Journal profile · MEDICINE, GENERAL & INTERNAL
Journal of Nippon Medical School
ISSN 1345-4676 · eISSN 1347-3409 · Medical Association of Nippon Medical School · JAPAN
Journal of Nippon Medical School: CAS Zone 4 · Medicine (2025 upgraded edition); impact factor 1.83; fully open access; review about 16 days (submission to final decision, publisher); acceptance rate 48.3% (journal website); 75 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Journal of Nippon Medical School is published by Medical Association of Nippon Medical School and is in Zone 4 of Medicine in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Legal and Regulatory Analysis, Linguistic, Cultural, and Literary Studies and Military Technology and Strategies, together about 24.1% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
The international effort to understand, treat and control disease involve clinicians and researchers from many medical and biological science disciplines. The Journal of Nippon Medical School (JNMS) is the official journal of the Medical Association of Nippon Medical School and is dedicated to furthering international exchange of medical science experience and opinion. It provides an international forum for researchers in the fields of bascic and clinical medicine to introduce, discuss and exchange thier novel achievements in biomedical science and a platform for the worldwide dissemination and steering of biomedical knowledge for the benefit of human health and welfare. Properly reasoned discussions disciplined by appropriate references to existing bodies of knowledge or aimed at motivating the creation of such knowledge is the aim of the journal.
Source: LetPub
Research area (LetPub): MEDICINE, GENERAL & INTERNAL
Main research topics OpenAlex counts of recent articles; shares are approximate
- Legal and Regulatory AnalysisSocial Sciences8.1%
- Linguistic, Cultural, and Literary StudiesSocial Sciences8%
- Military Technology and StrategiesEngineering8%
- Gastric Cancer Management and OutcomesMedicine5.6%
- Liver Disease Diagnosis and TreatmentMedicine5.5%
- Gastrointestinal disorders and treatmentsMedicine5%
- Esophageal and GI PathologyMedicine4.3%
- Liver Disease and TransplantationMedicine3.9%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Medicine Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 4 |
| Minor | Medicine, General & Internal | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Medicine Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 4 |
| Minor | Medicine, General & Internal | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Medicine Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 4 |
| Minor | Medicine, General & Internal | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
MEDLINEPublisher website
As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.
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
- 1.83LetPub ·
- Impact factor (publisher) 2025
- 1.8Publisher website ·
- CiteScore 2026-06
- 2.8LetPub ·
- SJR 2026-06
- 0.54LetPub ·
- SNIP 2026-06
- 0.85LetPub ·
- h-index
- 29LetPub ·
- h-index
- 50OpenAlex ·
- i10-index
- 572OpenAlex ·
- 2-year mean citedness
- 1.28OpenAlex ·
- Self-citation rate
- 5.6%LetPub ·
- Share of gold OA articles
- 99.06%LetPub ·
Volume
- Articles per year
- 66LetPub ·
Articles by year OpenAlex count · 7,547 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 48 | 48 | 2 |
| 2025 | 75 | 75 | 51 |
| 2024 | 80 | 80 | 207 |
| 2023 | 56 | 56 | 383 |
| 2022 | 63 | 63 | 499 |
| 2021 | 94 | 94 | 544 |
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
Publisher-reported review time from the journal's website
16 dayssubmission to final decision
The publisher's own definition applies; dates from this journal's articles in the last 24 months are not available yet, so the publisher's figure is used.
Figures by source
- Acceptance rate (publisher)
- 48.3%Publisher website ·
- Submission to first decision
- 16 daysPublisher website ·
- Submission to final decision
- 16 daysPublisher website ·
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
Every article is open access; authors usually pay an article processing charge (APC).
No source has fee information yet; check the journal's website.
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)
Policy excerpts from the journal's websiteOpen access
- Open access
Indexed in MEDLINE and linked to Fulltext online Model summary
Indexed in MEDLINE and linked to Fulltext online
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
- Medical Association of Nippon Medical School
- Country or region
- JAPAN
- Language
- English
- ISSN
- 1345-4676
- Electronic ISSN
- 1347-3409
- Official links
- Journal homepage ↗LetPub
- Submission system ↗LetPub
FAQ
Frequently asked questions about Journal of Nippon Medical School
What CAS zone is Journal of Nippon Medical School in?
In the 2025 upgraded edition of the CAS Journal Ranking, Journal of Nippon Medical School is in Zone 4 of Medicine, and in Zone 4 of the minor category Medicine, General & Internal. In the 2026 Xinrui edition it is in Zone 4 of Medicine. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Journal of Nippon Medical School?
The latest impact factor listed by LetPub is 1.83; CiteScore 2.8, h-index 50.
How long does peer review take at Journal of Nippon Medical School?
The publisher reports about 16 days (submission to final decision); the journal's website gives an acceptance rate of 48.3%. 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.
Which databases index Journal of Nippon Medical School?
According to LetPub and DOAJ records, Journal of Nippon Medical School is indexed in SCIE and Scopus. The journal's website also lists MEDLINE; that list has not been checked against each database.
Is Journal of Nippon Medical School open access, and what is the APC?
Journal of Nippon Medical School is a fully open-access journal. Fee information is not available yet; check the journal's website.
Sources and updates
The facts on this page come from LetPub, Publisher website, OpenAlex; 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: .