Tsuyoshi Ishinazaka

489 total citations
28 papers, 290 citations indexed

About

Tsuyoshi Ishinazaka is a scholar working on Ecology, Genetics and Small Animals. According to data from OpenAlex, Tsuyoshi Ishinazaka has authored 28 papers receiving a total of 290 indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Ecology, 6 papers in Genetics and 5 papers in Small Animals. Recurrent topics in Tsuyoshi Ishinazaka's work include Wildlife Ecology and Conservation (12 papers), Marine animal studies overview (9 papers) and Genetic and phenotypic traits in livestock (4 papers). Tsuyoshi Ishinazaka is often cited by papers focused on Wildlife Ecology and Conservation (12 papers), Marine animal studies overview (9 papers) and Genetic and phenotypic traits in livestock (4 papers). Tsuyoshi Ishinazaka collaborates with scholars based in Japan, United Kingdom and Thailand. Tsuyoshi Ishinazaka's co-authors include Michito Shimozuru, Toshio Tsubota, Masami Yamanaka, Mariko Sashika, Shigehisa Tsumagari, Tsutomu Mano, Shinsuke Kasai, Shigeo Tanaka, M. A. Memon and Masatsugu Suzuki and has published in prestigious journals such as PLoS ONE, Scientific Reports and Marine Pollution Bulletin.

In The Last Decade

Tsuyoshi Ishinazaka

28 papers receiving 279 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Tsuyoshi Ishinazaka Japan 11 188 58 37 37 34 28 290
James McBain United States 11 235 1.3× 42 0.7× 20 0.5× 45 1.2× 12 0.4× 25 357
Marilyn Mazzoil United States 12 423 2.3× 53 0.9× 22 0.6× 27 0.7× 22 0.6× 21 508
Hongjun Chu China 12 171 0.9× 35 0.6× 56 1.5× 48 1.3× 16 0.5× 45 374
Sam Thalmann Australia 9 228 1.2× 21 0.4× 27 0.7× 59 1.6× 21 0.6× 15 316
Fiona Hume Australia 7 223 1.2× 22 0.4× 31 0.8× 43 1.2× 14 0.4× 7 315
Leigh A. Clayton United States 12 140 0.7× 60 1.0× 18 0.5× 25 0.7× 28 0.8× 40 356
Lanny H. Cornell United States 12 274 1.5× 18 0.3× 43 1.2× 31 0.8× 15 0.4× 17 333
K Colegrove United States 9 88 0.5× 21 0.4× 9 0.2× 22 0.6× 38 1.1× 11 328
Thomas V. Dailey United States 11 431 2.3× 34 0.6× 57 1.5× 47 1.3× 49 1.4× 27 509
R. E. Bailey Canada 12 206 1.1× 24 0.4× 25 0.7× 24 0.6× 33 1.0× 19 383

