Takehiro Toyooka

1.7k total citations · 1 hit paper
40 papers, 1.5k citations indexed

About

Takehiro Toyooka is a scholar working on Electronic, Optical and Magnetic Materials, Electrical and Electronic Engineering and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Takehiro Toyooka has authored 40 papers receiving a total of 1.5k indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in Electronic, Optical and Magnetic Materials, 24 papers in Electrical and Electronic Engineering and 22 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Takehiro Toyooka's work include Liquid Crystal Research Advancements (29 papers), Photonic Crystals and Applications (17 papers) and Photonic and Optical Devices (13 papers). Takehiro Toyooka is often cited by papers focused on Liquid Crystal Research Advancements (29 papers), Photonic Crystals and Applications (17 papers) and Photonic and Optical Devices (13 papers). Takehiro Toyooka collaborates with scholars based in Japan, South Korea and United States. Takehiro Toyooka's co-authors include Hideo Takezoe, Suzushi Nishimura, Ken Ishikawa, Fumito Araoka, Won Hoe Koo, Soon Moon Jeong, Yoichi Takanishi, Myoung Hoon Song, Byoungchoo Park and Jisoo Hwang and has published in prestigious journals such as Advanced Materials, Nature Materials and Advanced Functional Materials.

In The Last Decade

Takehiro Toyooka

40 papers receiving 1.4k 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.

Light extraction from organic light-emitting diodes enhanced by spontaneously formed buckles

2010 505 citations Won Hoe Koo, Soon Moon Jeong et al. profile →

Peers

Takehiro Toyooka

EEE

EOMM

AMPO

Andy Y.‐G. Fuh Taiwan

Akira Emoto Japan

Chia‐Rong Lee Taiwan

Chun‐Ta Wang Taiwan

V. Ya. Zyryanov Russia

Daeseung Kang South Korea

Jürgen Schmidtke Germany

W. Stille Germany

Ian B. Burgess United States

Andy Ying‐Guey Fuh Taiwan

Andy Y.‐G. Fuh Taiwan

Takehiro Toyooka

514 ×0.6

EEE

1.2k ×1.8

EOMM

825 ×1.3

AMPO

276 ×0.8

219 ×0.8

Citations per year, relative to Takehiro Toyooka Takehiro Toyooka (= 1×) peers Andy Y.‐G. Fuh

Countries citing papers authored by Takehiro Toyooka

Since Specialization

Citations

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

Fields of papers citing papers by Takehiro Toyooka

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Takehiro Toyooka

This figure shows the co-authorship network connecting the top 25 collaborators of Takehiro Toyooka. A scholar is included among the top collaborators of Takehiro Toyooka 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 Takehiro Toyooka. Takehiro Toyooka is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Koo, Won Hoe, Soon Moon Jeong, Suzushi Nishimura, et al.. (2011). Polarization Conversion in Surface‐Plasmon‐Coupled Emission from Organic Light‐Emitting Diodes Using Spontaneously Formed Buckles. Advanced Materials. 23(8). 1003–1007. 50 indexed citations

Choi, Hyunhee, Suzushi Nishimura, Takehiro Toyooka, Ken Ishikawa, & Hideo Takezoe. (2011). Analysis of Cavity‐Mode Lasing Characteristics from a Resonator with Broadband Cholesteric Liquid‐Crystal Bragg Reflectors. Advanced Functional Materials. 21(18). 3430–3438. 12 indexed citations

Choi, Hyunhee, Suzushi Nishimura, Takehiro Toyooka, et al.. (2010). Broadband Cavity‐Mode Lasing from Dye‐Doped Nematic Liquid Crystals Sandwiched by Broadband Cholesteric Liquid Crystal Bragg Reflectors. Advanced Materials. 22(24). 2680–2684. 58 indexed citations

Takanishi, Yoichi, Na Young Ha, Takehiro Toyooka, et al.. (2007). Defect-Mode Lasing from a Three-Layered Helical Cholesteric Liquid Crystal Structure. Japanese Journal of Applied Physics. 46(6R). 3510–3510. 21 indexed citations

Choi, Suk‐Won, Na Young Ha, N. V. S. Rao, et al.. (2006). Photoinduced circular anisotropy in a photochromicW-shaped-molecule-doped polymeric liquid crystal film. Physical Review E. 73(2). 21702–21702. 38 indexed citations

