Yoshihiko Ohama

3.0k total citations · 1 hit paper
81 papers, 2.0k citations indexed

About

Yoshihiko Ohama is a scholar working on Civil and Structural Engineering, Building and Construction and Environmental Engineering. According to data from OpenAlex, Yoshihiko Ohama has authored 81 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 65 papers in Civil and Structural Engineering, 33 papers in Building and Construction and 9 papers in Environmental Engineering. Recurrent topics in Yoshihiko Ohama's work include Innovative concrete reinforcement materials (57 papers), Concrete and Cement Materials Research (41 papers) and Structural Behavior of Reinforced Concrete (20 papers). Yoshihiko Ohama is often cited by papers focused on Innovative concrete reinforcement materials (57 papers), Concrete and Cement Materials Research (41 papers) and Structural Behavior of Reinforced Concrete (20 papers). Yoshihiko Ohama collaborates with scholars based in Japan, Pakistan and Belgium. Yoshihiko Ohama's co-authors include Katsunori DEMURA, Dionys Van Gemert, Ippei Mori, L. Czarnecki, Harald Schorn, Anne Beeldens, Muhammad Aamer Rafique Bhutta, Nemkumar Banthia, S. Mindess and Mitsuhiko Ota and has published in prestigious journals such as Carbon, Cement and Concrete Research and Construction and Building Materials.

In The Last Decade

Yoshihiko Ohama

75 papers receiving 1.9k citations

Hit Papers

Polymer-based admixtures 1998 2026 2007 2016 1998 100 200 300 400
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. Polymer-based admixtures
    1998 446 citations Yoshihiko Ohama profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Yoshihiko Ohama Japan 21 1.7k 714 264 211 125 81 2.0k
Shunsuke Hanehara Japan 13 2.0k 1.2× 867 1.2× 487 1.8× 167 0.8× 59 0.5× 36 2.3k
Simone Hempel Germany 18 1.3k 0.8× 1.2k 1.6× 198 0.8× 134 0.6× 105 0.8× 26 1.8k
Philippe Jean Paul Gleize Brazil 31 2.4k 1.4× 1.2k 1.7× 797 3.0× 122 0.6× 218 1.7× 81 2.9k
Hammad R. Khalid Saudi Arabia 20 837 0.5× 513 0.7× 363 1.4× 106 0.5× 114 0.9× 55 1.3k
Lucía Fernández-Carrasco Spain 22 1.0k 0.6× 527 0.7× 452 1.7× 140 0.7× 32 0.3× 58 1.4k
M. R. Silsbee United States 15 905 0.5× 467 0.7× 360 1.4× 167 0.8× 54 0.4× 33 1.1k
Silvio Delvasto Colombia 20 2.0k 1.2× 1.2k 1.7× 648 2.5× 280 1.3× 78 0.6× 91 2.4k
Kiyofumi Kurumisawa Japan 22 1.4k 0.8× 434 0.6× 464 1.8× 68 0.3× 124 1.0× 73 1.6k
H.K. Lee South Korea 23 1.9k 1.1× 845 1.2× 773 2.9× 182 0.9× 188 1.5× 54 2.6k
Jorge Iván Tobón Colombia 22 1.3k 0.8× 583 0.8× 509 1.9× 31 0.1× 146 1.2× 99 1.7k

