Kenichi Nakajima

5.4k total citations · 1 hit paper
160 papers, 4.2k citations indexed

About

Kenichi Nakajima is a scholar working on Mechanical Engineering, Industrial and Manufacturing Engineering and Environmental Engineering. According to data from OpenAlex, Kenichi Nakajima has authored 160 papers receiving a total of 4.2k indexed citations (citations by other indexed papers that have themselves been cited), including 91 papers in Mechanical Engineering, 90 papers in Industrial and Manufacturing Engineering and 56 papers in Environmental Engineering. Recurrent topics in Kenichi Nakajima's work include Recycling and Waste Management Techniques (86 papers), Extraction and Separation Processes (82 papers) and Environmental Impact and Sustainability (52 papers). Kenichi Nakajima is often cited by papers focused on Recycling and Waste Management Techniques (86 papers), Extraction and Separation Processes (82 papers) and Environmental Impact and Sustainability (52 papers). Kenichi Nakajima collaborates with scholars based in Japan, United States and Australia. Kenichi Nakajima's co-authors include Tetsuya Nagasaka, Keisuke Nansai, Kazuyo Matsubae, Shinichiro Nakamura, Takuma Watari, Yasushi Kondo, Shigemi Kagawa, Hajime Ohno, Osamu Takeda and Takahiro Miki and has published in prestigious journals such as SHILAP Revista de lepidopterología, Environmental Science & Technology and PLoS ONE.

In The Last Decade

Kenichi Nakajima

148 papers receiving 4.1k citations

Hit Papers

align trajectories

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.

Review of critical metal dynamics to 2050 for 48 elements

2020 287 citations Takuma Watari, Keisuke Nansai et al. Resources Conservation and Recycling profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Kenichi Nakajima Japan	36	2.1k	1.8k	1.3k	524	481	160	4.2k
Barbara K. Reck United States	31	2.8k 1.3×	2.0k 1.2×	1.4k 1.1×	579 1.1×	795 1.7×	55	5.2k
Roland Hischier Switzerland	36	943 0.4×	1.7k 0.9×	1.8k 1.4×	871 1.7×	689 1.4×	100	5.8k
Karel Van Acker Belgium	39	2.0k 0.9×	1.4k 0.8×	600 0.5×	1.1k 2.0×	1.1k 2.3×	145	6.2k
Luca Ciacci Italy	27	1.2k 0.5×	1.0k 0.6×	718 0.6×	300 0.6×	364 0.8×	56	2.5k
Zoran J. N. Steinmann Netherlands	21	665 0.3×	859 0.5×	1.6k 1.3×	430 0.8×	440 0.9×	30	4.3k
Stefan Bringezu Germany	35	893 0.4×	684 0.4×	2.0k 1.5×	647 1.2×	380 0.8×	157	4.7k
Jonathan M. Cullen United Kingdom	36	937 0.4×	766 0.4×	1.4k 1.1×	922 1.8×	286 0.6×	100	4.9k
Marisa Vieira Netherlands	13	599 0.3×	916 0.5×	1.5k 1.2×	373 0.7×	343 0.7×	16	3.7k
Anne‐Marie Tillman Sweden	34	541 0.3×	1.1k 0.6×	1.6k 1.2×	805 1.5×	395 0.8×	79	4.4k
Paola Lettieri United Kingdom	42	1.4k 0.6×	2.2k 1.2×	504 0.4×	254 0.5×	1.6k 3.4×	160	7.0k

Countries citing papers authored by Kenichi Nakajima

Since Specialization

Citations

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

Fields of papers citing papers by Kenichi Nakajima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kenichi Nakajima

This figure shows the co-authorship network connecting the top 25 collaborators of Kenichi Nakajima. A scholar is included among the top collaborators of Kenichi Nakajima 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 Kenichi Nakajima. Kenichi Nakajima 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

Kawai, Kosuke, Lu Sun, Huijuan Dong, et al.. (2025). Industrial heat defossilization: A comparative analysis of waste incineration and clean energy scenarios. Journal of Cleaner Production. 491. 144802–144802. 4 indexed citations

Kosai, Shoki, et al.. (2025). Gold supply risk in the ASGM engaged countries: bibliometric-based approach. Environmental Research Infrastructure and Sustainability. 5(3). 35011–35011.

Fujii, Minoru, et al.. (2024). Decision analysis for prioritizing climate change adaptation options: a systematic review. Environmental Research Letters. 19(8). 83004–83004.

