ImpaQ Ecosystem•Clarivate, Scopus & CORE Data
Clarivate WoS 2024 / 2025 Data
IMPAQ
WoS SCIE Q2Scopus Q3SCImago #12,977Hybrid

Tohoku Journal of Experimental Medicine

Acronym:tjem
•
Abbreviation (ISO):TOHOKU J EXP MED
•
Identifier (ISSN):0040-8727(Print)/1349-3329(Online)
•
Publisher:Tohoku University Medical Press
Clarivate IF (2026)
1.5↓ -0.1
Journal Impact Factor
IF Trend↓
WoS Quartile
Q2
WoS SCIEJCR Quartile
Clarivate WoS JCR
WoS Categories↓
JCR Release Date: 2026-06-17

Impact Factor Trend (2018–2026)

Clarivate IF trend for Tohoku Journal of Experimental Medicine

WoS Q2
01341.4220181.5820191.4420201.8520212.5520222.220231.720241.620251.52026
Annual Impact Factor Metric
Current (2026):1.5
Scopus SJR & RankScopus Q3
0.452
#12,977

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025
H-Index (2025)
74

74 papers with at least that number of citations each

WoS: SCIE / JCRQ2
Self-Citation Rate5.9%
Safe Level (< 15%)Warning Level (> 20%)
Self-citation below 15% indicates strong scholarly independence.
Volume & Open AccessHybrid
104articles/year
99.68% Gold OA•90.11% Original Research

Aims & Scope

Our mission is to publish peer-reviewed papers in all branches of medical sciences including basic medicine, social medicine, clinical medicine, nursing sciences and disaster-prevention science, and to present new information of exceptional novelty, importance and interest to a broad readership of the TJEM. The TJEM is open to original articles in all branches of medical sciences from authors throughout the world. The TJEM also covers the fields of disaster-prevention science, including earthquake archeology. Case reports, which advance significantly our knowledge on medical sciences or practice, are also accepted. Review articles, Letters to the Editor, Commentary, and News and Views will also be considered. In particular, the TJEM welcomes full papers requiring prompt publication.

Topics Covered (Recognized by AI)
MedicineBiologyInternal MedicineChemistryBiochemistryGeneticsEndocrinologyPathologyPsychologyPhysicsSurgeryOrganic ChemistryImmunology

WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR & JCI
JCRSCIE2026

MEDICINE, GENERAL & INTERNAL

Q2
Rank148/336
IndexSCIE
JCRSCIE2026

MEDICINE, RESEARCH & EXPERIMENTAL

Q4
Rank146/191
IndexSCIE
JCISCIE2026

MEDICINE, GENERAL & INTERNAL

Q2
Rank162/336
IndexSCIE
JCISCIE2026

MEDICINE, RESEARCH & EXPERIMENTAL

Q3
Rank139/191
IndexSCIE

Annual Historical Statistics & Publications

Track annual publication volume, total citations, and Impact Factor evolution

12 year
2026Latest
IF1.5
Articles / Year123
Total Citations2
2025
IF1.6
Articles / Year150
Total Citations73
2024
IF1.7
Articles / Year153
Total Citations326
2023
IF2.2
Articles / Year108
Total Citations526
2022
IF2.547
Articles / Year144
Total Citations1,050

SCImago & Scopus Journal Intelligence

Global SCImago ranking, SJR prestige index, Scopus coverage, and societal policy impact

Rank #12,977Scopus Q3SCImago Profile
Scopus Coverage:1920-1945, 1947-2026
Scopus Broad Areas:Biochemistry, Genetics and Molecular BiologyMedicine
Scopus Citation Rank (SJR)Q3
0.452

Weighted prestige citation metric per document indexed in the Scopus database.

Quartile: Scopus Q3
Citations / Doc (2 years)
1.44

Average citations received per document published in the 2-year window.

2-Year Citation Window
Estimated Publication Fee (APC)
$2,921 USD

Estimated Article Processing Charge for Open Access publication.

Estimated cost / article

Scopus 3-Year Publication & Citation Window

3-Year Citations496
3-Year Documents318
Citable Documents312

Aggregated from Scopus database across the 3-year SJR evaluation window.

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)0

Citations in government and international policy documents

Female Author Rate36.5%

Percentage of female authors published in the journal

Real-world societal policy reach and author gender diversity tracked by SCImago.

Scopus Subject Categories

Biochemistry, Genetics and Molecular Biology (miscellaneous)Q3
Medicine (miscellaneous)Q3
Academic Metric Intelligence

Journal Metrics & Citation Visualizations

Total Cites vs Self-Cites

Evaluation of scholarly independence and citation reach

Total citations steady growth
Self-citation: 5.9%

Citations per Document

Citation metric windows across 2, 3, and 4 years

Cites / Doc (4 years)Cites / Doc (3 years)Cites / Doc (2 years)

Chinese Academy of Sciences (CAS) Classification

Major / minor zone classification and CAS Early Warning List history

Major Category (Broad Field):
4区 (Zone 4)Medicine
Minor Category (Specific Field):
4区MEDICINE, GENERAL & INTERNAL
CAS Early Warning List History:
Updated annually: 2020 – 2024
2020
Not warned
2021
Not warned
2022
Not warned
2023
Not warned
2024
Not warned

Academic Intelligence Overview & Context

ImpaQ Analysis

Tohoku Journal of Experimental Medicine (acronym: tjem, abbr: TOHOKU J EXP MED, ISSN: 0040-8727) is a peer-reviewed international scholarly journal in the field of Medicine, published by Tohoku University Medical Press in Japan since 1920. The periodical holds a Journal Impact Factor (JIF) of 1.50, ranking in quartile Q2 of Web of Science (SCIE), a Scopus SJR indicator of 0.452 (Q3), an H-index of 74.

The journal enforces rigorous peer evaluation with a publication frequency of Monthly, an annual output of approximately 104 scientific articles. In terms of accessibility and author fees, it operates under the Hybrid model with an estimated APC of $2,921 USD. It serves as a benchmark publication platform for academics, researchers, and doctoral candidates seeking global research visibility.

Publishing & Editorial Information

Detailed publisher, peer-review turnaround, and publication cycle specifications

Open Access Model
Hybrid
Publisher
Tohoku University Medical Press
Publication Language
English
Frequency
Monthly
Founding Year
1920
Indexing & Databases
SCIEScopusPubMed
Editorial Address
TOHOKU UNIV MEDICAL PRESS, SCHOOL OF MEDICINE, SENDAI, JAPAN, 980-77

Similar Journals in Discipline

Journals in the same research field with comparable impact metrics

Record UUID: 1e793dca-085b-4ab4-8419-87f5ace5ef00
Database Updated: 2026-09-28