reduction of CO2 at metal electrodes in aqueous media

1994 1.8k citations Yoshio Hori, Osamu Koga et al. Electrochimica Acta profile →
Electrochemical reduction of carbon dioxide at various series of copper single crystal electrodes

2003 646 citations Yoshio Hori, Ichiro Takahashi et al. profile →
Selective Formation of C2 Compounds from Electrochemical Reduction of CO₂ at a Series of Copper Single Crystal Electrodes

2001 576 citations Yoshio Hori, Ichiro Takahashi et al. The Journal of Physical Chemistry B profile →

Peers

Osamu Koga

RESE

CATAL

EEE

PCT

Longfei Wu Netherlands

Gloria D. Elliott United States

Krishnan Damodaran United States

Ivan Ivanov Bulgaria

Yumei Chen China

Z. Liu China

Limiao Chen China

Eiji Suzuki Japan

Fang Su China

S.C. Davies United Kingdom

Longfei Wu Netherlands

Osamu Koga

1.1k ×0.3

RESE

380 ×0.1

CATAL

889 ×0.7

782 ×0.7

EEE

63 ×0.1

PCT

Citations per year, relative to Osamu Koga Osamu Koga (= 1×) peers Longfei Wu

Countries citing papers authored by Osamu Koga

Since Specialization

Citations

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

Fields of papers citing papers by Osamu Koga

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Osamu Koga

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

Yoshimura, Natsue, et al.. (2017). Decoding of emotional responses to user-unfriendly computer interfaces via electroencephalography signals. ACTA IMEKO. 6(2). 93–93. 3 indexed citations

Hori, Yoshio, et al.. (2005). “Deactivation of copper electrode” in electrochemical reduction of CO2. Electrochimica Acta. 50(27). 5354–5369. 371 indexed citations

Koga, Osamu, et al.. (2004). MEASUREMENT OF PLUME ABOVE COOKING STOVE AND OF INDOOR THERMAL ENVIRONMENT PART 1(Environmental Engineering). AIJ Journal of Technology and Design. 10(20). 141–146. 2 indexed citations

Hori, Yoshio, Ichiro Takahashi, Osamu Koga, & Nagahiro Hoshi. (2001). Selective Formation of C2 Compounds from Electrochemical Reduction of CO₂ at a Series of Copper Single Crystal Electrodes. The Journal of Physical Chemistry B. 106(1). 15–17. 576 indexed citations breakdown →

Hoshi, Nagahiro, et al.. (2001). Configuration of adsorbed CO affected by the terrace width of ()[n(111)×(111)] electrodes. Chemical Physics Letters. 336(1-2). 13–18. 21 indexed citations

Hori, Yoshio, et al.. (1998). FTIR measurements of charge displacement adsorption of CO on poly- and single crystal (100) of Cu electrodes. Electrochimica Acta. 44(8-9). 1389–1395. 72 indexed citations

Koga, Osamu, et al.. (1995). Congenital Anophthalmia with Caudal Vertebral Anomalies in Japanese Brown Cattle.. Journal of Veterinary Medical Science. 57(4). 693–696. 8 indexed citations

Tanaka, Ken‐ichiro, T. Wada, Osamu Koga, Yasunori Nishio, & F. Hertelendy. (1994). Chick production by in vitro fertilization of the fowl ovum. Reproduction. 100(2). 447–449. 13 indexed citations

Koga, Osamu, et al.. (1994). The Effects of Sex Steroid Hormones on the Pigment Accumulation in the Shell Gland of Japanese Quail. Poultry Science. 73(1). 179–185. 21 indexed citations

10.

Koga, Osamu, et al.. (1994). Unilateral Anophthalmia in a Holstein Calf.. Journal of Veterinary Medical Science. 56(1). 153–155. 3 indexed citations

11.

Koga, Osamu, et al.. (1992). The Involvement of Cyclic Adenosine 3', 5'-Monophosphate in the Regulation of Uterine Motility in the Hen.. Japanese poultry science. 29(5). 301–309. 1 indexed citations

12.

Fujihara, Noború & Osamu Koga. (1990). Uptake of α-aminosobutyric acid (ABI) by rooster spermatozoa. Asian-Australasian Journal of Animal Sciences. 3(2). 91–96.

13.

Koga, Osamu, et al.. (1989). The Effects of Thyroid Hormone on Liver Glycogen, Muscle Glycogen and Liver Lipid in Chicks. Nihon Chikusan Gakkaiho. 60(4). 346–350. 14 indexed citations

14.

Koga, Osamu, et al.. (1989). Research Note: Involvement of Ovulation Mechanism(s) in the Accumulation of Pigment in the Shell Gland of the Japanese Quail (Coturnix coturnix japonica). Poultry Science. 68(8). 1156–1158. 16 indexed citations

15.

Koga, Osamu, Yoshio Hori, & Shin Suzuki. (1987). Ozone sensor with the use of thin films of transition metal oxides.. NIPPON KAGAKU KAISHI. 147–151. 1 indexed citations

16.

Fujihara, Noború, Hisayoshi Nishiyama, & Osamu Koga. (1987). Effect on turkey spermatozoa of a frothy fluid derived from the cloaca of a male turkey. Theriogenology. 28(2). 225–235. 4 indexed citations

17.

Masuda, Shinya, Katsumi Wakabayashi, & Osamu Koga. (1984). Change of the Properties of Follicle Stimulating Hormone like Gonadotropin Binding Sites in the Follicles of the Hen during Follicular Growth. Nihon Chikusan Gakkaiho. 55(6). 399–408. 8 indexed citations

18.

Koga, Osamu, et al.. (1978). Prostaglandin Production by the Uterus of the Hen in Relation to Spontaneous and Phosphate-Induced Ovipositions. Nihon Chikusan Gakkaiho. 49(7). 523–528. 3 indexed citations

19.

HASHIGUCHI, Mineo, Osamu Koga, & Hisayoshi Nishiyama. (1977). Effect of Photoperiod and Castration on the Diurnal Rhythm in the Pituitary Gonadotropic Activity of Male Japanese Quail. Nihon Chikusan Gakkaiho. 48(11). 649–653. 1 indexed citations

20.

ABE, Tsuneo, Shozo Suzuki, Takashi Amano, et al.. (1968). Studies on the native farm animals in Asia. Nihon Chikusan Gakkaiho. 39(12). 523–535.

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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