Heijirô Ojima

689 total citations
23 papers, 597 citations indexed

About

Heijirô Ojima is a scholar working on Oncology, Electronic, Optical and Magnetic Materials and Organic Chemistry. According to data from OpenAlex, Heijirô Ojima has authored 23 papers receiving a total of 597 indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Oncology, 12 papers in Electronic, Optical and Magnetic Materials and 9 papers in Organic Chemistry. Recurrent topics in Heijirô Ojima's work include Metal complexes synthesis and properties (17 papers), Magnetism in coordination complexes (12 papers) and Lanthanide and Transition Metal Complexes (5 papers). Heijirô Ojima is often cited by papers focused on Metal complexes synthesis and properties (17 papers), Magnetism in coordination complexes (12 papers) and Lanthanide and Transition Metal Complexes (5 papers). Heijirô Ojima collaborates with scholars based in Japan and United States. Heijirô Ojima's co-authors include Kiyoko Nonoyama, Matsuo Nonoyama, Kôzô Sone, Tarō Hayashi, Kōko Maeda, Mohammad Shawkat Ali, Abdul R. Khokhar, Kenton H. Whitmire, Saeed R. Khan and Zahid H. Siddik and has published in prestigious journals such as Coordination Chemistry Reviews, Bulletin of the Chemical Society of Japan and Journal of Inorganic Biochemistry.

In The Last Decade

Heijirô Ojima

23 papers receiving 562 citations

Peers

Countries citing papers authored by Heijirô Ojima

Since Specialization

Citations

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

Fields of papers citing papers by Heijirô Ojima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Heijirô Ojima

This figure shows the co-authorship network connecting the top 25 collaborators of Heijirô Ojima. A scholar is included among the top collaborators of Heijirô Ojima 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 Heijirô Ojima. Heijirô Ojima is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work	Indexed citations
1	Model platinum nucleobase and nucleoside complexes and antitumor activity: X-ray crystal structure of [PtIV(trans-1R,2R-diaminocyclohexane)trans-(acetate)2(9-ethylguanine)Cl]NO3·H2O 2005 ·Journal of Inorganic Biochemistry ·Mohammad Shawkat Ali, Saeed R. Khan, Heijirô Ojima, (unknown), Kenton H. Whitmire, Zahid H. Siddik, Abdul R. Khokhar	36
2	Copper(II) complexes with N,N′-bis(alkylaminoalkyl)-oxamides and related ligands 1988 ·Coordination Chemistry Reviews ·Heijirô Ojima, Kiyoko Nonoyama	220
3	Comparison of ESR Signal Intensities of Some Binuclear Copper Complexes 1986 ·Bulletin of the Chemical Society of Japan ·(unknown), Hiroshi Tadano, (unknown), (unknown), (unknown), Heijirô Ojima	2
4	Binuclear copper(II) complexes bridged by N,N'-disubstituted oxamides containing thioether donor groups 1984 ·Inorganica Chimica Acta ·Kiyoko Nonoyama, Heijirô Ojima, Matsuo Nonoyama	6
5	Binuclear copper(II) and nickel(II) complexes of N,N′-bis(dimethylaminoalkylaminoalkyl)oxamides 1982 ·Inorganica Chimica Acta ·Kiyoko Nonoyama, Heijirô Ojima, Matsuo Nonoyama	13
6	ESR STUDIES OF THE Cu(II) COMPLEXES OF N,N′-BIS(PICOLINOYL)-1,3-PROPANEDIAMINE, A PYRIDINE CONTAINING POLYPEPTIDE MODEL LIGAND 1981 ·Chemistry Letters ·(unknown), Kazuo Mukai, Kazuhiko Ishizu, Heijirô Ojima	4
7	Synthesis of binuclear copper(II) complexes with μ-oximado, μ-oxamato, and μ-oxalato-bridges 1980 ·Inorganica Chimica Acta ·Kiyoko Nonoyama, Heijirô Ojima, (unknown), Matsuo Nonoyama	62
8	Syntheses of Heterometal‐binuclear Complexes 1977 ·Zeitschrift für anorganische und allgemeine Chemie ·Heijirô Ojima, Kiyoko Nonoyama	15
9	Syntheses of N,N′‐Bis(salicylideneiminoethyl)oxamidatodicopper(II), N,N′‐Bis(salicylideneiminoisopropyl)‐oxamidatodicopper(II), and N,N′‐Bis(2‐pyridylideneiminopropyl)oxamidatodicopper(II) Nitrate and Corresponding Perchlorate 1977 ·Zeitschrift für anorganische und allgemeine Chemie ·Heijirô Ojima, Kiyoko Nonoyama	10
10	Synthesis of copper(II) and nickel(II) complexes of several N-monosubstituted oxamide derivatives 1976 ·Inorganica Chimica Acta ·Kiyoko Nonoyama, Heijirô Ojima, Matsuo Nonoyama	52
11	Synthesis and Characterization of Copper(II) and Nickel(II) Complexes of 1, 2–Cyclohexanediaminedipropanamide 1976 ·Journal of the Chinese Chemical Society ·Heijirô Ojima, Kiyoko Nonoyama	1
12	Synthesis and Thermochromic Properties of New Five-coordinate Copper Chelates 1975 ·Bulletin of the Chemical Society of Japan ·(unknown), Kôzô Sone, Heijirô Ojima	1
13	Isolation and characterization of Five‐coordinated Copper(II) Mixed‐Ligand Complexes with dialkylenetriamine and aromatic diamines 1973 ·Zeitschrift für anorganische und allgemeine Chemie ·Heijirô Ojima, Kiyoko Nonoyama	2
14	Syntheses and characterization of μ‐Bis{N‐(oxopropyl)‐glycinamidato}‐dicopper(II) and μ‐Bis{n‐(oxopropyl)‐DL‐alaninamidato}‐dicopper(II) 1971 ·Zeitschrift für anorganische und allgemeine Chemie ·Heijirô Ojima, (unknown)	15
15	New-Type of Copper(II) Complexes with a Subnormal Magnetic Moment Derived from N,N′-Bis(2-carboxyethyl)oxamide 1970 ·Bulletin of the Chemical Society of Japan ·Heijirô Ojima, (unknown)	11
16	Syntheses of {Sulfato, N,N′-(2-pyridylalkyl-oxamidatocopper(II)} copper(II) 1970 ·Bulletin of the Chemical Society of Japan ·Heijirô Ojima, (unknown)	34
17	The Synthesis of Sodium(and Potassium) N, N'-bis-(o-hydro xybenzoyl)-ethylenediaminato-Cuprate(II) and Its Properties 1967 ·Nippon kagaku zassi ·Heijirô Ojima	14
18	The Chemiluminescence, Fluorescence and Absorption Spectra of 2,4,5-Triphenylimidazole 1965 ·Bulletin of the Chemical Society of Japan ·Kōko Maeda, Heijirô Ojima, Tarō Hayashi	19
19	Absorption Spectra and Catalytic Behavior of the Copper(II) Chelates of Some Alkylated Ethylenediamines 1962 ·Bulletin of the Chemical Society of Japan ·Heijirô Ojima, Kôzô Sone	11
20	Chemiluminescence of Non-cyclic Hydrazides (Relationships between Structure of Hydrazides and Chemiluminescent Power) 1961 ·Die Naturwissenschaften ·Heijirô Ojima	6

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.

Explore authors with similar magnitude of impact