Iwashiro Oki

1.3k total citations · 1 hit paper
21 papers, 934 citations indexed

About

Iwashiro Oki is a scholar working on Molecular Biology, Plant Science and Global and Planetary Change. According to data from OpenAlex, Iwashiro Oki has authored 21 papers receiving a total of 934 indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Molecular Biology, 7 papers in Plant Science and 5 papers in Global and Planetary Change. Recurrent topics in Iwashiro Oki's work include Planarian Biology and Electrostimulation (7 papers), Marine Ecology and Invasive Species (5 papers) and Radiation Effects and Dosimetry (4 papers). Iwashiro Oki is often cited by papers focused on Planarian Biology and Electrostimulation (7 papers), Marine Ecology and Invasive Species (5 papers) and Radiation Effects and Dosimetry (4 papers). Iwashiro Oki collaborates with scholars based in Japan, United States and United Kingdom. Iwashiro Oki's co-authors include Yoshimitsu Oda, Seiichi Nakamura, Hideo Shinagawa, Takesi Kato, Masaharu Kawakatsu, Kanji Sugimoto, Tsutomu Shimada, Satoru Tamura, Robert E. Ogren and Machiko Nishino and has published in prestigious journals such as Hydrobiologia, Journal of Radiation Research and Mutation Research/Environmental Mutagenesis and Related Subjects.

In The Last Decade

Iwashiro Oki

21 papers receiving 876 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.

Evaluation of the new system (umu-test) for the detection of environmental mutagens and carcinogens

1985 525 citations Yoshimitsu Oda, Seiichi Nakamura et al. Mutation Research/Environmental Mutagenesis and Related Subjects profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Iwashiro Oki Japan	12	478	352	222	189	147	21	934
Alan J. Katz United States	16	632 1.3×	464 1.3×	260 1.2×	380 2.0×	72 0.5×	30	1.5k
Naonori Matsusaka Japan	20	327 0.7×	474 1.3×	455 2.0×	226 1.2×	64 0.4×	87	1.2k
T.I. Matula Canada	16	263 0.6×	266 0.8×	218 1.0×	91 0.5×	62 0.4×	34	862
Archana Sharma India	19	581 1.2×	244 0.7×	123 0.6×	595 3.1×	40 0.3×	57	1.4k
Temenouga Nikolova Guecheva Brazil	18	356 0.7×	174 0.5×	181 0.8×	246 1.3×	49 0.3×	48	942
Nieves Abril Spain	23	604 1.3×	226 0.6×	455 2.0×	163 0.9×	190 1.3×	77	1.4k
J. Velemínský Czechia	22	697 1.5×	450 1.3×	103 0.5×	775 4.1×	111 0.8×	114	1.4k
Yasunobu Aoki Japan	21	482 1.0×	169 0.5×	617 2.8×	105 0.6×	198 1.3×	63	1.3k
Ingolf Schuphan Germany	22	680 1.4×	57 0.2×	325 1.5×	582 3.1×	497 3.4×	88	1.5k
Tolga Çavaş Türkiye	19	192 0.4×	543 1.5×	1.1k 5.0×	399 2.1×	455 3.1×	33	1.8k

Countries citing papers authored by Iwashiro Oki

Since Specialization

Citations

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

Fields of papers citing papers by Iwashiro Oki

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Iwashiro Oki

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

Oki, Iwashiro, et al.. (1998). Chromosomes of Phagocata kawakatsui and Bdellocephala annandalei from Lake Biwa-ko in Honshú, central Japan. Hydrobiologia. 383(1-3). 315–320. 8 indexed citations

Oki, Iwashiro, et al.. (1998). Karyology and biogeography of Dugesia japonica and Dugesia ryukyuensis in Kyûshû, southern Japan. Hydrobiologia. 383(1-3). 321–327. 10 indexed citations

Oki, Iwashiro, et al.. (1995). A review of chromosomal variation in Dugesia japonica and D. ryukyuensis in the Far East. Hydrobiologia. 305(1-3). 79–84. 15 indexed citations

Oki, Iwashiro, et al.. (1995). A review of chromosomal variation in Dugesia japonica and D. ryukyuensis in the Far East. 79–84. 15 indexed citations

Oki, Iwashiro, et al.. (1995). Chromosomes of Temnocephala minor, an ectosymbiotic turbellarian on Australian crayfish found in Kagoshima Prefecture, with karyological notes on exotic turbellarians found in Japan. Hydrobiologia. 305(1-3). 71–77. 14 indexed citations

