Kiichi Okita

1.7k total citations
37 papers, 740 citations indexed

About

Kiichi Okita is a scholar working on Astronomy and Astrophysics, Instrumentation and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Kiichi Okita has authored 37 papers receiving a total of 740 indexed citations (citations by other indexed papers that have themselves been cited), including 26 papers in Astronomy and Astrophysics, 17 papers in Instrumentation and 15 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Kiichi Okita's work include Stellar, planetary, and galactic studies (21 papers), Astronomy and Astrophysical Research (17 papers) and Adaptive optics and wavefront sensing (15 papers). Kiichi Okita is often cited by papers focused on Stellar, planetary, and galactic studies (21 papers), Astronomy and Astrophysical Research (17 papers) and Adaptive optics and wavefront sensing (15 papers). Kiichi Okita collaborates with scholars based in Japan, Serbia and United States. Kiichi Okita's co-authors include M. Yoshida, Hideyuki Izumiura, Eiji Kambe, Wako Aoki, Masahide Takada‐Hidai, Etsuji Watanabe, Bun’ei Sato, Hiroyasu Ando, Satoshi Honda and Kunio Noguchi and has published in prestigious journals such as Science, The Astrophysical Journal and Frontiers in Immunology.

In The Last Decade

Kiichi Okita

35 papers receiving 716 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Kiichi Okita Japan 12 673 229 73 63 32 37 740
Peter G. Friedman United States 11 506 0.8× 245 1.1× 26 0.4× 79 1.3× 24 0.8× 21 582
Toshinori Maihara Japan 18 600 0.9× 220 1.0× 110 1.5× 47 0.7× 51 1.6× 62 713
O. L. Lupie United States 12 700 1.0× 97 0.4× 44 0.6× 108 1.7× 12 0.4× 37 741
Keith Taylor Australia 12 339 0.5× 181 0.8× 98 1.3× 36 0.6× 23 0.7× 46 438
Jarron Leisenring United States 17 652 1.0× 148 0.6× 123 1.7× 30 0.5× 79 2.5× 63 730
Ikuru Iwata Japan 15 854 1.3× 362 1.6× 96 1.3× 126 2.0× 16 0.5× 49 899
Yuji Ikeda Japan 13 410 0.6× 87 0.4× 120 1.6× 68 1.1× 49 1.5× 89 576
Fred Hearty United States 11 611 0.9× 334 1.5× 96 1.3× 22 0.3× 42 1.3× 29 692
Hiroshi Karoji Japan 9 266 0.4× 128 0.6× 68 0.9× 42 0.7× 11 0.3× 29 332
Olivier Hernandez Canada 18 907 1.3× 451 2.0× 52 0.7× 111 1.8× 16 0.5× 44 977

