K. Okochi

4.1k total citations · 1 hit paper
60 papers, 3.1k citations indexed

About

K. Okochi is a scholar working on Immunology, Ecology, Evolution, Behavior and Systematics and Agronomy and Crop Science. According to data from OpenAlex, K. Okochi has authored 60 papers receiving a total of 3.1k indexed citations (citations by other indexed papers that have themselves been cited), including 32 papers in Immunology, 20 papers in Ecology, Evolution, Behavior and Systematics and 18 papers in Agronomy and Crop Science. Recurrent topics in K. Okochi's work include T-cell and Retrovirus Studies (25 papers), Vector-Borne Animal Diseases (20 papers) and Animal Disease Management and Epidemiology (18 papers). K. Okochi is often cited by papers focused on T-cell and Retrovirus Studies (25 papers), Vector-Borne Animal Diseases (20 papers) and Animal Disease Management and Epidemiology (18 papers). K. Okochi collaborates with scholars based in Japan, Denmark and Singapore. K. Okochi's co-authors include Hiroyuki Sato, Yorio Hinuma, Shuko Murakami, Yoshiaki Maeda, Hideyuki Ikematsu, Wataru Kajiyama, Hideyuki Nomura, Akira Ohbayashi, M Mayumi and Makoto Mayumi and has published in prestigious journals such as Journal of Biological Chemistry, The Journal of Immunology and Gastroenterology.

In The Last Decade

K. Okochi

59 papers receiving 2.9k 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.

A Retrospective Study on Transmission of Adult T Cell Leukemia Virus by Blood Transfusion: Seroconversion in Recipients

1984 499 citations K. Okochi, Hiroyuki Sato et al. Vox Sanguinis profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
K. Okochi Japan	29	2.0k	1.3k	1.1k	732	471	60	3.1k
V. S. Kalyanaraman United States	21	2.4k 1.2×	1.6k 1.3×	1.4k 1.3×	395 0.5×	546 1.2×	37	3.2k
B Hanchard Jamaica	31	2.6k 1.3×	1.9k 1.5×	1.8k 1.6×	271 0.4×	95 0.2×	126	3.3k
M Popovic United States	29	2.0k 1.0×	1.2k 0.9×	994 0.9×	416 0.6×	668 1.4×	51	3.1k
RC Gallo United States	19	1.2k 0.6×	427 0.3×	350 0.3×	336 0.5×	332 0.7×	36	2.2k
Akihiko Okayama Japan	26	1.8k 0.9×	1.4k 1.1×	1.3k 1.2×	198 0.3×	211 0.4×	130	2.6k
Michael D. Robek United States	29	1.5k 0.7×	398 0.3×	347 0.3×	1.4k 1.9×	463 1.0×	55	2.8k
M. F. McLane United States	17	1.2k 0.6×	476 0.4×	287 0.3×	684 0.9×	880 1.9×	25	2.6k
Anna Barbara F. Carneiro‐Proietti Brazil	20	1.5k 0.8×	1.1k 0.8×	905 0.8×	261 0.4×	175 0.4×	53	2.1k
Rosalyn E. Stahl United States	11	647 0.3×	196 0.2×	138 0.1×	398 0.5×	416 0.9×	17	1.5k
P D Markham United States	24	944 0.5×	170 0.1×	97 0.1×	1.1k 1.5×	1.0k 2.2×	35	3.0k

Countries citing papers authored by K. Okochi

Since Specialization

Citations

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

Fields of papers citing papers by K. Okochi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of K. Okochi

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

Tsujimura, Mitsushi, Takashi Miyazaki, Eijiro Kojima, et al.. (2002). Serum concentration of Hakata antigen, a member of the ficolins, is linked with inhibition of Aerococcus viridans growth. Clinica Chimica Acta. 325(1-2). 139–146. 42 indexed citations

Fukada, Kenji, et al.. (2000). Four putative subtypes of human parvovirus B19 based on amino acid polymorphism in the C-terminal region of non-structural protein. Journal of Medical Virology. 62(1). 60–69. 6 indexed citations

Kojima, Eijiro, et al.. (1999). Screening of Blood Donors for Human Parvovirus B19 and Characterization of the Results. Vox Sanguinis. 76(1). 14–21. 39 indexed citations

