Koichi Ohno

10.3k total citations · 2 hit papers
324 papers, 8.7k citations indexed

About

Koichi Ohno is a scholar working on Atomic and Molecular Physics, and Optics, Spectroscopy and Organic Chemistry. According to data from OpenAlex, Koichi Ohno has authored 324 papers receiving a total of 8.7k indexed citations (citations by other indexed papers that have themselves been cited), including 214 papers in Atomic and Molecular Physics, and Optics, 124 papers in Spectroscopy and 53 papers in Organic Chemistry. Recurrent topics in Koichi Ohno's work include Advanced Chemical Physics Studies (201 papers), Mass Spectrometry Techniques and Applications (77 papers) and Spectroscopy and Quantum Chemical Studies (45 papers). Koichi Ohno is often cited by papers focused on Advanced Chemical Physics Studies (201 papers), Mass Spectrometry Techniques and Applications (77 papers) and Spectroscopy and Quantum Chemical Studies (45 papers). Koichi Ohno collaborates with scholars based in Japan, Switzerland and Hungary. Koichi Ohno's co-authors include Satoshi Maeda, Keiji Morokuma, Naoki Kishimoto, Yoshiya Harada, Hideo Yamakado, Tomohide Takami, Yoshihiro Yamakita, Yoshihiko Matsui, Koichiro Mitsuke and Hideki Mutoh and has published in prestigious journals such as Journal of the American Chemical Society, Physical Review Letters and Angewandte Chemie International Edition.

In The Last Decade

Koichi Ohno

320 papers receiving 8.6k citations

Hit Papers

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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.

Systematic exploration of the mechanism of chemical reactions: the global reaction route mapping (GRRM) strategy using the ADDF and AFIR methods

2013 489 citations Satoshi Maeda, Koichi Ohno et al. Physical Chemistry Chemical Physics profile →
A New OECD Definition for Per- and Polyfluoroalkyl Substances

