Nobuhiro Kumada

6.1k total citations · 1 hit paper
306 papers, 5.3k citations indexed

About

Nobuhiro Kumada is a scholar working on Materials Chemistry, Electrical and Electronic Engineering and Electronic, Optical and Magnetic Materials. According to data from OpenAlex, Nobuhiro Kumada has authored 306 papers receiving a total of 5.3k indexed citations (citations by other indexed papers that have themselves been cited), including 239 papers in Materials Chemistry, 115 papers in Electrical and Electronic Engineering and 96 papers in Electronic, Optical and Magnetic Materials. Recurrent topics in Nobuhiro Kumada's work include Ferroelectric and Piezoelectric Materials (112 papers), Microwave Dielectric Ceramics Synthesis (78 papers) and Chemical Synthesis and Characterization (43 papers). Nobuhiro Kumada is often cited by papers focused on Ferroelectric and Piezoelectric Materials (112 papers), Microwave Dielectric Ceramics Synthesis (78 papers) and Chemical Synthesis and Characterization (43 papers). Nobuhiro Kumada collaborates with scholars based in Japan, United States and Bangladesh. Nobuhiro Kumada's co-authors include Nobukazu Kinomura, Takahiro Takei, Yoshinori Yonesaki, Akira Miura, Yoshihiro Kuroiwa, A.W. Sleight, Chikako Moriyoshi, Fumio Muto, Satoshi Wada and Masaki Azuma and has published in prestigious journals such as Journal of the American Chemical Society, Physical Review Letters and Angewandte Chemie International Edition.

In The Last Decade

Nobuhiro Kumada

298 papers receiving 5.2k 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.

Heterophase Polymorph of TiO2 (Anatase, Rutile, Brookite, TiO2 (B)) for Efficient Photocatalyst: Fabrication and Activity

2023 223 citations Diana Rakhmawaty Eddy, Muhamad Diki Permana et al. profile →

Peers

Nobuhiro Kumada

EEE

EOMM

RESE

CMP

Alain Wattiaux France

Young‐Uk Kwon South Korea

R. Retoux France

Kandalam V. Ramanujachary United States

Takahiro Takei Japan

V. Šepelák Germany

Yusaku Takita Japan

Tomasz Klimczuk Poland

Alain Demourgues France

Nobukazu Kinomura Japan

Alain Wattiaux France

Nobuhiro Kumada

2.1k ×0.6

1.1k ×0.6

EEE

1.9k ×1.1

EOMM

532 ×0.6

RESE

914 ×1.1

CMP

Citations per year, relative to Nobuhiro Kumada Nobuhiro Kumada (= 1×) peers Alain Wattiaux

Countries citing papers authored by Nobuhiro Kumada

Since Specialization

Citations

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

Fields of papers citing papers by Nobuhiro Kumada

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Nobuhiro Kumada

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

Saito, Norio, et al.. (2025). Facile Synthesis of Inorganic–Organic Hybrid Lead Halide Perovskite Nanocrystals Embedded in the Layered Polysilicate Kenyaite. ACS Applied Materials & Interfaces. 17(39). 55232–55243.

Permana, Muhamad Diki, et al.. (2025). The synergistic effect of Fe3O4/g-C3N4 for persulfate activation in sulfate radical photo-Fenton. Colloids and Surfaces A Physicochemical and Engineering Aspects. 720. 137110–137110. 3 indexed citations

Permana, Muhamad Diki, et al.. (2024). Synthesis, ion-exchange and antibacterial properties of ETS-4, prepared using Na-kenyaite as a precursor. Materials Science and Engineering B. 310. 117712–117712. 2 indexed citations

Iwai, Yasunori, et al.. (2024). Selective adsorption properties of layered titanate for tritiated water. Fusion Engineering and Design. 202. 114426–114426. 1 indexed citations

Eddy, Diana Rakhmawaty, Muhamad Diki Permana, Norio Saito, et al.. (2024). Study on triphase of polymorphs TiO2 (anatase/rutile/brookite) for boosting photocatalytic activity of metformin degradation. Chemosphere. 351. 141206–141206. 19 indexed citations

Takei, Takahiro, et al.. (2024). Study on preparation and characterization of orthorhombic euxenite-type solid solutions between TbNbTiO6 and DyNbTiO6. Journal of the Ceramic Society of Japan. 132(4). 178–183.