Inaba, Shinji, K. Okochi, Hiroyuki Sato, et al.. (1999). Efficacy of donor screening for HTLV‐I and the natural history of transfusion‐transmitted infection. Transfusion. 39(10). 1104–1110. 32 indexed citations

Miyagawa, Eiji, et al.. (1999). Infection of the erythroid cell line, KU812Ep6 with human parvovirus B19 and its application to titration of B19 infectivity. Journal of Virological Methods. 83(1-2). 45–54. 62 indexed citations

Sugimoto, Rie, Yoshiaki Yae, Mina Akaiwa, et al.. (1998). Cloning and Characterization of the Hakata Antigen, a Member of the Ficolin/Opsonin p35 Lectin Family. Journal of Biological Chemistry. 273(33). 20721–20727. 186 indexed citations

Tsujimura, Mitsushi, et al.. (1995). Human Parvovirus B19 Infection in Blood Donors. Vox Sanguinis. 69(3). 206–212. 48 indexed citations

Matsumura, Masayuki, Tetsuya Suga, Kazuhiko Uchida, et al.. (1993). Quantitation of HTLV‐I provirus among seropositive blood donors: Relation with antibody profile using synthetic peptides. International Journal of Cancer. 55(2). 220–222. 10 indexed citations

Okochi, K. & Shin Murakami. (1993). Observations on Australia Antigen in Japanese. Vox Sanguinis. 65(1). 75–75. 8 indexed citations

10.

Fujii, Hidehiko, Kousuke Moriyama, Toshifumi Kondo, et al.. (1992). Gly145 to Arg substitution in HBs antigen of immune escape mutant of hepatitis B virus. Biochemical and Biophysical Research Communications. 184(3). 1152–1157. 97 indexed citations

11.

Yae, Yoshiaki, Shoichi Inaba, Hiroyuki Sato, et al.. (1991). Isolation and characterization of a thermolabile β-2 macroglycoprotein (‘thermolabile substance’ or ‘Hakata antigen’) detected by precipitating (auto) antibody in sera of patients with systemic lupus erythematosus. Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology. 1078(3). 369–376. 60 indexed citations

12.

Inaba, Shinji, Hiroyuki Sato, K. Okochi, et al.. (1989). Prevention of transmission of human T‐lymphotropic virus type 1 (HTLV‐1) through transfusion, by donor screening with antibody to the virus One‐year experience. Transfusion. 29(1). 7–11. 65 indexed citations

13.

Itoyama, Yasuto, Seiichiro Minato, Jun‐ichi Kira, et al.. (1988). Spontaneous proliferation of peripheral blood lymphocytes increased in patients with HTLV‐I‐associated myelopathy. Neurology. 38(8). 1302–1302. 177 indexed citations

14.

Inaba, Shinji, et al.. (1987). The occurrence of precipitating antibodies in transfused Japanese patients with hereditary ninth component of complement deficiency and frequency of C9 deficiency. Transfusion. 27(6). 475–477. 18 indexed citations

15.

Okochi, K., et al.. (1987). Absence of HTLV I from New Zealand. Journal of Medical Virology. 22(4). 375–378. 1 indexed citations

16.

Okochi, K., et al.. (1986). Transmission of adult T-cell leukemia virus (HTLV-I) through blood transfusion and its prevention.. PubMed. 2 Suppl 1. S157–61. 39 indexed citations

17.

Okochi, K. & Hiroki Sato. (1985). Adult T-cell leukemia virus, blood donors and transfusion: experience in Japan.. PubMed. 182. 245–56. 18 indexed citations

18.

Okochi, K., et al.. (1985). Human parvovirus (B19) and erythema infectiosum. The Journal of Pediatrics. 107(1). 38–40. 74 indexed citations

19.

Nakamura, Masanori, et al.. (1977). Significance of e antigen and e antibody in liver diseases.. Kanzo. 18(8). 540–547. 1 indexed citations

20.

Misawa, S., et al.. (1971). Distribution of Ag(x) and Ag(y) antigens in the Ainu.. PubMed. 16(1). 30–4. 1 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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