Hwang, Jisoo, Myoung Hoon Song, Byoungchoo Park, et al.. (2005). Electro-tunable optical diode based on photonic bandgap liquid-crystal heterojunctions. Nature Materials. 4(5). 383–387. 270 indexed citations

Song, Myoung Hoon, Yoichi Takanishi, Ken Ishikawa, et al.. (2005). Enhancement of Laser Emission Intensity in Dye-Doped Cholesteric Liquid Crystals with Single-Output Window. Japanese Journal of Applied Physics. 44(6R). 3748–3748. 10 indexed citations

Song, Myoung Hoon, Byoungchoo Park, Yoichi Takanishi, et al.. (2005). Lasing from Thick Anisotropic Layer Sandwiched between Polymeric Cholesteric Liquid Crystal Films. Japanese Journal of Applied Physics. 44(11R). 8165–8165. 20 indexed citations

Song, Myoung Hoon, Byoungchoo Park, Yoichi Takanishi, et al.. (2005). Simple electro-tunable optical diode using photonic and anisotropic liquid crystal films. Thin Solid Films. 509(1-2). 49–52. 26 indexed citations

10.

Song, Myoung Hoon, Yoichi Takanishi, Ken Ishikawa, et al.. (2005). Lowering the Lasing Threshold by Introducing Cholesteric Liquid Crystal Films to Dye-Doped Cholesteric Liquid Crystal Cell Surfaces. Japanese Journal of Applied Physics. 44(11R). 7966–7966. 17 indexed citations

11.

Matsumoto, Takuya, et al.. (2004). P‐106: Expansion of the High Iso‐Contrast Ratio Area for Transflective TFT‐LCDs with Hybrid Aligned Nematic Compensators. SID Symposium Digest of Technical Papers. 35(1). 666–669. 3 indexed citations

12.

Satō, Hajime, et al.. (2003). P‐122: Novel Ultra‐Thin Hybrid Aligned Nematic Compensators for Wide‐Viewing‐Angle Transflective TFT‐LCDs. SID Symposium Digest of Technical Papers. 34(1). 692–695. 1 indexed citations

13.

Masaki, A., et al.. (2001). 27.2: Twisted‐Nematic Compensator for Reflective Color NB‐STN‐LCDs with a Single Polarizer. SID Symposium Digest of Technical Papers. 32(1). 452–455. 5 indexed citations

14.

Toyooka, Takehiro, et al.. (2000). Hybrid Aligned Rod-Like Liquid Crystalline Polymer Film as Viewing Angle Compensator for NW-TN-LCDs: Improvement of Gray Scale Performance. IEICE Transactions on Electronics. 83(10). 1588–1593. 1 indexed citations

15.

Toyooka, Takehiro & Yoshihiro Kobori. (2000). "NISSEKI LC Film" Liquid Crystalline Polymer Film for Optical Devices.. Journal of Photopolymer Science and Technology. 13(2). 301–306. 1 indexed citations

16.

Watanabe, Junji, Kotaro Kajikawa, Hideo Takezoe, et al.. (1991). Second-Harmonic Generation in Noncentrosymmetric p-Nitroaniline Spontaneously Crystallized by Quenching from Lyotropic Liquid Crystalline Poly(γ-benzyl-L-glutamate). Japanese Journal of Applied Physics. 30(8R). 1710–1710. 7 indexed citations

17.

Takezoe, Hideo, et al.. (1987). Determination of Twist Elastic Constant K₂₂ by Forced Rayleigh Scattering. Japanese Journal of Applied Physics. 26(4A). L240–L240. 10 indexed citations

18.

Toyooka, Takehiro, Guoping Chen, Hideo Takezoe, & Atsuo Fukuda. (1987). Determination of Twist Elastic Constant K₂₂ in 5CB by Four Independent Light-Scattering Techniques. Japanese Journal of Applied Physics. 26(12R). 1959–1959. 34 indexed citations

19.

Chen, Guoping, et al.. (1986). Accurate Determination of K_1/η_ , K_2/η_ and K_3/η_ in Nematic Liquid Crystalsby Using Photon Correlation Spectroscopy. Japanese Journal of Applied Physics. 25(7). 3 indexed citations

20.

Chen, Guoping, et al.. (1986). Accurate Determination of K₁/η_splay, K₂/η_twist and K₃/η_bend in Nematic Liquid Crystalsby Using Photon Correlation Spectroscopy. Japanese Journal of Applied Physics. 25(7A). L607–L607. 17 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.

Explore authors with similar magnitude of impact