Ryoichi Kojima

1.1k total citations
24 papers, 977 citations indexed

About

Ryoichi Kojima is a scholar working on Materials Chemistry, Catalysis and Inorganic Chemistry. According to data from OpenAlex, Ryoichi Kojima has authored 24 papers receiving a total of 977 indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Materials Chemistry, 12 papers in Catalysis and 8 papers in Inorganic Chemistry. Recurrent topics in Ryoichi Kojima's work include Catalytic Processes in Materials Science (9 papers), Ammonia Synthesis and Nitrogen Reduction (7 papers) and Nanomaterials for catalytic reactions (6 papers). Ryoichi Kojima is often cited by papers focused on Catalytic Processes in Materials Science (9 papers), Ammonia Synthesis and Nitrogen Reduction (7 papers) and Nanomaterials for catalytic reactions (6 papers). Ryoichi Kojima collaborates with scholars based in Japan and Germany. Ryoichi Kojima's co-authors include Ken‐ichi Aika, Masaru Ichikawa, Satoshi Kikuchi, Shin Kikuchi, Hiroyuki Enomoto, Hwong‐wen Ma, Ryuichiro Ohnishi, Jin Bai, Martin Muhler and Jie Bai and has published in prestigious journals such as SHILAP Revista de lepidopterología, ACS Catalysis and The Journal of Physical Chemistry C.

In The Last Decade

Ryoichi Kojima

22 papers receiving 968 citations

Peers

Countries citing papers authored by Ryoichi Kojima

Since Specialization

Citations

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

Fields of papers citing papers by Ryoichi Kojima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ryoichi Kojima

This figure shows the co-authorship network connecting the top 25 collaborators of Ryoichi Kojima. A scholar is included among the top collaborators of Ryoichi Kojima 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 Ryoichi Kojima. Ryoichi Kojima 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	One-pot gram-scale rapid synthesis of MN₄ complexes with 14-membered ring macrocyclic ligand as a precursor for carbon-based ORR and CO₂RR catalysts 2024 ·Dalton Transactions ·(unknown), (unknown), (unknown), (unknown), (unknown), (unknown), Ryoichi Kojima, Junya Ohyama, Teruaki Hayakawa, Yuta Nabae, Makoto Moriya	3
2	Structural Effects of FeN₄ Active Sites Surrounded by Fourteen-Membered Ring Ligands on Oxygen Reduction Reaction Activity and Durability 2024 ·ACS Catalysis ·(unknown), (unknown), Junya Ohyama, Yasushi Iwata, (unknown), Hiroshi Yoshida, Masato Machida, Kotaro Higashi, Tomoya Uruga, Naomi Kawamura, Ryota Goto, Takeo Ichihara, Ryoichi Kojima, Makoto Moriya, Hideo Notsu, (unknown), Mami Miyoshi, Teruaki Hayakawa, Yuta Nabae	7
3	Trip Destination Prediction by Cross-City Exploratory Data Analysis Approach in People Flow Data 2022 ·2022 IEEE International Conference on Big Data (Big Data) ·Ryoichi Kojima, Roberto Legaspi, Shinya Wada	1
4	High Durability of a 14-Membered Hexaaza Macrocyclic Fe Complex for an Acidic Oxygen Reduction Reaction Revealed by In Situ XAS Analysis 2021 ·SHILAP Revista de lepidopterología ·Junya Ohyama, Makoto Moriya, (unknown), (unknown), (unknown), Ryoichi Kojima, Teruaki Hayakawa, Yuta Nabae	25
5	Fourteen-Membered Macrocyclic Fe Complexes Inspired by FeN ₄ -Center-Embedded Graphene for Oxygen Reduction Catalysis 2020 ·The Journal of Physical Chemistry C ·Makoto Moriya, (unknown), (unknown), Junya Ohyama, (unknown), Ryoichi Kojima, (unknown), Teruaki Hayakawa, Yuta Nabae	23
6	Fuzzy Clusterinig for Scale-Free Network Represented as Adjacency Matrix 2017 ·Journal of Japan Society for Fuzzy Theory and Intelligent Informatics ·Ryoichi Kojima, Toshiaki Murofushi	0
7	Destructive Adsorption of Chlorinated Volatile Organic Compounds on Calcium Oxide Powder under Air Flow 2010 ·JOURNAL OF CHEMICAL ENGINEERING OF JAPAN ·Takeshi Furusawa, (unknown), Masahiro Okada, Ken‐ichi Aika, Ryoichi Kojima, (unknown), Noboru Suzuki	3
8	Promotion effects of Pt and Rh on catalytic performances of Mo/HZSM-5 and Mo/HMCM-22 in selective methane-to-benzene reaction 2006 ·Catalysis Letters ·Ryoichi Kojima, Satoshi Kikuchi, (unknown), Jie Bai, Masaru Ichikawa	33
9	Study on Mo/HZSM-5 catalysts modified by bulky aminoalkyl-substituted silyl compounds for the selective methane-to-benzene (MTB) reaction 2006 ·Journal of Catalysis ·Shin Kikuchi, Ryoichi Kojima, Hwong‐wen Ma, Jin Bai, Masaru Ichikawa	47
10	Effective Coke Removal in Methane to Benzene (MTB) Reaction on Mo/HZSM-5 Catalyst by H2 and H2O Co-addition to Methane 2005 ·Catalysis Letters ·(unknown), Ryoichi Kojima, Satoshi Kikuchi, Masaru Ichikawa	41
11	Hydrogen Effect on Coke Removal and Catalytic Performance in Pre-Carburization and Methane Dehydro-Aromatization Reaction on Mo/HZSM-5 2005 ·(unknown), Ryoichi Kojima, Satoshi Kikuchi, Masaru Ichikawa	5
12	Totalsynthese eines geträgerten Katalysators aus der Gasphase durch CVS‐/CVD‐Techniken 2004 ·Chemie Ingenieur Technik ·Oliver Schlüter, Ryoichi Kojima, (unknown), (unknown), Gabriele Kasper, Martin Muhler	1
13	Effects of Rhodium Addition to Mo/HZSM-5 Catalyst for Methane Dehydroaromatization 2004 ·Chemistry Letters ·Ryoichi Kojima, Satoshi Kikuchi, Masaru Ichikawa	16
14	Cesium-promoted rhenium catalysts supported on alumina for ammonia synthesis 2003 ·Applied Catalysis A General ·Ryoichi Kojima, Hiroyuki Enomoto, Martin Muhler, Ken‐ichi Aika	37
15	Cobalt molybdenum bimetallic nitride catalysts for ammonia synthesis 2001 ·Applied Catalysis A General ·Ryoichi Kojima, Ken‐ichi Aika	171
16	Cobalt molybdenum bimetallic nitride catalysts for ammonia synthesis 2001 ·Applied Catalysis A General ·Ryoichi Kojima, Ken‐ichi Aika	70
17	Cobalt molybdenum bimetallic nitride catalysts for ammonia synthesis 2001 ·Applied Catalysis A General ·Ryoichi Kojima, Ken‐ichi Aika	148
18	Rhenium containing binary catalysts for ammonia synthesis 2001 ·Applied Catalysis A General ·Ryoichi Kojima, Ken‐ichi Aika	51
19	Cobalt Rhenium Binary Catalyst for Ammonia Synthesis 2000 ·Chemistry Letters ·Ryoichi Kojima, Ken‐ichi Aika	12
20	[Effect of inosine, NAD and glycine or glucuronic acid lactone on acute toluene or xylene intoxications]. 1971 ·PubMed ·Ryoichi Kojima	1

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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