Kawakatsu, Masaharu, et al.. (1995). Taxonomy and geographical distribution of Dugesia japonica and D. ryukyuensis in the Far East. Hydrobiologia. 305(1-3). 55–61. 27 indexed citations

Oki, Iwashiro, et al.. (1991). Karyological and taxonomic studies of Dugesia japonica from the Southwest Islands of Japan-II. Hydrobiologia. 227(1). 157–162. 12 indexed citations

Tamura, Satoru, et al.. (1989). KARYOLOGICAL AND TAXONOMIC STUDIES OF THE DUGESIA SPECIES IN SOUTHEAST ASIA : XV. CHROMOSOMES OF DUGESIA JAPONIOA FROM THE SOUTHWEST ISIANDS OF JAPAN : Taxonomy and Systematics : Abstracts of papers presented at the 60th Annual Meeting of the Zoological Society of Japan. ZOOLOGICAL SCIENCE. 6(6). 1221. 2 indexed citations

Oda, Yoshimitsu, Seiichi Nakamura, & Iwashiro Oki. (1988). Harman and norharman induce SOS responses and frameshift mutations in bacteria. Mutation Research Letters. 208(1). 39–44. 20 indexed citations

10.

Shimada, Tsutomu, et al.. (1987). SOS-inducing activity of chemical carcinogens and mutagens in Salmonella typhimurium TA1535/pSK1002: examination with 151 chemicals. Mutation Research Letters. 192(4). 239–246. 178 indexed citations

11.

Oda, Y., S Nakamura, & Iwashiro Oki. (1987). A simple test system (umu test) for the detection of environmental mutagens. VI. Induction of the SOS responses by norharman and harman. Mutation Research/Environmental Mutagenesis and Related Subjects. 182(6). 372–373. 1 indexed citations

12.

Takai, Masanaru, et al.. (1986). KARYOLOGICAL AND TAXONOMIC STUDIES OF THE DUGESIA SPECIES IN SOUTHEAST ASIA : X. DUGESIA AUSTROASIATICA FROM CULTURE PONDS OF TROPICAL FISHES IN SAGA CITY : Taxonomy and Systematics. ZOOLOGICAL SCIENCE. 3(6). 1108. 1 indexed citations

13.

Oda, Yoshimitsu, Seiichi Nakamura, Iwashiro Oki, Takesi Kato, & Hideo Shinagawa. (1985). Evaluation of the new system (umu-test) for the detection of environmental mutagens and carcinogens. Mutation Research/Environmental Mutagenesis and Related Subjects. 147(5). 219–229. 525 indexed citations breakdown →

14.

Oda, Y., Seiji Nakamura, Iwashiro Oki, et al.. (1984). A simple test system (umu test) for the detection of environmental mutagens. II. Improvement of sensitivity by employing Salmonella typhimurium TA1535 as a host strain. Mutation Research/Environmental Mutagenesis and Related Subjects. 130(5). 375–375. 1 indexed citations

15.

Oki, Iwashiro, et al.. (1983). Morphological, karyological and taxonomic studies of freshwater planarians from South Brazil. IV: Dugesia anderlani sp. nov. (Turbellaria, Tricladida, Paludicola), a new species from São Leopoldo in Estado de Rio Grande do Sul. 56(3). 196–208. 11 indexed citations

16.

Kawakatsu, Masaharu, et al.. (1983). A new freshwater planarian from West Bengal, India (Turbellaria; Tricladida; Paludicola). 38. 5 indexed citations

17.

Oki, Iwashiro, et al.. (1981). Karyological and taxonomic studies of Dugesia japonica Ichikawa et Kawakatsu in the Far East. Hydrobiologia. 84(1). 53–68. 25 indexed citations

18.

Kawakatsu, Masaharu, et al.. (1980). The Freshwater Planarians from Thailand and South India. Medical Entomology and Zoology. 53(4). 254–268. 14 indexed citations

19.

Kawakatsu, Masaharu, et al.. (1976). Studies on the morphology, karyology and taxonomy of the japanese freshwater planarian Dugesia japonica Ichikawa et Kawakatsu, with a description of a new subspecies Dugesia japonica ryukyuensis subspec. nov.. Publication Server of Goethe University Frankfurt am Main (Goethe University Frankfurt). 14. 81–126. 39 indexed citations

20.

Oki, Iwashiro, et al.. (1964). X-rays from Color Television Receivers. Journal of Radiation Research. 5(3-4). 147–158. 4 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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