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Patentfield is the best way for researching patents.

Individual Plan
Number of IDs Plan 料金(税別) 1 BASIC
Only credit cards
can be used
Support Detail Phone Mail
In 5 business days

Basic functions

Search Per Day unlimited searches / day

Boolean Search with 100+ fields

Near Search / Fuzzy Search

Semantic Search / Similar Search

Analyzable Max Records 500,000 Custom

Analyzable Items 120+

PF score Patent Scoring : Customizable with 40+ fields

Citation Map Analysis 5,000 / Over 5,000 : Contact us

Save search conditions in server unlimited

Email Alert 10 Custom

Work group 10 Custom

Ratings/Tags/Notes unlimited / group

Graph image exporting

Excel exporting 1,000 Custom

PDF Bulk Download Max approx. 100 per download
concurrency 1+
Maximum tempolary storage 2GB+
JP 1971~
US 1976~
EP 1978~

Security Web server for storing search cond's


  • Q.Are there any initial costs?

    There are no admission fees or initial costs.

  • Q.Term of Contract

    Minimum contract is one year.

  • Q.About payment methods

    The Basic plan can only be paid by credit card.