Yutaka Tokiwa

9.5k total citations · 1 hit paper
132 papers, 7.2k citations indexed

About

Yutaka Tokiwa is a scholar working on Biomaterials, Molecular Biology and Pollution. According to data from OpenAlex, Yutaka Tokiwa has authored 132 papers receiving a total of 7.2k indexed citations (citations by other indexed papers that have themselves been cited), including 92 papers in Biomaterials, 59 papers in Molecular Biology and 48 papers in Pollution. Recurrent topics in Yutaka Tokiwa's work include biodegradable polymer synthesis and properties (90 papers), Microplastics and Plastic Pollution (46 papers) and Enzyme Catalysis and Immobilization (30 papers). Yutaka Tokiwa is often cited by papers focused on biodegradable polymer synthesis and properties (90 papers), Microplastics and Plastic Pollution (46 papers) and Enzyme Catalysis and Immobilization (30 papers). Yutaka Tokiwa collaborates with scholars based in Japan, Thailand and South Korea. Yutaka Tokiwa's co-authors include Buenaventurada P. Calabia, Haruo Nishida, Charles U. Ugwu, Sei‐ichi Aiba, Tomoo Suzuki, Amnat Jarerat, Hardaning Pranamuda, Takeshi Endo, Akio Tsuchii and Tetsushi Suyama and has published in prestigious journals such as Nature, Applied and Environmental Microbiology and Macromolecules.

In The Last Decade

Yutaka Tokiwa

130 papers receiving 6.9k citations

Hit Papers

Biodegradability of Plastics 2009 2026 2014 2020 2009 400 800 1.2k
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.

  1. Biodegradability of Plastics
    2009 1.2k citations Yutaka Tokiwa, Buenaventurada P. Calabia et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Yutaka Tokiwa Japan 44 5.4k 3.3k 1.5k 1.3k 1.0k 132 7.2k
Masao Kunioka Japan 38 3.8k 0.7× 1.8k 0.6× 1.4k 0.9× 686 0.5× 1.1k 1.0× 94 4.9k
Kevin E. O’Connor Ireland 41 3.6k 0.7× 3.0k 0.9× 2.0k 1.3× 1.3k 1.0× 519 0.5× 123 6.8k
Marek Kowalczuk Poland 41 4.3k 0.8× 1.7k 0.5× 635 0.4× 1.1k 0.8× 992 1.0× 212 5.8k
Yoshihito Shirai Japan 53 2.5k 0.5× 1.3k 0.4× 1.7k 1.1× 3.3k 2.5× 652 0.6× 264 8.1k
Sei‐ichi Aiba Japan 33 3.4k 0.6× 980 0.3× 1.3k 0.9× 886 0.7× 726 0.7× 87 5.3k
Martin Koller Austria 51 5.2k 1.0× 3.0k 0.9× 2.0k 1.3× 1.8k 1.4× 204 0.2× 160 7.1k
Minna Hakkarainen Sweden 56 5.7k 1.1× 2.3k 0.7× 343 0.2× 2.9k 2.2× 2.8k 2.7× 266 10.1k
Éric Pollet France 44 4.9k 0.9× 1.2k 0.4× 517 0.3× 1.2k 0.9× 2.6k 2.5× 118 6.7k
Tatiana G. Volova Russia 39 3.2k 0.6× 1.5k 0.5× 672 0.4× 1.5k 1.1× 254 0.2× 207 4.7k
Ren Wei Germany 43 4.4k 0.8× 5.2k 1.6× 874 0.6× 1.3k 1.0× 367 0.4× 126 7.1k

