patent dbJapanfree
J-PlatPat (Japan)
- Purpose
- Japan Patent Office's free database for patents, utility models, designs and trade marks.
- Coverage
- Japanese publications with English machine translation.
- Access conditions
- Free
- Region
- Japan
- Link
- https://www.j-platpat.inpit.go.jp/
- Review date
- 29 Oct 2026
- Link check
- Reachable when checked on 28 Oct 2026
- Tags
- patents, japan