Eiji Maruyama

4.1k total citations · 3 hit papers
40 papers, 3.4k citations indexed

About

Eiji Maruyama is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Eiji Maruyama has authored 40 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 40 papers in Electrical and Electronic Engineering, 22 papers in Materials Chemistry and 6 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Eiji Maruyama's work include Silicon and Solar Cell Technologies (36 papers), Thin-Film Transistor Technologies (33 papers) and Silicon Nanostructures and Photoluminescence (22 papers). Eiji Maruyama is often cited by papers focused on Silicon and Solar Cell Technologies (36 papers), Thin-Film Transistor Technologies (33 papers) and Silicon Nanostructures and Photoluminescence (22 papers). Eiji Maruyama collaborates with scholars based in Japan and India. Eiji Maruyama's co-authors include Mikio Taguchi, Takahiro Mishima, Makoto Tanaka, Hitoshi Sakata, Kenta Matsuyama, Yuya Nakamura, Takeshi Nishiwaki, Kazunori Fujita, Daisuke Fujishima and Akira Terakawa and has published in prestigious journals such as Solar Energy Materials and Solar Cells, Journal of Non-Crystalline Solids and Japanese Journal of Applied Physics.

In The Last Decade

Eiji Maruyama

40 papers receiving 3.3k 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.

Achievement of More Than 25% Conversion Efficiency With Crystalline Silicon Heterojunction Solar Cell

2014 1.0k citations Daisuke Fujishima, Takahiro Mishima et al. IEEE Journal of Photovoltaics profile →
24.7% Record Efficiency HIT Solar Cell on Thin Silicon Wafer

2013 929 citations Mikio Taguchi, Kenta Matsuyama et al. IEEE Journal of Photovoltaics profile →
Development status of high-efficiency HIT solar cells

2010 378 citations Takahiro Mishima, Mikio Taguchi et al. Solar Energy Materials and Solar Cells profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Eiji Maruyama Japan	16	3.2k	1.3k	899	430	391	40	3.4k
Mikio Taguchi Japan	17	4.0k 1.2×	1.7k 1.3×	1.1k 1.2×	490 1.1×	459 1.2×	36	4.2k
Armin Richter Germany	30	4.4k 1.4×	1.2k 0.9×	1.6k 1.8×	385 0.9×	482 1.2×	90	4.6k
Kunta Yoshikawa Japan	5	2.5k 0.8×	1.0k 0.8×	700 0.8×	339 0.8×	318 0.8×	9	2.8k
Hayato Kawasaki Japan	7	2.5k 0.8×	996 0.8×	685 0.8×	309 0.7×	300 0.8×	10	2.7k
Toru Irie Japan	6	2.5k 0.8×	989 0.8×	674 0.7×	323 0.8×	299 0.8×	8	2.7k
Hisashi Uzu Japan	11	2.9k 0.9×	1.1k 0.9×	749 0.8×	350 0.8×	323 0.8×	18	3.1k
Andreas Fell Germany	23	3.1k 1.0×	786 0.6×	1.0k 1.1×	249 0.6×	368 0.9×	125	3.3k
Ronald A. Sinton United States	27	3.7k 1.1×	946 0.7×	1.3k 1.4×	305 0.7×	592 1.5×	96	3.8k
Jan Benick Germany	38	5.0k 1.6×	1.3k 1.0×	1.8k 2.0×	761 1.8×	468 1.2×	149	5.2k
Martin Bivour Germany	36	4.8k 1.5×	1.5k 1.1×	2.0k 2.3×	321 0.7×	300 0.8×	118	4.9k

Countries citing papers authored by Eiji Maruyama

Since Specialization

Citations

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

Fields of papers citing papers by Eiji Maruyama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Eiji Maruyama

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

Taguchi, Mikio, Kenta Matsuyama, Yuya Nakamura, et al.. (2013). 24.7% Record Efficiency HIT Solar Cell on Thin Silicon Wafer. IEEE Journal of Photovoltaics. 4(1). 96–99. 929 indexed citations breakdown →

Mishima, Takahiro, Mikio Taguchi, Hitoshi Sakata, & Eiji Maruyama. (2010). Development status of high-efficiency HIT solar cells. Solar Energy Materials and Solar Cells. 95(1). 18–21. 378 indexed citations breakdown →

Fujishima, Daisuke, Hiroshi Kanno, Toshihiro Kinoshita, et al.. (2009). Organic thin-film solar cell employing a novel electron-donor material. Solar Energy Materials and Solar Cells. 93(6-7). 1029–1032. 83 indexed citations