Countries citing papers authored by Yutaka Tokiwa

Since Specialization
Citations

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

Fields of papers citing papers by Yutaka Tokiwa

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Yutaka Tokiwa

This figure shows the co-authorship network connecting the top 25 collaborators of Yutaka Tokiwa. A scholar is included among the top collaborators of Yutaka Tokiwa 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 Yutaka Tokiwa. Yutaka Tokiwa 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.
Calabia, Buenaventurada P., Yutaka Tokiwa, & Sei‐ichi Aiba. (2011). Fermentative production of l-(+)-lactic acid by an alkaliphilic marine microorganism. Biotechnology Letters. 33(7). 1429–1433. 33 indexed citations
2.
Pranamuda, Hardaning, et al.. (2010). Kerentanan Poliester Alifatik Terhadap Biodegradasi. Microbiology Indonesia. 5(2). 1 indexed citations
3.
Sriroth, Klanarong, et al.. (2008). Screening Lactic Acid Bacteria from Thai Agricultural Products and Wastes for Potential Application on Cassava Starch. Witthayasan Kasetsat Witthayasat. 42(2). 328–340. 1 indexed citations
4.
Jarerat, Amnat, Yutaka Tokiwa, & Hideo Tanaka. (2006). Production of poly(l-lactide)-degrading enzyme by Amycolatopsis orientalis for biological recycling of poly(l-lactide). Applied Microbiology and Biotechnology. 72(4). 726–731. 74 indexed citations
5.
Tokiwa, Yutaka & Buenaventurada P. Calabia. (2006). Biodegradability and biodegradation of poly(lactide). Applied Microbiology and Biotechnology. 72(2). 244–251. 490 indexed citations
6.
Calabia, Buenaventurada P. & Yutaka Tokiwa. (2003). Microbial degradation of poly(d-3-hydroxybutyrate) by a new thermophilic Streptomyces isolate. Biotechnology Letters. 26(1). 15–19. 55 indexed citations
7.
Raku, Takao & Yutaka Tokiwa. (2003). Chemoenzymatic Synthesis of Fucose‐ or Rhamnose‐Branched Polymer. Macromolecular Bioscience. 3(3-4). 151–156. 15 indexed citations
8.
Tokiwa, Yutaka, et al.. (2001). A modified method for isolating poly(vinyl alcohol)-degrading bacteria and study of their degradation patterns. Biotechnology Letters. 23(23). 1937–1941. 52 indexed citations
9.
Vaidya, Alankar A., Takao Raku, & Yutaka Tokiwa. (2001). Synthesis, characterization and evaluation of new polymers for thermo- precipitation of adenosine. Biotechnology Letters. 23(10). 805–809. 5 indexed citations
10.
Kitagawa, Masaru, et al.. (2001). Generation of Hydroxyl Radicals from Polymer Containing Reducing Sugar Branches in the Presence of Hydrogen Peroxide. Macromolecular Chemistry and Physics. 202(2). 231–235. 3 indexed citations
11.
Nakajima‐Kambe, Toshiaki, et al.. (2000). Properties of a bacterium which degrades solid poly(tetramethylene succinate)-co-adipate, a biodegradable plastic. FEMS Microbiology Letters. 189(1). 25–29. 78 indexed citations
12.
Kitagawa, Masaru & Yutaka Tokiwa. (2000). Enzymatic and Chemical Synthesis of Polymers Containing Sugar Ester Branches.. KOBUNSHI RONBUNSHU. 57(10). 629–636. 3 indexed citations
13.
Urakami, Teizi, et al.. (2000). Development of Biodegradable Plastic-Poly-.BETA.-hydroxybutyrate/polycaprolaetone Blend Polymer.. KOBUNSHI RONBUNSHU. 57(5). 263–270. 8 indexed citations
14.
Nishida, Haruo, Mitsuhiro Yamashita, Takeshi Endo, & Yutaka Tokiwa. (2000). Equilibrium Polymerization Behavior of 1,4-Dioxan-2-one in Bulk. Macromolecules. 33(19). 6982–6986. 103 indexed citations
15.
Tsuchii, Akio, Kiyoshi Takeda, & Yutaka Tokiwa. (1997). Degradation of the rubber in truck tires by a strain of Nocardia. Biodegradation. 7(5). 405–413. 43 indexed citations
16.
Mochizuki, Masatsugu, et al.. (1995). Hydrolysis of polycaprolactone fibers by lipase: Effects of draw ratio on enzymatic degradation. Journal of Applied Polymer Science. 55(2). 289–296. 134 indexed citations
17.
Nishida, Haruo & Yutaka Tokiwa. (1994). Confirmation of Anaerobic Poly(2-oxepanone) Degrading Microorganisms in Environments. Chemistry Letters. 23(7). 1293–1296. 15 indexed citations
18.
Nishida, Haruo & Yutaka Tokiwa. (1992). Effects of higher‐order structure of poly(3‐hydroxybutyrate) on its biodegradation. I. Effects of heat treatment on microbial degradation. Journal of Applied Polymer Science. 46(8). 1467–1476. 43 indexed citations
19.
Tokiwa, Yutaka, et al.. (1990). Development of biodegradable plastics containing polycaprolactone and/or starch. 63. 742–746. 6 indexed citations
20.
Tokiwa, Yutaka. (1984). . Kobunshi. 33(5). 378–381. 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.

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