Countries citing papers authored by Kiichi Okita

Since Specialization
Citations

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

Fields of papers citing papers by Kiichi Okita

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kiichi Okita

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

All Works

20 of 20 papers shown
1.
Okita, Kiichi, Hideyuki Arita, Kenichi Sudo, Teruki Yoshimura, & Etsuro Ito. (2025). Establishment of an Assay with Ultrahigh Sensitivity for Detecting sEV-Derived PD-L1 as a Serum Biomarker for Lung Cancer—A Pilot Study Using TN-cyclon™. Current Issues in Molecular Biology. 47(7). 564–564.
2.
Ogawa, R., et al.. (2024). Ultrasensitive protein-level detection for respiratory infectious viruses. Frontiers in Immunology. 15. 1445771–1445771. 2 indexed citations
3.
Yanagisawa, K., Yasuhiro Shimizu, Kiichi Okita, et al.. (2019). Okayama Astrophysical Observatory Wide-Field Camera. Publications of the Astronomical Society of Japan. 71(6). 2 indexed citations
4.
Yanagisawa, K., Yasuhiro Shimizu, Kiichi Okita, et al.. (2016). Okayama astrophysical observatory wide-field camera: status and performance. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 9908. 99085D–99085D. 1 indexed citations
5.
Harakawa, Hiroki, Bun’ei Sato, Masashi Omiya, et al.. (2015). FIVE NEW EXOPLANETS ORBITING THREE METAL-RICH, MASSIVE STARS: TWO-PLANET SYSTEMS INCLUDING LONG-PERIOD PLANETS AND AN ECCENTRIC PLANET. The Astrophysical Journal. 806(1). 5–5. 12 indexed citations
6.
Yanagisawa, K., D. Kuroda, Y. Shimizu, et al.. (2011). GRB110915A Mitsume okayama j-band upper-limit.. GCN. 12345. 1. 1 indexed citations
7.
Ozaki, Shinobu, Ikuru Iwata, Eiji Kambe, et al.. (2010). Development of the prototype integral field unit for prompt follow-up spectroscopy of gamma-ray bursts. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 7735. 773550–773550. 1 indexed citations
8.
Izumiura, Hideyuki, Kunio Noguchi, Wako Aoki, et al.. (2008). Evidence for a Companion to BM Gem, a Silicate Carbon Star. The Astrophysical Journal. 682(1). 499–508. 12 indexed citations
9.
Yanagisawa, K., Kiichi Okita, Masaaki Otsuka, et al.. (2008). ISLE: near-infrared imager/spectrograph for the 1.88m Telescope at Okayama Astrophysical Observatory. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 7014. 701437–701437. 4 indexed citations
10.
Akitaya, Hiroshi, Masanori Iye, Kiichi Okita, et al.. (2008). Application of zero-expansion pore-free ceramics to a mirror of an astronomical telescope. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 7018. 70183H–70183H. 7 indexed citations
11.
Saito, Yoshihiko, Youichi Ohyama, M. Yoshida, et al.. (2005). Subaru Imaging and Spectroscopy of Globular Cluster Candidates around M82. The Astrophysical Journal. 621(2). 750–756. 3 indexed citations
12.
Honda, Satoshi, Wako Aoki, Hiroyasu Ando, et al.. (2004). Spectroscopic Studies of Extremely Metal‐Poor Stars with the Subaru High Dispersion Spectrograph. I. Observational Data. The Astrophysical Journal Supplement Series. 152(1). 113–128. 41 indexed citations
13.
Kawakita, Hideyo, J. Watanabe, Tetsuharu Fuse, et al.. (2003). The spin temperature of NH 3 in Comet C/1999 S4 (LINEAR). 4. 29. 4 indexed citations
14.
Saito, Yoshihiko, Youichi Ohyama, Nobunari Kashikawa, et al.. (2003). Multi-object spectroscopy of FOCAS: software and its performance. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 4841. 1180–1180. 4 indexed citations
15.
Yanagisawa, K., Y. Nakada, Eiji Watanabe, et al.. (2002). Wide-field Monitoring of the Galactic Plane in the K- and the H-band. 83–84. 1 indexed citations
16.
Kashikawa, Nobunari, Kentaro Aoki, Ryo Asai, et al.. (2002). FOCAS: The Faint Object Camera and Spectrograph for the Subaru Telescope. Publications of the Astronomical Society of Japan. 54(6). 819–832. 173 indexed citations
17.
Noguchi, Takeshi, Tomio Kanzawa, Tomio Kurakami, et al.. (2000). <title>Coating and cleaning of the Subaru Telescope mirrors</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 4003. 391–395. 1 indexed citations
18.
Kashikawa, Nobunari, Motoko Inata, Masanori Iye, et al.. (2000). FOCAS: faint object camera and spectrograph for the Subaru Telescope. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 4008. 104–104. 16 indexed citations
19.
Tanaka, Wataru, Toshiyuki Sasaki, Takeshi Noguchi, et al.. (1998). <title>Control system for the Subaru Telescope</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 3351. 478–482. 2 indexed citations
20.
Hayashi, Saeko S., Yukiko Kamata, Tomio Kanzawa, et al.. (1998). <title>Status of the coating facility of the Subaru Telescope</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 3352. 454–462.

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

Breakdown of academic impact, for papers by Peter G. Friedman Breakdown of academic impact, for papers by Toshinori Maihara Breakdown of academic impact, for papers by O. L. Lupie Breakdown of academic impact, for papers by Keith Taylor Breakdown of academic impact, for papers by Jarron Leisenring Breakdown of academic impact, for papers by Ikuru Iwata Breakdown of academic impact, for papers by Yuji Ikeda Breakdown of academic impact, for papers by Fred Hearty Breakdown of academic impact, for papers by Hiroshi Karoji Breakdown of academic impact, for papers by Olivier Hernandez
Rankless by CCL
2026