Fujishima, Daisuke, Takeshi Nishiwaki, Takeshi Nakashima, et al.. (2009). Improving the Conversion Efficiency and Decreasing the Thickness of the HIT Solar Cell. MRS Proceedings. 1210. 3 indexed citations

Kanno, Hiroshi, Toshiaki Baba, Yukihiro Yoshimine, et al.. (2008). Over 22% Efficient Hit Solar Cell. EU PVSEC. 1136–1139. 10 indexed citations

Kinoshita, Toshihiro, Daisuke Ide, Toshiaki Baba, et al.. (2008). High-Efficiency HIT Solar Cells for Excellent Power Generating Properties. 1 indexed citations

Taguchi, Mikio, Yukihiro Yoshimine, Toshiaki Baba, et al.. (2008). Excellent power-generating properties by using the HIT structure. Conference record of the IEEE Photovoltaic Specialists Conference. 1–5. 12 indexed citations

Taguchi, Mikio, Hitoshi Sakata, Yukihiro Yoshimine, et al.. (2005). An approach for the higher efficiency in the HIT cells. 866–871. 30 indexed citations

Maruyama, Eiji, et al.. (2002). Toward stabilized 10% efficiency of large-area (>5000cm2) a-Si/a-SiGe tandem solar cells using high-rate deposition. Solar Energy Materials and Solar Cells. 74(1-4). 339–349. 34 indexed citations

10.

Hishikawa, Yoshihiro, Eiji Maruyama, S. Kuroda, et al.. (2002). Approaches for stable multi-junction a-Si solar cells. 1. 386–393. 1 indexed citations

11.

Maruyama, Eiji, Akira Terakawa, Yoshihiro Hishikawa, et al.. (2002). Improvement for high-efficiency, stable multi-junction cells. 149. 827–832. 1 indexed citations

12.

Shima, Masaki, Masao Isomura, Eiji Maruyama, et al.. (1998). Investigation of Hydrogenated Amorphous Silicon Germanium Fabricated under High Hydrogen Dilution and Low Deposition Temperature Conditions for Stable Solar Cells. Japanese Journal of Applied Physics. 37(12R). 6322–6322. 15 indexed citations

13.

Hishikawa, Yoshihiro, et al.. (1997). Optical confinement in high-efficiency a-Si solar cells with textured surfaces. Solar Energy Materials and Solar Cells. 49(1-4). 143–148. 15 indexed citations

14.

Maruyama, Eiji, Yoshihiro Hishikawa, Makoto Tanaka, Seiichi Kiyama, & Shinya Tsuda. (1997). Improvement in a-Si:H Properties by Inert Gas Plasma Treatment. Japanese Journal of Applied Physics. 36(1R). 33–33. 3 indexed citations

15.

Hishikawa, Yoshihiro, Eiji Maruyama, S. Kuroda, et al.. (1996). Approaches for stable multi-junction a-Si solar cells. Solar Energy Materials and Solar Cells. 41-42. 441–452. 3 indexed citations

16.

Maruyama, Eiji, et al.. (1996). Practical Simulation of the I–V Curve for Amorphous-Silicon-Based Multijunction Solar Cells after Light Soaking. Japanese Journal of Applied Physics. 35(10R). 5274–5274. 1 indexed citations

17.

Maruyama, Eiji, S. Tsuda, & Shinya Nakano. (1995). Industrialization of Amorphous Silicon Solar Cells and Their Future Applications. Diffusion and defect data, solid state data. Part B, Solid state phenomena/Solid state phenomena. 44-46. 863–882. 3 indexed citations

18.

Tarui, Hisaki, et al.. (1994). Low-Hydrogen-Content, Stable Amorphous Silicon Thin Films Prepared by Ion-Assisted Method. Japanese Journal of Applied Physics. 33(10R). 5652–5652. 2 indexed citations

19.

Maruyama, Eiji, Yukihiro Yoshimine, Akira Terakawa, et al.. (1993). Improvement in Performance of A-SiGe:H Solar Cells for Multi-Junction Cells. MRS Proceedings. 297. 7 indexed citations

20.

Maruyama, Eiji, Noboru Nakamura, Shinya Tsuda, et al.. (1991). High-Performance a-SiGe Solar Cells Using a Super Chamber Method. Japanese Journal of Applied Physics. 30(11R). 2700–2700. 5 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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