Koji Kamiya

1.8k total citations · 2 hit papers
50 papers, 1.0k citations indexed

About

Koji Kamiya is a scholar working on Immunology, Pathology and Forensic Medicine and Dermatology. According to data from OpenAlex, Koji Kamiya has authored 50 papers receiving a total of 1.0k indexed citations (citations by other indexed papers that have themselves been cited), including 19 papers in Immunology, 18 papers in Pathology and Forensic Medicine and 18 papers in Dermatology. Recurrent topics in Koji Kamiya's work include Autoimmune Bullous Skin Diseases (17 papers), Psoriasis: Treatment and Pathogenesis (16 papers) and Dermatology and Skin Diseases (10 papers). Koji Kamiya is often cited by papers focused on Autoimmune Bullous Skin Diseases (17 papers), Psoriasis: Treatment and Pathogenesis (16 papers) and Dermatology and Skin Diseases (10 papers). Koji Kamiya collaborates with scholars based in Japan. Koji Kamiya's co-authors include Mamitaro Ohtsuki, Mayumi Komine, Junichi Sugai, Megumi Kishimoto, Tuba M. Ansary, Md Razib Hossain, Yumi Aoyama, Keiji Iwatsuki, Yoshinori Shirafuji and Shin Morizane and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and International Journal of Molecular Sciences.

In The Last Decade

Koji Kamiya

45 papers receiving 990 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.

Risk Factors for the Development of Psoriasis

2019 396 citations Koji Kamiya, Megumi Kishimoto et al. profile →
Inflammatory Molecules Associated with Ultraviolet Radiation-Mediated Skin Aging

2021 232 citations Koji Kamiya, Mayumi Komine et al. profile →

Peers

Koji Kamiya

IMMUN

DERMA

PFM

RHEUM

MB

M. Grundmann-Kollmann Germany

Richard Parslew United Kingdom

Adriana Rendón Germany

Bo Ri Kim South Korea

Jin Kyeong Choi South Korea

Ari M. Goldminz United States

Henrique D. Teixeira United States

Yo Kawakubo Japan

Delong Jiao China

Anna M. Tallman United States

M. Grundmann-Kollmann Germany

Koji Kamiya

290 ×0.6

IMMUN

534 ×1.2

DERMA

175 ×1.0

PFM

96 ×0.6

RHEUM

134 ×1.0

MB

Citations per year, relative to Koji Kamiya Koji Kamiya (= 1×) peers M. Grundmann-Kollmann

Countries citing papers authored by Koji Kamiya

Since Specialization

Citations

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

Fields of papers citing papers by Koji Kamiya

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Koji Kamiya

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

1.

Kamiya, Koji, Yukie Yamaguchi, Hidehisa Saeki, et al.. (2025). Prospective, Open‐Label, Multicenter Study of Apremilast as Maintenance Therapy for Psoriasis Patients in Remission With Biologics. The Journal of Dermatology. 53(1). 71–85.

2.

Kishimoto, Megumi, Mayumi Komine, Koji Kamiya, et al.. (2023). Four‐year drug survival of apremilast in patients with psoriasis. The Journal of Dermatology. 50(7). 960–963. 3 indexed citations

3.

Kamiya, Koji, et al.. (2023). A case of Kyrle's disease successfully treated with topical benzoyl peroxide. SHILAP Revista de lepidopterología. 6(5). 192–193. 1 indexed citations

4.

Kamiya, Koji, Megumi Kishimoto, Takeo Maekawa, et al.. (2021). Single‐center survey of biologic use for inflammatory skin diseases during the coronavirus disease 2019 pandemic. The Journal of Dermatology. 48(12). 1907–1912. 3 indexed citations

5.

Kamiya, Koji, et al.. (2020). Diagnostic clues for pagetoid Bowen's disease. Indian Journal of Dermatology. 65(2). 167–167. 6 indexed citations

6.

Maekawa, Takeo, et al.. (2020). Case of primary anorectal malignant melanoma treated with adjuvant immunotherapy. The Journal of Dermatology. 47(12). e435–e436. 1 indexed citations

7.

Kamiya, Koji, Satoru Murata, Toru Sugihara, et al.. (2020). Case of lichen planus pemphigoides after pembrolizumab therapy for advanced urothelial carcinoma. The Journal of Dermatology. 47(9). e321–e322. 10 indexed citations

8.

Kishimoto, Megumi, Mayumi Komine, Koji Kamiya, Junichi Sugai, & Mamitaro Ohtsuki. (2019). Drug survival of apremilast in a real‐world setting. The Journal of Dermatology. 46(7). 615–617. 20 indexed citations

9.

Kishimoto, Megumi, Mayumi Komine, Koji Kamiya, et al.. (2019). Drug survival of biologic agents for psoriatic patients in a real‐world setting in Japan. The Journal of Dermatology. 47(1). 33–40. 44 indexed citations

10.

Sakabe, Jun‐ichi, et al.. (2018). The Vitamin D3 analogue calcipotriol suppresses CpG-activated TLR9-MyD88 signalling in murine plasmacytoid dendritic cells. Clinical and Experimental Dermatology. 43(4). 445–448. 9 indexed citations

11.

Kishimoto, Megumi, et al.. (2018). Real‐world use of apremilast for patients with psoriasis in Japan. The Journal of Dermatology. 45(11). 1345–1348. 25 indexed citations

12.

Ueda, Yoshitaka, Koji Kamiya, & Mamitaro Ohtsuki. (2017). Reactive nonsexually related acute genital ulcers. Journal of General and Family Medicine. 19(1). 30–31. 2 indexed citations

13.

Kamiya, Koji, et al.. (2015). Treatment of a patient with neutrophilic dermatoses with granulocyte and monocyte adsorption apheresis: effects on serum cytokine levels. European Journal of Dermatology. 25(2). 189–190. 1 indexed citations

14.

Kamiya, Koji, et al.. (2015). Possible enhancement of BP180 autoantibody production by herpes zoster. The Journal of Dermatology. 43(2). 197–199. 5 indexed citations

15.

Kamiya, Koji, Yumi Aoyama, Yoshinori Shirafuji, et al.. (2013). A higher correlation of the antibody activities against the calcium-dependent epitopes of desmoglein 3 quantified by ethylenediaminetetraacetic acid-treated enzyme-linked immunosorbent assay with clinical disease activities of pemphigus vulgaris. Journal of Dermatological Science. 70(3). 190–195. 38 indexed citations

16.

Kamiya, Koji, et al.. (2012). A Case of Appendicular Schwannoma with Acute Appendicitis. Nihon Gekakei Rengo Gakkaishi (Journal of Japanese College of Surgeons). 37(2). 292–297.

17.

Kamiya, Koji, et al.. (2012). A Case of Primary Omental Abscess. Nihon Gekakei Rengo Gakkaishi (Journal of Japanese College of Surgeons). 37(1). 130–134.

18.

Kamiya, Koji, Yumi Aoyama, Yoshinori Shirafuji, et al.. (2012). Detection of antibodies against the non-calcium-dependent epitopes of desmoglein 3 in pemphigus vulgaris and their pathogenic significance. British Journal of Dermatology. 167(2). 252–261. 35 indexed citations

19.

Aoyama, Yumi, Koji Kamiya, Miki Nagai, et al.. (2011). Catabolism of pemphigus foliaceus autoantibodies by high-dose IVIg therapy. European Journal of Dermatology. 21(1). 58–61. 6 indexed citations

20.

Inagawa, Tetsuji, et al.. (1989). Jugular foramen meningioma. Surgical Neurology. 31(4). 295–299. 16 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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