Takeo Koyama
- Co-authors
- Madoka SutohTadakatsu YoneyamaHiroyuki YamatoYan JinKazuhiko HasegawaT MochizukiKatsumi KanekoAkira Marui
- Topics
- Maritime Navigation and Safety (14 papers)Ship Hydrodynamics and Maneuverability (13 papers)Rice Cultivation and Yield Improvement (10 papers)
- Cited by
- Ocean EngineeringPaleontologyEcology
- Partner nations
- JapanThailandUnited States
In The Last Decade
Takeo Koyama
64 papers receiving 307 citations
Peers
Comparison fields: 5 of 80
- Ecology 114
- Ocean Engineering 93
- Plant Science 51
- Paleontology 42
- Control and Systems Engineering 36
Countries citing papers authored by Takeo Koyama
This map shows the geographic impact of Takeo Koyama'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 Takeo Koyama with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Takeo Koyama more than expected).
Fields of papers citing papers by Takeo Koyama
This network shows the impact of papers produced by Takeo Koyama. 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 Takeo Koyama. The network helps show where Takeo Koyama may publish in the future.
Co-authorship network of co-authors of Takeo Koyama
This figure shows the co-authorship network connecting the top 25 collaborators of Takeo Koyama. A scholar is included among the top collaborators of Takeo Koyama 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 Takeo Koyama. Takeo Koyama is excluded from the visualization to improve readability, since they are connected to all nodes in the network.
All Works
| # | Work | Indexed citations |
|---|---|---|
| 1 | 0 | |
| 2 | 2 | |
| 3 | 1 | |
| 4 | 1 | |
| 5 | An Approach to Knowledge Acquisition for the Hull Form Design of Fishing Crafts:2nd Report : Object Oriented Methodology for the Rapid Development of Procedural Tools and Interactive Elicitation for Hull Selection | 2 |
| 6 | Uptake and Translocation of Nitrogen in Satsuma Mandarin Trees | 3 |
| 7 | 1 | |
| 8 | 1 | |
| 9 | 2 | |
| 10 | 12 | |
| 11 | 9 | |
| 12 | Determination of Nitrogen-Supplying Capacity of Soils Using 15N Tracer Technique | 2 |
| 13 | 0 | |
| 14 | Effect of transplanting time on rice plant growth and grain yield in Thailand | 2 |
| 15 | Nitrogen application technology for tropical rice as determined by field experiments using 15N tracer technique | 13 |
| 16 | ON WAVE EXCITATIONLESS SHIP FORMS | 2 |
| 17 | 1 | |
| 18 | 2 | |
| 19 | ON THE OPTIMUM AUTOMATIC STEERING SYSTEM OF SHIPS AT SEA | 8 |
| 20 | 0 |
About Takeo Koyama
Takeo Koyama is a scholar working on Ocean Engineering, Industrial and Manufacturing Engineering and Computational Mechanics, having authored 74 papers that have together received 351 indexed citations. Recurring topics across this work include Maritime Navigation and Safety (14 papers), Ship Hydrodynamics and Maneuverability (13 papers) and Rice Cultivation and Yield Improvement (10 papers). The work is most often cited by research in Ocean Engineering (93 citations), Paleontology (42 citations) and Ecology (114 citations). Takeo Koyama has collaborated with scholars based in Japan, Thailand and United States. Frequent co-authors include Madoka Sutoh, Tadakatsu Yoneyama, Hiroyuki Yamato, Yan Jin, Kazuhiko Hasegawa, T Mochizuki, Katsumi Kaneko, Akira Marui, Takuro Wada and M. Matoba. Their work appears in journals such as European Heart Journal, Journal of Vascular Surgery and Bulletin of the Chemical Society of Japan.
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.