Kikuo Okuyama

25.1k total citations · 4 hit papers
619 papers, 21.2k citations indexed

About

Kikuo Okuyama is a scholar working on Materials Chemistry, Electrical and Electronic Engineering and Water Science and Technology. According to data from OpenAlex, Kikuo Okuyama has authored 619 papers receiving a total of 21.2k indexed citations (citations by other indexed papers that have themselves been cited), including 268 papers in Materials Chemistry, 255 papers in Electrical and Electronic Engineering and 116 papers in Water Science and Technology. Recurrent topics in Kikuo Okuyama's work include Coagulation and Flocculation Studies (109 papers), nanoparticles nucleation surface interactions (74 papers) and Particle Dynamics in Fluid Flows (67 papers). Kikuo Okuyama is often cited by papers focused on Coagulation and Flocculation Studies (109 papers), nanoparticles nucleation surface interactions (74 papers) and Particle Dynamics in Fluid Flows (67 papers). Kikuo Okuyama collaborates with scholars based in Japan, Indonesia and United States. Kikuo Okuyama's co-authors include Ferry Iskandar, I. Wuled Lenggoro, Takashi Ogi, Asep Bayu Dani Nandiyanto, Yasuo Kousaka, Manabu Shimada, Wei‐Ning Wang, Toru Iwaki, Ratna Balgis and John H. Seinfeld and has published in prestigious journals such as Advanced Materials, The Journal of Chemical Physics and SHILAP Revista de lepidopterología.

In The Last Decade

Kikuo Okuyama

606 papers receiving 20.5k citations

Hit Papers

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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.

White light-emitting organic electroluminescent devices using the poly(N-vinylcarbazole) emitter layer doped with three fluorescent dyes

1994 641 citations Kikuo Okuyama et al. profile →
Correlation between particle size/domain structure and magnetic properties of highly crystalline Fe3O4 nanoparticles

2017 619 citations Takashi Ogi, Toru Iwaki et al. profile →
Progress in developing spray-drying methods for the production of controlled morphology particles: From the nanometer to submicrometer size ranges

2010 609 citations Kikuo Okuyama et al. profile →
Preparation of nanoparticles via spray route

2003 509 citations Kikuo Okuyama, I. Wuled Lenggoro profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Kikuo Okuyama Japan	71	10.5k	8.1k	3.4k	2.8k	2.2k	619	21.2k
Michael R. Zachariah United States	79	10.4k 1.0×	5.3k 0.6×	3.6k 1.0×	2.3k 0.9×	1.3k 0.6×	460	22.1k
Eli Ruckenstein United States	82	12.5k 1.2×	3.6k 0.4×	6.2k 1.8×	850 0.3×	1.8k 0.8×	931	29.0k
Sotiris E. Pratsinis Switzerland	102	15.5k 1.5×	9.2k 1.1×	10.1k 3.0×	4.6k 1.7×	7.8k 3.6×	518	34.4k
Lutz Mädler Germany	64	17.4k 1.6×	3.8k 0.5×	8.7k 2.5×	2.9k 1.1×	1.8k 0.8×	257	28.8k
Alexander V. Neimark United States	67	16.7k 1.6×	4.9k 0.6×	8.0k 2.3×	3.7k 1.3×	3.6k 1.7×	225	33.3k
Wolfgang Peukert Germany	61	6.6k 0.6×	3.2k 0.4×	3.8k 1.1×	1.1k 0.4×	1.8k 0.8×	545	15.8k
Esko I. Kauppinen Finland	74	11.8k 1.1×	7.9k 1.0×	5.5k 1.6×	2.5k 0.9×	382 0.2×	565	21.4k
Egon Matijević United States	72	9.6k 0.9×	3.2k 0.4×	4.2k 1.2×	4.6k 1.7×	3.7k 1.7×	332	20.7k
C. M. Sorensen United States	64	7.2k 0.7×	2.0k 0.2×	2.9k 0.8×	1.6k 0.6×	1.7k 0.8×	313	15.0k
Stephen C. Parker United Kingdom	73	11.7k 1.1×	3.5k 0.4×	1.5k 0.4×	3.1k 1.1×	1.0k 0.5×	372	18.8k

Countries citing papers authored by Kikuo Okuyama

Since Specialization

Citations

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

Fields of papers citing papers by Kikuo Okuyama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kikuo Okuyama

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

Arutanti, Osi, Aditya Farhan Arif, Takashi Ogi, & Kikuo Okuyama. (2024). Hydrogenation Synthesis of Sub-stoichiometric Tungsten Oxide (WOX) Nanoparticles and Its Superior Decompose Rhodamine B Behavior. Catalysis Letters. 154(7). 3976–3988. 3 indexed citations

