Hiroshi Koga

11.8k total citations · 4 hit papers
157 papers, 6.8k citations indexed

About

Hiroshi Koga is a scholar working on Epidemiology, Oncology and Dermatology. According to data from OpenAlex, Hiroshi Koga has authored 157 papers receiving a total of 6.8k indexed citations (citations by other indexed papers that have themselves been cited), including 45 papers in Epidemiology, 42 papers in Oncology and 33 papers in Dermatology. Recurrent topics in Hiroshi Koga's work include Cutaneous Melanoma Detection and Management (34 papers), Nonmelanoma Skin Cancer Studies (19 papers) and Autophagy in Disease and Therapy (17 papers). Hiroshi Koga is often cited by papers focused on Cutaneous Melanoma Detection and Management (34 papers), Nonmelanoma Skin Cancer Studies (19 papers) and Autophagy in Disease and Therapy (17 papers). Hiroshi Koga collaborates with scholars based in Japan, United States and France. Hiroshi Koga's co-authors include Ana María Cuervo, Susmita Kaushik, Toshiaki Saida, Esperanza Arias, David Sulzer, Marta Martínez‐Vicente, Esther Wong, Seigo Suzue, Tsutomu Irikura and Hisashi Uhara and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Biological Chemistry and Nature Communications.

In The Last Decade

Hiroshi Koga

145 papers receiving 6.6k 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.

Cargo recognition failure is responsible for inefficient autophagy in Huntington's disease

2010 681 citations Guomei Tang, Hiroshi Koga et al. profile →
HDAC6 controls autophagosome maturation essential for ubiquitin‐selective quality‐control autophagy

2010 612 citations Hiroshi Koga, Ana María Cuervo et al. profile →
Interplay of LRRK2 with chaperone-mediated autophagy

2013 484 citations Samantha J. Orenstein, Sheng‐Han Kuo et al. profile →
Structure-activity relationships of antibacterial 6,7- and 7,8-disubstituted 1-alkyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acids

