Japanese Artist Mark & Seal Database
Upload a mark, find the artist
AI-powered matching across 47,230 marks and seals from 9,565 Japanese artists.
More Than Image Search — A Japanese Artist Mark Archive
Scattered artist records, marks, signatures, and seal images organized into searchable, comparable reference material.
Data is compiled from publicly published Japanese artist directories, manually verified for name, era, and category before inclusion, and continuously corrected and expanded.
From One Image to Artist Candidates
Upload a clear mark or seal image
AI extracts visual features from the image
Similar artists and mark candidates are returned
Check era, school, and seal impression on the detail page
Results are for research and appraisal reference only, and do not constitute a final determination of authenticity.
A First Clue for Art Research and Appraisal
Auction houses: quickly narrow down artist candidates
Antique dealers & galleries: verify marks and seal records
Museums & research institutions: search artist archives
Collectors: help assess a work's provenance
Art appraisal: establish a preliminary basis for comparison
Already know the artist's name? Search the database directly
You can also browse by name, romaji, era, kana order, or category.