2021 340 citations Koichi Ohno et al. profile →

Peers

Countries citing papers authored by Koichi Ohno

Since Specialization

Citations

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

Fields of papers citing papers by Koichi Ohno

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Koichi Ohno

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

#	Work	Indexed citations
1	High performance global exploration of isomers and isomerization channels on quantum chemical potential energy surface of H₅C₂NO₂ 2020 ·Journal of Computational Chemistry ·Koichi Ohno, Naoki Kishimoto, Takeaki Iwamoto, Hiroko Satoh, Hiromasa Watanabe	4
2	Searching the crystal structure of silicon using the generalized scaled hypersphere search method with the rapid nuclear motion approximation 2020 ·Japanese Journal of Applied Physics ·(unknown), (unknown), Hideo Yamakado, Koichi Ohno	2
3	Relative source allocation of TDI to drinking water for derivation of a criterion for chloroform: A Monte-Carlo and multi-exposure assessment 2013 ·Regulatory Toxicology and Pharmacology ·(unknown), Yoshihiko Matsui, Koichi Ohno, Sadahiko Itoh, Taku Matsushita, Nobutaka Shirasaki	6
4	Systematic exploration of the mechanism of chemical reactions: the global reaction route mapping (GRRM) strategy using the ADDF and AFIR methods breakdown → 2013 ·Physical Chemistry Chemical Physics ·Satoshi Maeda, Koichi Ohno, Keiji Morokuma	489
5	PLANNING AND ASSESSMENT MEASURES TO UPDATING RESOURCES RECYCLING EQUIPMENTS IN COLLABORATION WITH SEWAGE TREATMENT PLANTS AND WASTE INCINERATION PLANTS 2012 ·Journal of Japan Society of Civil Engineers Ser G (Environmental Research) ·(unknown), Akihiro Tokai, Koichi Ohno	6
6	Difference in behaviors of F-specific DNA and RNA bacteriophages during coagulation–rapid sand filtration and coagulation–microfiltration processes 2012 ·Water Science & Technology Water Supply ·Nobutaka Shirasaki, Taku Matsushita, Yoichi Matsui, (unknown), Koichi Ohno	0
7	Reduction of Oxide Scales Formed on Low Carbon Steel Sheet in Synthesized Combustion Gas 2011 ·Tetsu-to-Hagane ·Isao Saeki, Takashi Ikeda, Koichi Ohno, Tadao Sato, S. Kurosawa	17
8	Modeling high adsorption capacity and kinetics of organic macromolecules on super-powdered activated carbon 2010 ·Water Research ·Yoshihiko Matsui, (unknown), Tomoaki Yoshida, (unknown), Taku Matsushita, Koichi Ohno	39
9	Direct observation of solid-phase adsorbate concentration profile in powdered activated carbon particle to elucidate mechanism of high adsorption capacity on super-powdered activated carbon 2010 ·Water Research ·(unknown), Yoshihiko Matsui, Taku Matsushita, Koichi Ohno	16
10	Lowest Transition State for the Chirality-Determining Step in Ru((R)-BINAP)-Catalyzed Asymmetric Hydrogenation of Methyl-3-Oxobutanoate 2008 ·Journal of the American Chemical Society ·Satoshi Maeda, Koichi Ohno	43
11	Automated exploration of stable isomers of H⁺(H₂O)_n (n = 5–7) via ab initio calculations: An application of the anharmonic downward distortion following algorithm 2008 ·Journal of Computational Chemistry ·Yi Luo, Satoshi Maeda, Koichi Ohno	39
12	衝突イオン化実験による外部分子軌道の決定とHartree-Fock,Kohn-Sham,およびDyson軌道との比較 2007 ·Physical Review A ·Masakazu Yamazaki, T. Horio, Naoki Kishimoto, Koichi Ohno	2
13	Aromaticity of Giant Polycyclic Aromatic Hydrocarbons with Hollow Sites: Super Ring Currents in Super‐Rings 2006 ·Chemistry - A European Journal ·Balázs Hajgató, Michaël S. Deleuze, Koichi Ohno	45
14	Probing the Shape and Stereochemistry of Molecular Orbitals in Locally Flexible Aromatic Chains: A Penning Ionization Electron Spectroscopy and Green's Function Study of the Electronic Structure of Biphenyl 2005 ·The Journal of Physical Chemistry A ·Naoki Kishimoto, (unknown), Koichi Ohno, Stefan Knippenberg, Jean‐Pierre François, Michaël S. Deleuze	26
15	Relation between arsenic and other metals and ions in groundwater in Bangladesh 2004 ·Environmental Engineering Research ·Koichi Ohno, Akihiko Furukawa, Kenji Hayashi, Tasuku Kamei, Yasumoto Magara	1
16	Multiple Photofragmentation Pathways with Different Recoil Anisotropy from a Metal-Ion–Ligand Complex 2004 ·Physical Review Letters ·Fuminori Misaizu, (unknown), Hironori Tsunoyama, Koichi Ohno	10
17	Assignment<footref rid="foot01"><sup>1</sup></footref> of the feline Fas (TNFRSF6) gene to chromosome D2p13→p12.2 by fluorescence in situ hybridization 2001 ·Cytogenetic and Genome Research ·Yoshihisa Fujino, Takashi Mizuno, Kenichi Masuda, Koichi Ohno, H. Satoh, Hajime Tsujimoto	7
18	Production of a Monoclonal Antibody That Defines the α-Subunit of the Feline IL-2 Receptor 1992 ·Hybridoma ·Koichi Ohno, Ryo Goitsuka, (unknown), A. Hasegawa, Tohru Tokunaga, Mitsuo Honda	16
19	Normal coordinate calculations of benzenoid hydrocarbons 1978 ·Journal of Molecular Spectroscopy ·Koichi Ohno	40
20	Interaction of -Electrons in the Acetylene Molecule 1952 ·Progress of Theoretical Physics ·Takashi Nakamura, Koichi Ohno, Masao Kotani, (unknown)	9

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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