Takei, Takahiro, et al.. (2023). Effect of aliovalent substitution on the crystal distortion and negative thermal expansion properties of Zr2SP2O12. Ceramics International. 49(13). 22197–22203. 2 indexed citations

Saito, Norio, et al.. (2023). Hydrothermal synthesis of hydrated layered polysilicate magadiite from coarse quartz glass blocks. Journal of the Ceramic Society of Japan. 131(8). 488–490. 2 indexed citations

Takei, Takahiro, et al.. (2023). Synthesis and characterization of columbite type solid solution structured niobate Mg1−xCaxNb2O6. Journal of the Ceramic Society of Japan. 131(8). 355–362. 6 indexed citations

10.

Hossain, Khandaker Monower, Md Saiduzzaman, Nobuhiro Kumada, Takahiro Takei, & Hisanori Yamane. (2022). Hydrothermal synthesis and crystal structure of a novel double-perovskite-type bismuth oxide with 3 : 1 ordering at the B-site. New Journal of Chemistry. 46(8). 3595–3601. 9 indexed citations

11.

Saiduzzaman, Md, Takahiro Takei, Sayaka Yanagida, et al.. (2019). Hydrothermal Synthesis of Pyrochlore-Type Pentavalent Bismuthates Ca₂Bi₂O₇ and Sr₂Bi₂O₇. Inorganic Chemistry. 58(3). 1759–1763. 18 indexed citations

12.

Saiduzzaman, Md, Takahiro Takei, Sayaka Yanagida, et al.. (2019). Hydrothermal Synthesis and Crystal Structure of a (Ba_0.54K_0.46)₄Bi₄O₁₂ Double-Perovskite Superconductor with Onset of the Transition T_c ∼ 30 K. Inorganic Chemistry. 58(18). 11997–12001. 36 indexed citations

13.

Shiraishi, Takahisa, Takao Shimizu, Hiroshi Funakubo, et al.. (2016). Crystal structure and compositional analysis of epitaxial (K_0.56Na_0.44)NbO₃films prepared by hydrothermal method. Journal of materials research/Pratt's guide to venture capital sources. 31(6). 693–701. 7 indexed citations

14.

Yoneda, Yasuhiro, Shinji Kohara, Nobuhiro Kumada, & Satoshi Wada. (2014). Local structure analysis of BaTiO. Japanese Journal of Applied Physics. 53(9). 3 indexed citations

15.

Kumada, Nobuhiro, et al.. (2011). Crystal structure and X-ray diffraction data of a new hexagonal perovskite compound, Ba ₄ CuNb ₃ O ₁₂. Powder Diffraction. 26(3). 244–247. 1 indexed citations

16.

Watanabe, Takayuki, Mikio Shimada, Toshiaki Aiba, et al.. (2011). Structural Transformation of Hexagonal (0001)BaTiO. Japanese Journal of Applied Physics. 50(9). 8 indexed citations

17.

Matsuda, Masaaki, Masaki Azuma, Masashi Tokunaga, Yuichi Shimakawa, & Nobuhiro Kumada. (2010). Disordered Ground State and Magnetic Field-Induced Long-Range Order in anS=3/2Antiferromagnetic Honeycomb Lattice CompoundBi3Mn4O12(NO3). Physical Review Letters. 105(18). 187201–187201. 75 indexed citations

18.

Kumada, Nobuhiro, et al.. (2006). Ion-exchange Reaction of Protonated Layer Compounds with Bi^ Ion(Other Topics,Proceedings of the 13^ International Clay Conference). Clay science. 12(2). 331–335. 2 indexed citations

19.

Kumada, Nobuhiro, et al.. (1994). Crystal structure of a new hydrogen bismuth chromate: HBi3(CrO4)2O3. European Journal of Solid State and Inorganic Chemistry. 31. 739–746. 11 indexed citations

20.

Kumada, Nobuhiro, Masahiro Hosoda, & Nobukazu Kinomura. (1993). Preparation of Alkaline Earth Bismuth Pyrochlores Containing Bi5+ by Low Temperature Hydrothermal Reaction. Journal of Solid State Chemistry. 106(2). 476–484. 37 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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