Countries citing papers authored by Tsuyoshi Ishinazaka

Since Specialization
Citations

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

Fields of papers citing papers by Tsuyoshi Ishinazaka

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Tsuyoshi Ishinazaka

This figure shows the co-authorship network connecting the top 25 collaborators of Tsuyoshi Ishinazaka. A scholar is included among the top collaborators of Tsuyoshi Ishinazaka 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 Tsuyoshi Ishinazaka. Tsuyoshi Ishinazaka 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.
Ishinazaka, Tsuyoshi, Masami Yamanaka, Hiroyuki Uno, et al.. (2022). Diet selection and asocial learning: Natal habitat influence on lifelong foraging strategies in solitary large mammals. Ecosphere. 13(7). 7 indexed citations
2.
Yamanaka, Masami, Tsuyoshi Ishinazaka, Tsutomu Mano, et al.. (2020). Development of a noninvasive photograph-based method for the evaluation of body condition in free-ranging brown bears. PeerJ. 8. e9982–e9982. 15 indexed citations
3.
Shimozuru, Michito, Masami Yamanaka, Tsuyoshi Ishinazaka, et al.. (2020). Maternal human habituation enhances sons’ risk of human-caused mortality in a large carnivore, brown bears. Scientific Reports. 10(1). 16498–16498. 14 indexed citations
4.
Moustafa, Mohamed Abdallah Mohamed, Michito Shimozuru, Ryo Nakao, et al.. (2020). Molecular detection of apicomplexan protozoa in Hokkaido brown bears (Ursus arctos yesoensis) and Japanese black bears (Ursus thibetanus japonicus). Parasitology Research. 119(11). 3739–3753. 9 indexed citations
5.
Matsumoto, Naoya, Yojiro Yanagawa, Masami Yamanaka, et al.. (2020). Hair Growth in Brown Bears and Its Application to Ecological Studies on Wild Bears. Mammal Study. 45(4). 13 indexed citations
6.
Takei, Junko, Shinji Yamada, Satoru Konnai, et al.. (2019). PMab-241 Specifically Detects Bear Podoplanin of Lymphatic Endothelial Cells in the Lung of Brown Bear. Monoclonal Antibodies in Immunodiagnosis and Immunotherapy. 38(6). 282–284. 8 indexed citations
7.
Shimozuru, Michito, Masami Yamanaka, Hifumi Tsuruga, et al.. (2019). Sex-biased dispersal and inbreeding avoidance in Hokkaido brown bears. Journal of Mammalogy. 100(4). 1317–1326. 8 indexed citations
8.
Sasaki, Mizuki, et al.. (2019). <i>Dibothriocephalus nihonkaiensis</i> infection with <i>Ursus arctos</i> in Shari, Hokkaido, Japan. Japanese Journal of Zoo and Wildlife Medicine. 24(3). 123–126. 3 indexed citations
9.
Shimozuru, Michito, Masami Yamanaka, Tsuyoshi Ishinazaka, et al.. (2017). Reproductive parameters and cub survival of brown bears in the Rusha area of the Shiretoko Peninsula, Hokkaido, Japan. PLoS ONE. 12(4). e0176251–e0176251. 23 indexed citations
10.
Ohishi, Kazue, et al.. (2017). Serologic evidence of Brucella infection in pinnipeds along the coast of Hokkaido, the northernmost main island of Japan. Microbiology and Immunology. 61(3-4). 114–122. 9 indexed citations
11.
Kubo, Keiko, et al.. (2013). Maternal-to-fetal transfer and concentration profiles of PCB congeners for Steller sea lions (Eumetopias jubatus) from Hokkaido, Japan. Marine Pollution Bulletin. 78(1-2). 165–172. 5 indexed citations
12.
Nagai, Kazuya, et al.. (2011). Sex Determination of Sika Deer (Cervus nippon yesoensis) Using Nested PCR from Feces Collected in the Field. Journal of Veterinary Medical Science. 73(12). 1611–1616. 6 indexed citations
13.
Ohta, Kohei, Akira Ishikawa, Takeki Yamada, et al.. (2008). Flow Cytometric Analysis of Canine Umbilical Cord Blood Lymphocytes. Journal of Veterinary Medical Science. 70(3). 285–287. 7 indexed citations
14.
Hoshino, H., et al.. (2006). Organochlorines in steller sea lions (Eumetopias jubatus) from the western north Pacific. 1–11. 5 indexed citations
15.
16.
Kimura, Junko, Satoko Takemoto, Yasuo NAMBO, et al.. (2005). Three‐dimensional Reconstruction of the Equine Ovary. Anatomia Histologia Embryologia. 34(1). 48–51. 15 indexed citations
17.
Tsumagari, Shigehisa, Tsuyoshi Ishinazaka, Hiroshi Kamata, et al.. (2004). Induction of canine pyometra by inoculation of Escherichia coli into the uterus and its relationship to reproductive features. Animal Reproduction Science. 87(3-4). 301–308. 25 indexed citations
18.
Ishinazaka, Tsuyoshi. (2002). The physiology and life-history parameters of reproduction in Steller sea lions, spotted seals and ribbon seals from the coastal waters of Hokkaido. Jūigaku kenkyū/Japanese journal of veterinary research. 50(1). 50–51. 1 indexed citations
19.
Ishinazaka, Tsuyoshi, et al.. (2002). Distribution and abundance of spotted seals Phoca largha and ribbon seals Phoca fasciata in the southern Sea of Okhotsk. Ecological Research. 17(1). 79–96. 24 indexed citations
20.
Ishinazaka, Tsuyoshi & Tsuyoshi Endo. (1999). The reproductive status of Steller sea lions in the Nemuro Strait, Hokkaido, Japan. Medical Entomology and Zoology. 2(1). 11–19. 3 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

Breakdown of academic impact, for papers by James McBain Breakdown of academic impact, for papers by Marilyn Mazzoil Breakdown of academic impact, for papers by Hongjun Chu Breakdown of academic impact, for papers by Sam Thalmann Breakdown of academic impact, for papers by Fiona Hume Breakdown of academic impact, for papers by Leigh A. Clayton Breakdown of academic impact, for papers by Lanny H. Cornell Breakdown of academic impact, for papers by K Colegrove Breakdown of academic impact, for papers by Thomas V. Dailey Breakdown of academic impact, for papers by R. E. Bailey
Rankless by CCL
2026