Journal profile · Polymer Science
Nihon Reoroji Gakkaishi
ISSN 0387-1533 · eISSN 2186-4586 · Society of Rheology · JAPAN · Quarterly
Nihon Reoroji Gakkaishi: CAS Zone 4 · Engineering (2025 upgraded edition); impact factor 1.12; fully open access; no APC; review over 12 weeks (community reports); community-reported acceptance: easy; 30 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Nihon Reoroji Gakkaishi is published by Society of Rheology and is in Zone 4 of Engineering in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Rheology and Fluid Dynamics Studies, Polymer crystallization and properties and Polymer Nanocomposites and Properties, together about 49.6% of its articles. Its main subfields are Polymers and Plastics. (generated from OpenAlex topic counts and CAS ranking data)
For the communication among the members, the journal of the Society of Rheology Japan, NIHON REOROJI GAKKAISHI (5 issues per year), was established in 1973 and it is the oldest journal on rheology in Asia. The journal contains original and review articles on rheology and related topics, information for all SRJ events, and reports of domestic/overseas meetings. Articles in Japanese as well as in English are considered for publication, not only from the members but also from the researchers outside. Papers from new emerging areas of the field are particularly welcome. The electronic version of the articles is available via the internet with an open access policy.
From the journal's Aims & Scope
Research area (LetPub): Polymer Science
Editor-in-chief Osamu UrakawaPublisher website
Main research topics OpenAlex counts of recent articles; shares are approximate
- Rheology and Fluid Dynamics StudiesChemical Engineering26.1%
- Polymer crystallization and propertiesMaterials Science14.7%
- Polymer Nanocomposites and PropertiesMaterials Science8.9%
- Surfactants and Colloidal SystemsChemistry5.9%
- Material Dynamics and PropertiesMaterials Science5.2%
- Material Properties and ProcessingEngineering3.5%
- Polymer Foaming and CompositesMaterials Science2.8%
- Fluid Dynamics and Thin FilmsEngineering2.6%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Mechanics | Zone 4 |
| Minor | Polymer Science | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Mechanics | Zone 4 |
| Minor | Polymer Science | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Mechanics | Zone 4 |
| Minor | Polymer Science | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 1.12LetPub ·
- Impact factor (publisher) 2023
- 1.3Publisher website ·
- CiteScore 2026-06
- 2.8LetPub ·
- SJR 2026-06
- 0.36LetPub ·
- SNIP 2026-06
- 0.49LetPub ·
- h-index
- 15LetPub ·
- h-index
- 24OpenAlex ·
- i10-index
- 172OpenAlex ·
- 2-year mean citedness
- 0.92OpenAlex ·
- Self-citation rate
- 50%LetPub ·
- Share of gold OA articles
- 100%LetPub ·
Volume
- Articles per year
- 21LetPub ·
Articles by year OpenAlex count · 1,735 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 23 | 23 | 3 |
| 2025 | 30 | 30 | 17 |
| 2024 | 34 | 34 | 60 |
| 2023 | 35 | 35 | 108 |
| 2022 | 55 | 55 | 217 |
| 2021 | 45 | 45 | 169 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
Review time from article dates manuscript dates registered with PubMed · to
Too few articlesOnly 1 articles from the last 24 months carry both submission and acceptance dates, too few for a median
Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".
Other sources
- Average review time (community reports)
- over 12 weeksLetPub ·
- Average acceptance (community reports)
- EasyLetPub ·
- Peer review
- Single-anonymous peer reviewPublisher website · model-extracted
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Fully open accessOpenAlex
Every article is open access; authors usually pay an article processing charge (APC).
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| Publisher website | No APC | — | — |
Other charges and waivers (author guidelines)
- Other fees
- Charged; see the journal's website for the amount
- Page charges
- No page charges
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
What to prepare3 items from the author guidelines
- Abstract
- ≤ 200 words
- Keywords
- ≤ 5
- Templates
- LaTeX and Word
Article types accepted5
- feature articlesFeature Articles are publications summarizing a superior achievement by a research group related to rheology presented within eight printed pages, usually invit…Length not stated
- notesNotes are publications of original, unpublished results by shorter articles within two printed pages.Length not stated
- original articlesOriginal Articles are full-length to be considered as a complete publication of original, unpublished results within six printed pages.Length not stated
- rapid communicationsRapid Communications should be preliminary reports of unusual urgency, significance, and interest presented within two printed pages.Length not stated
- reviewsReview articles should be concise reports on the progress and the current situation for specific topics within 10 pages.Length not stated
Policy excerpts from the journal's websiteConflicts of interest, Publication ethics, License & copyright, Open access, Peer review, Plagiarism
- Conflicts of interest
Conflict of interest declaration Model summary
The authors must declare the conflict of interest in the text if any.
Source ↗Publisher website ·- Publication ethics
Author responsibility for originality of manuscript Model summary
The author (s) is responsible for ensuring that the submitted manuscript has not been already published or it is not currently under consideration for publication in other places.
Source ↗Publisher website ·- License & copyright
Copyright transfer upon acceptance Model summary
Copyright is transferred to the publisher when the manuscript is accepted for publication.
Source ↗Publisher website ·- Open access Promotion of open access
Open access promotion with free access and reuse conditions Model summary
J-STAGE promotes open access, which (1) provides free access to articles and (2) specifies the conditions of reuse including modification or redistribution. Over 90% of articles on J-STAGE are free to read. Open-access articles display a Creative Commons (CC) license and can be reused under the terms of the license. CC license on an article page CC license on an article PDF For more information ab…
Source ↗Publisher website ·- Peer review
Peer review process Model summary
The editorial committee usually invites reviewers for peer-review for the evaluation of the manuscript, although the editorial committee is responsible for the publication.
Source ↗Publisher website ·- Plagiarism
Plagiarism checking by editorial committee Model summary
The editorial committee conducts plagiarism checking for submitted manuscripts, and we decline the manuscript for publication if the result does not fit our criterion.
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Society of Rheology
- Country or region
- JAPAN
- Language
- Japanese
- Frequency
- Quarterly
- ISSN
- 0387-1533
- Electronic ISSN
- 2186-4586
- Official links
- Journal homepage ↗LetPub
- Submission system ↗Publisher website
FAQ
Frequently asked questions about Nihon Reoroji Gakkaishi
What CAS zone is Nihon Reoroji Gakkaishi in?
In the 2025 upgraded edition of the CAS Journal Ranking, Nihon Reoroji Gakkaishi is in Zone 4 of Engineering, and in Zone 4 of the minor category Mechanics / Polymer Science. In the 2026 Xinrui edition it is in Zone 4 of Engineering. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Nihon Reoroji Gakkaishi?
The latest impact factor listed by LetPub is 1.12; CiteScore 2.8, h-index 24.
How long does peer review take at Nihon Reoroji Gakkaishi?
Authors report an average review time of over 12 weeks; the community-reported acceptance is “Easy”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
What are the manuscript requirements of Nihon Reoroji Gakkaishi?
According to the journal's author guidelines: Abstract: ≤ 200 words; Keywords: ≤ 5; Templates: LaTeX and Word. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.
Which databases index Nihon Reoroji Gakkaishi?
According to LetPub and DOAJ records, Nihon Reoroji Gakkaishi is indexed in SCIE and Scopus.
Is Nihon Reoroji Gakkaishi open access, and what is the APC?
Nihon Reoroji Gakkaishi is a fully open-access journal. It charges no article processing charge.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .