Keiji Sekiguchi

1.4k total citations · 1 hit paper
46 papers, 1.1k citations indexed

About

Keiji Sekiguchi is a scholar working on Materials Chemistry, Spectroscopy and Organic Chemistry. According to data from OpenAlex, Keiji Sekiguchi has authored 46 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Materials Chemistry, 17 papers in Spectroscopy and 14 papers in Organic Chemistry. Recurrent topics in Keiji Sekiguchi's work include Crystallization and Solubility Studies (18 papers), Analytical Chemistry and Chromatography (17 papers) and Drug Solubulity and Delivery Systems (11 papers). Keiji Sekiguchi is often cited by papers focused on Crystallization and Solubility Studies (18 papers), Analytical Chemistry and Chromatography (17 papers) and Drug Solubulity and Delivery Systems (11 papers). Keiji Sekiguchi collaborates with scholars based in Japan, Canada and Egypt. Keiji Sekiguchi's co-authors include Noboru Obi, Etsuko Suzuki, Yoshio Ueda, Yasuyuki Tsuda, Motoko Kanke, Keiji Ito, Isamu Horikoshi, Akira Okada, Motoharu Iwatsuru and Keihei Ueno and has published in prestigious journals such as Chemical and Pharmaceutical Bulletin, YAKUGAKU ZASSHI and Journal of the Society of Materials Science Japan.

In The Last Decade

Keiji Sekiguchi

43 papers receiving 1.0k citations

Hit Papers

Studies on Absorption of ... 1961 2026 1982 2004 1961 100 200 300 400 500
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.

  1. Studies on Absorption of Eutectic Mixture. I. A Comparison of the Behavior of Eutectic Mixture of Sulfathiazole and that of Ordinary Sulfathiazole in Man.
    1961 593 citations Keiji Sekiguchi, Noboru Obi Chemical and Pharmaceutical Bulletin profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Keiji Sekiguchi Japan 12 744 658 283 227 145 46 1.1k
Yoshinobu Nakai Japan 20 632 0.8× 364 0.6× 269 1.0× 171 0.8× 192 1.3× 51 998
Arthur H. Goldberg United States 16 615 0.8× 338 0.5× 174 0.6× 191 0.8× 110 0.8× 23 881
A. P. Lötter South Africa 18 385 0.5× 403 0.6× 225 0.8× 164 0.7× 133 0.9× 49 919
Surendra C. Mehta United States 11 606 0.8× 360 0.5× 165 0.6× 171 0.8× 150 1.0× 18 919
Noboru Obi Japan 4 598 0.8× 393 0.6× 171 0.6× 184 0.8× 99 0.7× 7 745
J. Keith Guillory United States 17 270 0.4× 322 0.5× 272 1.0× 145 0.6× 136 0.9× 43 799
Manabu Nakatani Japan 8 651 0.9× 365 0.6× 185 0.7× 108 0.5× 173 1.2× 9 1.1k
K.‐H. Frömming Germany 7 379 0.5× 167 0.3× 174 0.6× 112 0.5× 179 1.2× 32 694
Enrico Redenti Italy 14 437 0.6× 264 0.4× 347 1.2× 123 0.5× 174 1.2× 31 786
D. Giron Switzerland 14 308 0.4× 697 1.1× 379 1.3× 123 0.5× 120 0.8× 24 1.1k