1980 410 citations Hiroshi Koga et al. profile →

Peers

Countries citing papers authored by Hiroshi Koga

Since Specialization

Citations

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

Fields of papers citing papers by Hiroshi Koga

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hiroshi Koga

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

#	Work	Indexed citations
1	Secondary Publication of Japanese Dermatological Association Guidelines: Clinical Questions of Guidelines for Cutaneous Angiosarcoma 2025 2025 ·The Journal of Dermatology ·Yasuhiro Fujisawa, Yasuo Yoshioka, Koji Yoshino, Taku Fujimura, Yoichi Naito, (unknown), (unknown), Eiji Nakano, Hiroshi Kato, Yusuke Muto, Hiroshi Koga, Tomomitsu Miyagaki, Hiroshi Uchi, Yasuhiro Nakamura, Kenji Asagoe	1
2	Case report: Diagnostic clues for anti-3-hydroxy-3-methylglutaryl-coenzyme A reductase myopathy in pediatric patients 2023 ·Frontiers in Pediatrics ·(unknown), Hiroshi Koga	1
3	Efficacy of Nivolumab and Ipilimumab Combined Therapy as a First-Line Therapy for Patients with Advanced Melanoma and the Urgent Need for an Effective Second-Line Therapy for Patients with Wild-Type BRAF in Japan: A Single Center Retrospective Study 2022 ·The Kurume Medical Journal ·(unknown), Hiroshi Koga, (unknown), (unknown), Kenta Nakama, Takekuni Nakama	0
4	Outlines of the Japanese guidelines for the management of primary cutaneous lymphomas 2020 2020 ·The Journal of Dermatology ·Mikio Ohtsuka, Toshihisa Hamada, Tomomitsu Miyagaki, Takatoshi Shimauchi, Kentaro Yonekura, Eiji Kiyohara, Hideki Fujita, Koji Izutsu, Kae Okuma, Kazuhiro Kawai, Hiroshi Koga, Makoto Sugaya	12
5	Japanese real‐world study of sequential nivolumab and ipilimumab treament in melanoma 2019 ·The Journal of Dermatology ·Arata Tsutsumida, Satoshi Fukushima, Kenji Yokota, Shusuke Yoshikawa, Osamu Yamasaki, Atsushi Tanemura, Ryuhei Okuyama, Hisashi Uhara, Yusuke Muto, Azusa Miyashita, Masashi Akiyama, (unknown), Hiroshi Koga, Junji Kato, Teruaki Katayama, Eijun Itakura, Naoya Yamazaki, Yoshio Kiyohara	13
6	Japanese Dermatological Association Guidelines: Outlines of guidelines for cutaneous melanoma 2019 2019 ·The Journal of Dermatology ·Yasuhiro Nakamura, Jun Asai, Hiroshi Igaki, Takashi Inozume, Kenjiro Namikawa, Ayato Hayashi, Satoshi Fukushima, Taku Fujimura, Takamichi Ito, Keisuke Imafuku, Ryota Tanaka, Yukiko Teramoto, Akane Minagawa, Takuya Miyagawa, Azusa Miyashita, Makoto Wada, Hiroshi Koga, Makoto Sugaya	33
7	Efficacy and safety of nivolumab in combination with ipilimumab in Japanese patients with advanced melanoma: An open-label, single-arm, multicentre phase II study 2018 ·European Journal of Cancer ·Kenjiro Namikawa, Yoshio Kiyohara, Tatsuya Takenouchi, Hisashi Uhara, Hiroshi Uchi, Shusuke Yoshikawa, (unknown), Hiroshi Koga, Naoko Wada, Hironobu Minami, (unknown), (unknown), Yoshinobu Namba, Naoya Yamazaki	50
8	Melanoma with BRAF Mutation in Circulating Cell-free DNA despite no Mutation in the Primary Lesion: A Case Report 2015 ·Acta Dermato Venereologica ·Atsuko Ashida, Hisashi Uhara, (unknown), Kaori Sakaizawa, (unknown), Hiroshi Koga, Ryuhei Okuyama	6
9	Chaperone-mediated autophagy regulates T cell responses through targeted degradation of negative regulators of T cell activation 2014 ·Nature Immunology ·Rut Valdor, Enric Mocholí, Yaïr Botbol, Ignacio Guerrero‐Ros, Dinesh Chandra, Hiroshi Koga, Claudia Gravekamp, Ana María Cuervo, Fernando Macián	165
10	Balance between autophagic pathways preserves retinal homeostasis 2013 ·Aging Cell ·Natalia Rodríguez‐Muela, Hiroshi Koga, (unknown), Pedro de la Villa, Enrique J. de la Rosa, Ana María Cuervo, Patricia Boya	146
11	LRRK2 G2019S Impairs Chaperone-Mediated Autophagy in Neurons (IN2-1.001) 2013 ·Neurology ·Sheng‐Han Kuo, Samantha J. Orenstein, Hiroshi Koga, Guomei Tang, Ellen Kanter, Roy N. Alcalay, Ana María Cuervo, David Sulzer	2
12	NRAS mutations in primary and metastatic melanomas of Japanese patients 2013 ·International Journal of Clinical Oncology ·Hisashi Uhara, Atsuko Ashida, Hiroshi Koga, Eisaku Ogawa, Aya Uchiyama, (unknown), Kôichi Hayashi, Yukiko Kiniwa, Ryuhei Okuyama	26
13	Characteristic Distribution of Melanin Columns in the Cornified Layer of Acquired Acral Nevus: An Important Clue for Histopathologic Differentiation From Early Acral Melanoma 2011 ·American Journal of Dermatopathology ·Toshiaki Saida, Hiroshi Koga, Yasufumi Goto, Hisashi Uhara	21
14	Functional Cross-Talk between Rab14 and Rab4 through a Dual Effector, RUFY1/Rabip4 2010 ·Molecular Biology of the Cell ·(unknown), Hiroshi Koga, Yohei Katoh, Senye Takahashi, Kazuhisa Nakayama, Hye‐Won Shin	54
15	Computer-Based Classification of Dermoscopy Images of Melanocytic Lesions on Acral Volar Skin 2008 ·Journal of Investigative Dermatology ·Hitoshi Iyatomi, Hiroshi Oka, M. Emre Celebi, K. Ogawa, Giuseppe Argenziano, H. Peter Soyer, Hiroshi Koga, Toshiaki Saida, Kuniaki Ohara, Masaru Tanaka	60
16	Epidermoid cyst of the ureter: A case report 2007 ·International Journal of Urology ·Hironori Ishizaki, Shizuka Iida, Hiroshi Koga, Kazuhide Shimamatsu, Kei Matsuoka	6
17	Eccrine porocarcinoma: Clinical and pathological studies of 12 cases 2007 ·The Journal of Dermatology ·(unknown), Hiroshi Koga, Hisashi Uhara, Minoru Takata, Toshiaki Saida	61
18	Enhanced Activation of Tax-dependent Transcription of Human T-cell Leukemia Virus Type I (HTLV-I) Long Terminal Repeat by TORC3 2004 ·Journal of Biological Chemistry ·Hiroshi Koga, Takayuki Ohshima, Kunitada Shimotohno	31
19	Synthesis and vasorelaxant activity of 2-fluoromethylbenzopyran potassium channel openers 1998 ·Bioorganic & Medicinal Chemistry ·(unknown), Hiroshi Koga, Haruhiko Sato, (unknown), Naoki Taka, Jun‐ichi Imagawa	7
20	The Reaction of o-Aminobenzenesulfonamide with Phthalic Anhydride 1973 ·NIPPON KAGAKU KAISHI ·Yoshio Imai, Hiroshi Koga, (unknown)	0

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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