Japan’s open platform for its own science — free, broad, and easy to overlook.
At a Glance
| Publisher | Japan Science and Technology Agency (JST) |
| Coverage | 4,000+ journals, conference proceedings, and other publications from 2,400+ Japanese societies and publishers, across the sciences, engineering, and medicine |
| Access | largely free to read, much of it in both Japanese and English |
| Regional | the central platform for Japanese scholarly output. |
Our Take
J-STAGE is where a large share of Japanese research lives openly online, and it’s underused outside Japan mostly because people don’t know it’s there. Many journals offer English-language metadata or full text, which makes it more accessible to non-Japanese researchers than most regional indexes, and it’s free. Coverage skews toward Japanese society journals, and quality and English availability vary title to title. If your topic has a strong Japanese research base — materials science, robotics, certain areas of medicine — search J-STAGE directly rather than assuming the commercial indexes captured it.
Power Tips
- Search J-STAGE directly for fields with deep Japanese research; filter for English full text where you don’t read Japanese
- cross-reference a J-STAGE article against OpenAlex or Dimensions to pick up a DOI and English citation handle.
Alternatives & Complements
OpenAlex · Scopus · CiNii · Dimensions.
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