Patents · Japanese patent and IP document search service
J-PlatPat: coverage and access
Japanese prior-art research, patent landscaping, and IP document retrieval
What it covers
Geography and granularity
Geography: Japan; Japanese and related patent, utility model, design, and trademark records
Granularity: Document, application/publication, applicant, inventor, classification, legal/procedural data
Source type: Japanese patent and IP document search service
Potential use
Japanese prior-art research, patent landscaping, and IP document retrieval
Access and cost
Web search interface
Public access; Japanese interface and service rules may apply
Cost: Free
Update cadence: Continuously as Japan Patent Office records are published/updated
- Provider page ↗
- Documentation and access details ↗Check the provider's current terms and instructions before use
Interpret carefully
Limits that affect the decision
Coverage, translations, and legal-status interpretation can differ by document type; use the Japan Patent Office as the legal authority.
Continuously as Japan Patent Office records are published/updated
This record summarizes source documentation; Jon Bishop did not conduct an independent audit of the underlying dataset.