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.

Impact factor1.83Latest value listed by LetPub
CAS zoneZone 4 · Medicine2025 upgraded edition, major category · 2026 Xinrui edition Zone 4 · Medicine
Review time16 daysPublisher-reported, submission to final decision
APC—No source gives fee information
Acceptance48.3%From the journal's website
Articles per year752025 · OpenAlex count

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

  1. Legal and Regulatory AnalysisSocial Sciences8.1%
  2. Linguistic, Cultural, and Literary StudiesSocial Sciences8%
  3. Military Technology and StrategiesEngineering8%
  4. Gastric Cancer Management and OutcomesMedicine5.6%
  5. Liver Disease Diagnosis and TreatmentMedicine5.5%
  6. Gastrointestinal disorders and treatmentsMedicine5%
  7. Esophageal and GI PathologyMedicine4.3%
  8. 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
LevelCategoryZone
MajorMedicineZone 4
MinorMedicine, General & InternalZone 4

Top journal: noReview journal: no

CAS Xinrui Journal Ranking (March 2026)Medicine Zone 4
LevelCategoryZone
MajorMedicineZone 4
MinorMedicine, General & InternalZone 4

Top journal: noReview journal: not marked

CAS Journal Ranking, previous upgraded edition (December 2023)Medicine Zone 4
LevelCategoryZone
MajorMedicineZone 4
MinorMedicine, General & InternalZone 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

YearArticlesOpen accessCitations
202648482
2025757551
20248080207
20235656383
20226363499
20219494544

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

Fully open accessOpenAlex

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

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: .