Countries citing papers authored by Keiji Sekiguchi

Since Specialization
Citations

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

Fields of papers citing papers by Keiji Sekiguchi

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Keiji Sekiguchi

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

All Works

20 of 20 papers shown
1.
Tsuda, Yasuyuki, Mariko Ishida, Etsuko Suzuki, & Keiji Sekiguchi. (1988). Spray drying of griseofulvin solution forming its solvate.. Chemical and Pharmaceutical Bulletin. 36(6). 2193–2196. 4 indexed citations
2.
Suzuki, Etsuko, et al.. (1985). Water content and dehydration behavior of crystalline caffeine hydrate.. Chemical and Pharmaceutical Bulletin. 33(11). 5028–5035. 20 indexed citations
3.
Sekiguchi, Keiji, et al.. (1984). Changes in surface appearance of silver chloride de-ammoniated after complexation with liquid, gaseous and aqueous ammonia.. Chemical and Pharmaceutical Bulletin. 32(4). 1537–1545. 1 indexed citations
4.
Sekiguchi, Keiji, et al.. (1983). Wet Grinding (Pulverization by Intervention) of Solid Drugs during Compounding. YAKUGAKU ZASSHI. 103(2). 213–224. 2 indexed citations
5.
Suzuki, Etsuko, et al.. (1983). Thermal, physicochemical, and micromeritic properties of freeze-dried chloramphenicol palmitate.. Chemical and Pharmaceutical Bulletin. 31(2). 632–638. 1 indexed citations
6.
Sekiguchi, Keiji, Etsuko Suzuki, Yasuyuki Tsuda, & Yutaka Morita. (1983). Thermal analysis of griseofulvin-chloroform system by high pressure differential scanning calorimetry.. Chemical and Pharmaceutical Bulletin. 31(6). 2139–2141. 2 indexed citations
7.
Tsuda, Yasuyuki, et al.. (1983). Formation of ammonia adducts of several steroids and their application to particle size reduction.. Chemical and Pharmaceutical Bulletin. 31(10). 3649–3655. 2 indexed citations
8.
Iwatsuru, Motoharu & Keiji Sekiguchi. (1978). Inference of Secondary Binding Spectrum of Naphthol Yellow S with Bovine Serum Albumin. YAKUGAKU ZASSHI. 98(5). 557–562. 2 indexed citations
9.
Sekiguchi, Keiji, et al.. (1977). Dissolution behavior of solid drugs. VII. Dissolution rates of sulfanilamide in aqueous carboxymethylcellulose sodium solutions with or without sodium chloride.. Chemical and Pharmaceutical Bulletin. 25(7). 1782–1790. 1 indexed citations
10.
Sekiguchi, Keiji, et al.. (1976). Studies on methods of particle size reduction of medicinal compounds. VI. Solvate formation of griseofulvin with benzene and dioxane.. Chemical and Pharmaceutical Bulletin. 24(7). 1621–1630. 9 indexed citations
11.
Kanke, Motoko & Keiji Sekiguchi. (1973). Dissolution Behavior of Solid Drugs. I. Improvement and Simplification of Dissolution Rate Measurement, and Its Application to Solubility Determinations. Chemical and Pharmaceutical Bulletin. 21(4). 871–877. 8 indexed citations
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Sekiguchi, Keiji, Noboru Obi, & Yoshio Ueda. (1964). Studies on Absorption of Eutectic Mixture. II. Absorption of fused Conglomerates of Chloramphenicol and Urea in Rabbits.. Chemical and Pharmaceutical Bulletin. 12(2). 134–144. 133 indexed citations
16.
Sekiguchi, Keiji, et al.. (1963). Studies on the Method of Thermal Analysis of Organic Medicinals. IV. Double Melting Point of Organic Binary Mixtures.. Chemical and Pharmaceutical Bulletin. 11(9). 1123–1133. 4 indexed citations
17.
Sekiguchi, Keiji, et al.. (1963). Studies on the Method of Thermal Analysis of Organic Medicinals. III. Relations between Methods of Sample Preparation and Obtained Phase Diagrams.. Chemical and Pharmaceutical Bulletin. 11(9). 1108–1122. 12 indexed citations
18.
Sekiguchi, Keiji & Noboru Obi. (1961). Studies on Absorption of Eutectic Mixture. I. A Comparison of the Behavior of Eutectic Mixture of Sulfathiazole and that of Ordinary Sulfathiazole in Man.. Chemical and Pharmaceutical Bulletin. 9(11). 866–872. 593 indexed citations breakdown →
19.
Tsuji, Akio & Keiji Sekiguchi. (1960). The Adsorption of Isoniazid on Cation Exchangers of Various Metal Forms. Nippon kagaku zassi. 81(6). 847–852. 3 indexed citations
20.
Sekiguchi, Keiji. (1958). Metal Chelate Compounds of Tetracycline Derivatives. VIII. YAKUGAKU ZASSHI. 78(9). 965–969. 3 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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