Sun, Lu, et al.. (2023). Systematic review of circular economy strategy outcomes in the automobile industry. Resources Conservation and Recycling. 198. 107203–107203. 10 indexed citations

Watari, Takuma, et al.. (2023). A review of gold production, mercury consumption, and emission in artisanal and small-scale gold mining (ASGM). Resources Policy. 81. 103370–103370. 25 indexed citations

Takasu, Yoko, Hana Sehadová, Naoyuki Yonemura, et al.. (2021). Mutation in Bombyx mori fibrohexamerin (P25) gene causes reorganization of rough endoplasmic reticulum in posterior silk gland cells and alters morphology of fibroin secretory globules in the silk gland lumen. Insect Biochemistry and Molecular Biology. 135. 103607–103607. 18 indexed citations

Watari, Takuma, Keisuke Nansai, Damien Giurco, et al.. (2020). Global Metal Use Targets in Line with Climate Goals. Environmental Science & Technology. 54(19). 12476–12483. 51 indexed citations

Lin, Hsin-Tien, Kenichi Nakajima, Eiji Yamasue, & Keiichi N. Ishihara. (2018). Recycling of End-of-Life Vehicles in Small Islands: The Case of Kinmen, Taiwan. Sustainability. 10(12). 4377–4377. 20 indexed citations

Nakamura, Shinichiro, Yasushi Kondo, Kenichi Nakajima, Hajime Ohno, & Stefan Pauliuk. (2017). Quantifying Recycling and Losses of Cr and Ni in Steel Throughout Multiple Life Cycles Using MaTrace-Alloy. Environmental Science & Technology. 51(17). 9469–9476. 74 indexed citations

10.

Ohno, Hajime, Kazuyo Matsubae, Kenichi Nakajima, Shinichiro Nakamura, & Tetsuya Nagasaka. (2014). Unintentional Flow of Alloying Elements in Steel during Recycling of End‐of‐Life Vehicles. Journal of Industrial Ecology. 18(2). 242–253. 82 indexed citations

11.

Yamasue, Eiji, Kazuyo Matsubae, Kenichi Nakajima, Seiji Hashimoto, & Tetsuya Nagasaka. (2013). Using Total Material Requirement to Evaluate the Potential for Recyclability of Phosphorous in Steelmaking Dephosphorization Slag. Journal of Industrial Ecology. 17(5). 722–730. 19 indexed citations

12.

Nakajima, Kenichi, et al.. (2011). Analysis of a sensory test with thin and thick fabric and a comparison of the KES hand value. 80(1). 53–58. 1 indexed citations

13.

Nakamura, Shinichiro, et al.. (2009). Analyzing Polyvinyl Chloride in Japan With the Waste Input−Output Material Flow Analysis Model. Journal of Industrial Ecology. 13(5). 706–717. 66 indexed citations

14.

Matsubae, Kazuyo, Hironari Kubo, Kenichi Nakajima, & Tetsuya Nagasaka. (2009). A Material Flow Analysis of Phosphorus in Japan. Journal of Industrial Ecology. 13(5). 687–705. 130 indexed citations

15.

Nakajima, Kenichi, Shinichiro Nakamura, Kazuyo Matsubae, Yasushi Kondo, & Tetsuya Nagasaka. (2009). Waste Input-Output Material Flow Analysis Model. Material Cycles and Waste Management Research. 20(5). 206–211. 1 indexed citations

16.

Mase, Keisuke, Tetsuya Iizuka, Eiji Okada, et al.. (2008). Breeding of the Silkworm Race “Sericin Flavo” for Production of Sericin Cocoons Containing Flavonol. Journal of insect biotechnology and sericology. 77(3). 171–174. 3 indexed citations

17.

Nakamura, Shinichiro, Kenichi Nakajima, Yasushi Kondo, & Tetsuya Nagasaka. (2007). The Waste Input‐Output Approach to Materials Flow Analysis. Journal of Industrial Ecology. 11(4). 50–63. 146 indexed citations

18.

Wada, Yasuhiko, et al.. (2007). Substance Flow Analysis on Diffused Toxics Contained in End-of-Life Cellular Phone. Journal of the Japan Institute of Metals and Materials. 71(9). 801–808. 4 indexed citations

19.

Nakamura, Shinichiro, Kenichi Nakajima, & Tetsuya Nagasaka. (2007). The Waste Input-Output Approach to Materials Flow Analysis: Concepts and Application to Base Metals. SSRN Electronic Journal. 4 indexed citations

20.

Nakajima, Kenichi, et al.. (2004). Recycling Process for the Resins Containing Brominated Flame Retardant. Transactions of the Materials Research Society of Japan. 29(5). 2105–2107. 1 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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