Countries citing papers authored by Yoshihiko Ohama

Since Specialization
Citations

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

Fields of papers citing papers by Yoshihiko Ohama

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Yoshihiko Ohama

This figure shows the co-authorship network connecting the top 25 collaborators of Yoshihiko Ohama. A scholar is included among the top collaborators of Yoshihiko Ohama 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 Yoshihiko Ohama. Yoshihiko Ohama 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.
Bhutta, Muhammad Aamer Rafique & Yoshihiko Ohama. (2011). Recent Status of Research and Development of Concrete-Polymer Composites in Japan. 1(4). 125–130. 13 indexed citations
2.
Ota, Masahiro, et al.. (2011). STRENGTH DEVELOPMENT THROUGH LONG-TERM DRY CURING OF INITIALLY COMBINED WET/DRY-CURED AND STEAM-CURED HARDENER-FREE EPOXY-MODIFIED MORTARS. Journal of Structural and Construction Engineering (Transactions of AIJ). 76(663). 875–880. 2 indexed citations
3.
Ohama, Yoshihiko, et al.. (2008). FIRE-PROTECTING PERFORMANCE OF POLYMER-MODIFIED MORTARS FOR BUILDINGS AND PROPOSAL FOR FIRE-PROTECTING PERFORMANCE TEST METHODS FOR THEM. Journal of Structural and Construction Engineering (Transactions of AIJ). 73(631). 1449–1457. 4 indexed citations
4.
Ohama, Yoshihiko, et al.. (2003). EFFECTS OF MIX-PROPORTIONING FACTORS ON PROPERTIES OF WASTE WOOD-WASTE EXPANDED POLYSTYRENE COMPOSITES BY HOT PRESS MOLDING METHOD. Journal of Structural and Construction Engineering (Transactions of AIJ). 68(567). 25–31. 3 indexed citations
5.
Ohama, Yoshihiko, et al.. (2002). EFFECTS OF MOLDING CONDITIONS ON PROPERTIES OF WASTE WOOD-WASTE EXPANDED POLYSTYRENE COMPOSITES BY HOT PRESS MOLDING METHOD. Journal of Structural and Construction Engineering (Transactions of AIJ). 67(561). 31–36. 1 indexed citations
6.
Ohama, Yoshihiko, et al.. (2002). Development of Highly Water-Resistant Gypsum-Based Composites.. Journal of the Society of Materials Science Japan. 51(10). 1129–1134. 2 indexed citations
7.
Ohama, Yoshihiko, Toshimitsu Kobayashi, & Katsunori DEMURA. (2001). Structural Materials. Improvement in Water Resistance of Macrodefect-Free(MDF) Cements by Application of Hot Press Molding Process.. Journal of the Society of Materials Science Japan. 50(8). 873–876. 2 indexed citations
8.
Ohama, Yoshihiko, et al.. (2001). Strength Properties of Combined Wet/Dry-Cured SBR-Modified Concretes Using Ground Granulated Blast-Furnace Slag. Concrete Research and Technology. 12(1). 55–61. 1 indexed citations
9.
Lee, Youn-Su, Yoshihiko Ohama, & Katsunori DEMURA. (1997). A TRIAL OF COMPRESSIVE STRENGTH PREDICTION OF LIGHTWEIGHT POLYESTER MORTARS BY THE MATURITY METHOD : Prediction of datum temperature in maturity equations (Part 1). Journal of Structural and Construction Engineering (Transactions of AIJ). 62(498). 7–12.
10.
Kim, Wanki, Yoshihiko Ohama, & Katsunori DEMURA. (1997). Drying Shrinkage Reduction of Polymer-Modified Mortars Using Redispersible Polymer Powder by Use of Shrinkage-Reducing Agents.. Journal of the Society of Materials Science Japan. 46(1). 84–88. 4 indexed citations
11.
Ohama, Yoshihiko, et al.. (1995). EFFECTS OF TEMPERATURE AND RELATIVE HUMIDITY ON ACCELERATED CARBONATION OF POLYMER-MODIFIED MORTARS. Journal of Structural and Construction Engineering (Transactions of AIJ). 60(469). 37–44. 1 indexed citations
12.
Ohama, Yoshihiko, et al.. (1994). MECHANICAL PROPERTIES OF EPOXY-MODIFIED MORTARS WITHOUT HARDENER. Journal of Structural and Construction Engineering (Transactions of AIJ). 59(464). 1–6. 3 indexed citations
13.
Banthia, Nemkumar & Yoshihiko Ohama. (1989). DYNAMIC TENSILE FRACTURE OF CARBON FIBER REINFORCED CEMENTS. FIBRE REINFORCED CEMENTS AND CONCRETES: RECENT DEVELOPMENTS. PROCEEDINGS OF AN INTERNATIONAL CONFERENCE HELD AT THE UNIVERSITY OF WALES, COLLEGE OF CARDIFF, SCHOOL OF ENGINEERING, UNITED KINGDOM, SEPTEMBER 18-20, 1989. 3 indexed citations
14.
Ohama, Yoshihiko. (1987). PRINCIPLE OF LATEX MODIFICATION AND SOME TYPICAL PROPERTIES OF LATEX-MODIFIED MORTARS AND CONCRETES. TECHNICAL PAPER. TITLE NO. 84.M45. ACI Materials Journal. 84(6). 5 indexed citations
15.
Ohama, Yoshihiko, et al.. (1985). Properties of Carbon Fiber Reinforced Cement With Silica Fume. ACI Concrete International. 7(3). 58–62. 43 indexed citations
16.
Ohama, Yoshihiko, et al.. (1985). Drying shrinkage and strength of steel fiber reinforced mortars containing shrinkage-reducing agent.. Journal of the Society of Materials Science Japan. 34(376). 14–18. 2 indexed citations
17.
Ohama, Yoshihiko, et al.. (1977). . Journal of the Society of Materials Science Japan. 26(290). 1117–1123. 1 indexed citations
18.
Ohama, Yoshihiko. (1973). MIX PROPORTIONS AND PROPERTIES OF POLYESTER RESIN CONCRETE. ACI Materials Journal. 70(11). 283–294. 17 indexed citations
19.
Ohama, Yoshihiko. (1973). Basic Study on Manufacturing Process of Polystyrene-Impregnated Concrete by Heat-Polymerization-in-Hot-Water Method. Journal of the Society of Materials Science Japan. 22(232). 57–61. 1 indexed citations
20.
Ohama, Yoshihiko, et al.. (1964). PROPERTIES OF CEMENT MORTARS MODIFIED BY SB LATICES WITH VARIABLE BOUND STYRENE CONTENTS. NIPPON GOMU KYOKAISHI. 37(4). 258–265. 2 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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