About Japan Platform for Patent Information (J-PlatPat)

Japan Platform for Patent Information (J-PlatPat) is a service that can be used by beginners and advanced users. Please see the following site about service contents, operation method etc.

• How to Use J-PlatPat
• Site Map
• How to Use Services
• Document Coverage Information Menu

Japan Platform for Patent Information (J-PlatPat) is available in the following environments:

• Using on personal computer

  OS	Windows 10 or later, macOS "Sonoma" or later
  Browser	the latest version of Google Chrome, the latest version of Mozilla Firefox, the latest version of Microsoft Edge , Safari 17.6 or later
  Display	Recommended resolution 1024 × 768 or more
  Communication environment	Optical fiber equivalent Line speed or later

• Using on Tablet or Smartphone

  OS	iOS 18.1 or later, and Android 15 or later
  Browser	the latest version of Google Chrome, Safari 17.6 or later
  Display	Tablet: Recommended resolution 768 × 1024 or more, Smartphone: Recommended resolution 360 × 640 or more
  Communication environment	4G (LTE) or later

Operation Manual（2024.05） [PDF：28.3MB]

If you have trouble operating Japan Platform for Patent Information (J-PlatPat), please refer to the help page and FAQ below.

• Help list
• FAQ (Frequently Asked Questions and Answers)