Permatasari, Fitri Aulia, et al.. (2018). Design of Pyrrolic-N-Rich Carbon Dots with Absorption in the First Near-Infrared Window for Photothermal Therapy. ACS Applied Nano Materials. 1(5). 2368–2375. 116 indexed citations

Ogi, Takashi, et al.. (2018). Simple, Rapid, and Environmentally Friendly Method for Selectively Recovering Tantalum by Guanidine-Assisted Precipitation. ACS Sustainable Chemistry & Engineering. 6(8). 9585–9590. 11 indexed citations

Yang, Chengbin, Kok Ken Chan, Gaixia Xu, et al.. (2018). Biodegradable Polymer-Coated Multifunctional Graphene Quantum Dots for Light-Triggered Synergetic Therapy of Pancreatic Cancer. ACS Applied Materials & Interfaces. 11(3). 2768–2781. 64 indexed citations

Widiyastuti, W., Siti Machmudah, Tantular Nurtono, et al.. (2017). Morphology and Optical Properties of Zinc Oxide Nanoparticles Synthesised by Solvothermal Method. SHILAP Revista de lepidopterología. 4 indexed citations

Arif, Aditya Farhan, et al.. (2016). Rapid microwave-assisted synthesis of nitrogen-functionalized hollow carbon spheres with high monodispersity. Carbon. 107. 11–19. 39 indexed citations

Kim, Chansoo, Namgyu Kim, Toru Iwaki, et al.. (2015). Selective, high efficiency reduction of CO₂ in a non-diaphragm-based electrochemical system at low applied voltage. RSC Advances. 1 indexed citations

Jang, Hee‐Dong, Hankwon Chang, Kuk Cho, et al.. (2008). Fabrication of porous nanostructured TiO2 particles by an aerosol templating method. Ultramicroscopy. 108(10). 1241–1245. 14 indexed citations

Tanabe, Eishi, et al.. (2008). Preparation of Transparent Nanocomposite Microspheres via Dispersion of High-Concentration TiO2 and BaTiO3 Nanoparticles in Acrylic Monomer. Journal of the Society of Powder Technology Japan. 45(1). 23–29. 5 indexed citations

10.

Yamaguchi, Tetsuji & Kikuo Okuyama. (2007). Development of PCS Apparatus for Polydisperse Single Nanoparticles and Its Performance Evaluation. Journal of the Society of Powder Technology Japan. 44(1). 19–27. 1 indexed citations

11.

Shimada, Manabu, et al.. (2005). Measurement of Property Change in Cigarette Main-Stream Smoke Using Laser Light Scattering Method. 20(4). 345–351. 2 indexed citations

12.

Hayashi, Yutaka, et al.. (2005). Effects of Gas Flow Rate on Particulate Contamination in a PECVD Reactor. Journal of the Society of Powder Technology Japan. 42(2). 105–109.

13.

Yamaguchi, Tetsuji, Yasushi Azuma, & Kikuo Okuyama. (2005). Development of Photon Correlation Spectroscopy Instrument for Size Analysis of Nanometer-Sized Particles of below 10nm. Journal of the Society of Powder Technology Japan. 42(1). 11–16. 3 indexed citations

14.

Okuyama, Kikuo, et al.. (2004). Preparation of Au/Ag Alloy Particles by Spray Pyrolysis and Its Applications. Journal of the Society of Powder Technology Japan. 41(4). 246–251. 2 indexed citations

15.

Matsumoto, Kazuaki, et al.. (2003). Dispersion of Surface Modified Silica Nanoparticles into a Resin by Using a Twin Screw Extruder. Journal of the Society of Powder Technology Japan. 40(7). 489–496. 2 indexed citations

16.

Kondo, Kaoru, et al.. (2002). Detection of Particles in Semiconductor Material Gases Using Light Scattering Method.. Journal of the Society of Powder Technology Japan. 39(11). 806–812.

17.

Okuyama, Kikuo, et al.. (1996). The Formation of Ultrafine Particles of Metal Sulfide by the Electrostatic Spray Pyrolysis Method.. Journal of the Society of Powder Technology Japan. 33(3). 192–198. 3 indexed citations

18.

Seto, Takafumi, et al.. (1996). Morphology and Electric Property of Aluminium-doped Zinc Oxide Fine Particles Produced by CVD.. Journal of the Society of Powder Technology Japan. 33(3). 187–191. 2 indexed citations

19.

Okuyama, Kikuo. (1989). Models for gas phase nucleation.. Journal of the Society of Powder Technology Japan. 26(3). 195–202.

20.

Kousaka, Yasuo, et al.. (1987). A Precise Method to Determine the Diameter of Airborne Latex Particles. 2(3). 200–206. 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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