I. Oiyama

1.5k total citations · 1 hit paper
26 papers, 1.1k citations indexed

About

I. Oiyama is a scholar working on Plant Science, Molecular Biology and Cell Biology. According to data from OpenAlex, I. Oiyama has authored 26 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Plant Science, 14 papers in Molecular Biology and 3 papers in Cell Biology. Recurrent topics in I. Oiyama's work include Plant tissue culture and regeneration (12 papers), Banana Cultivation and Research (10 papers) and Plant Physiology and Cultivation Studies (10 papers). I. Oiyama is often cited by papers focused on Plant tissue culture and regeneration (12 papers), Banana Cultivation and Research (10 papers) and Plant Physiology and Cultivation Studies (10 papers). I. Oiyama collaborates with scholars based in Japan and Cambodia. I. Oiyama's co-authors include Shozo Kobayashi, A. Sakai, T. Ohgawara, Shunsuke Ishii, Akira Sakai, Shigetaka Ishii, Masashi Yamamoto, Toshio Takahara, Yuzo Yamada and Hiroyuki Sawada and has published in prestigious journals such as Theoretical and Applied Genetics, Plant Science and Journal of Plant Physiology.

In The Last Decade

I. Oiyama

26 papers receiving 947 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.

Cryopreservation of nucellar cells of navel orange (Citrus sinensis Osb. var. brasiliensis Tanaka) by vitrification

1990 614 citations A. Sakai, Shozo Kobayashi et al. Plant Cell Reports profile →

Peers

I. Oiyama

PS

MB

EEBS

BIOTE

CB

Hugo Pacheco de Freitas Fraga Brazil

A. Wetten United Kingdom

S. Izhar Israel

Eliezer S. Louzada United States

Sandra Noir France

M. T. Martínez Spain

Estelle Jaligot France

Tomoko Igawa Japan

Jin‐Zhuo Dong Canada

S. M. Attree Canada

Hugo Pacheco de Freitas Fraga Brazil

I. Oiyama

547 ×0.6

PS

677 ×0.7

MB

183 ×1.3

EEBS

30 ×0.3

BIOTE

50 ×0.6

CB

Citations per year, relative to I. Oiyama I. Oiyama (= 1×) peers Hugo Pacheco de Freitas Fraga

Countries citing papers authored by I. Oiyama

Since Specialization

Citations

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

Fields of papers citing papers by I. Oiyama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of I. Oiyama

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

Yoshioka, T., Ryoji Matsumoto, Masashi Yamamoto, et al.. (2009). New citrus cultivar 'Reikou'.. 15–23. 2 indexed citations

2.

Matsumoto, Ryoji, Masashi Yamamoto, Yuzo Yamada, et al.. (1999). A new citrus cultivar 'Hareyaka'. 33. 47–56. 3 indexed citations

3.

Matsumoto, Ryoji, Masashi Yamamoto, Toshio Takahara, et al.. (1999). A new citrus cultivar 'Youkou'. 33. 67–76. 2 indexed citations

4.

Kobayashi, Shozo, et al.. (1991). Analysis of cytoplasmic genomes in somatic hybrids between navel orange (Citrus sinensis Osb.) and ‘Murcott’ tangor. Theoretical and Applied Genetics. 82(1). 6–10. 34 indexed citations

5.

Oiyama, I. & Shozo Kobayashi. (1991). Citrus Pentaploids from Small Seeds of Diploid × Diploid Crosses. HortScience. 26(3). 292–293. 7 indexed citations

6.

Ohgawara, T., et al.. (1991). Fertile fruit trees obtained by somatic hybridization: navel orange (Citrus sinensis) and Troyer citrange (C. sinensis x Poncirus trifoliata). Theoretical and Applied Genetics. 81(2). 141–143. 43 indexed citations

7.

Kobayashi, Shozo, et al.. (1991). Fertility in an Intergeneric Somatic Hybrid Plant of Rutaceae. HortScience. 26(2). 207–207. 15 indexed citations

8.

Sakai, A., Shozo Kobayashi, & I. Oiyama. (1991). Survival by Vitrification of Nucellar Cells of Navel Orange (Citrus sinensis var. brasiliensis Tanaka) Cooled to -196 °C. Journal of Plant Physiology. 137(4). 465–470. 103 indexed citations

9.

Oiyama, I., et al.. (1991). Use of Pollen from a Somatic Hybrid between Citrus and Poncirus in the Production of Triploids. HortScience. 26(8). 1082–1082. 25 indexed citations

10.

Matsumoto, Ryoji, et al.. (1991). New citrus [Citrus reticulata] cultivar "Nankou" [Japan]. 1 indexed citations

11.

Sakai, Akira, Shozo Kobayashi, & I. Oiyama. (1991). Cryopreservation of nucellar cells of navel orange (Citrus sinensis Osb.) by a simple freezing method. Plant Science. 74(2). 243–248. 55 indexed citations

12.

Oiyama, I. & Shozo Kobayashi. (1990). Polyembryony in Undeveloped Monoembryonic Diploid Seeds Crossed with a Citrus Tetraploid. HortScience. 25(10). 1276–1277. 14 indexed citations

13.

Kobayashi, Shozo, A. Sakai, & I. Oiyama. (1990). Cryopreservation in liquid nitrogen of cultured navel organe (Citrus sinensis Osb.) nucellar cells and subsequent plant regeneration. Plant Cell Tissue and Organ Culture (PCTOC). 23(1). 15–20. 16 indexed citations

14.

Sakai, A., Shozo Kobayashi, & I. Oiyama. (1990). Cryopreservation of nucellar cells of navel orange (Citrus sinensis Osb. var. brasiliensis Tanaka) by vitrification. Plant Cell Reports. 9(1). 30–3. 614 indexed citations breakdown →

15.

Kobayashi, S., et al.. (1990). Citrus pollen treated with organic solvents and its utilization for pollination of 'Nova' tangelo growing in a plastic greenhouse.. 35–44. 1 indexed citations

16.

Ohgawara, T., et al.. (1989). Somatic hybridization in Citrus: navel orange (C. sinensis Osb.) and grapefruit (C. paradisi Macf.). Theoretical and Applied Genetics. 78(5). 609–612. 40 indexed citations

17.

Oiyama, I., et al.. (1988). Tetraploids from diploid * tetraploid crosses of Citrus using sweet oranges as seed parents.. Ikushugaku zasshi. 38(2). 133–140. 1 indexed citations

18.

Kobayashi, Shozo, et al.. (1988). A somatic hybrid plant obtained by protoplast fusion between navel orange (Citrus sinensis) and satsuma mandarin (C. unshiu). Plant Cell Tissue and Organ Culture (PCTOC). 14(2). 63–69. 41 indexed citations

19.

Oiyama, I., et al.. (1986). Production of colchicine-induced autotetraploid plants through micrografting in monoembryonic citrus cultivars.. Ikushugaku zasshi. 36(4). 371–376. 11 indexed citations

20.

Takahara, Toshio, et al.. (1980). Studies on the promotion of flowering and fruiting of juvenile citrus seedlings. II. Effect of grafting.. 15–28. 6 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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