https://patbrief.com/ weekly 1.0 https://patbrief.com/samples weekly 0.8 https://patbrief.com/samples/CN112233445A monthly 0.7 https://patbrief.com/samples/CN115383882A monthly 0.7 https://patbrief.com/samples/CN108765432A monthly 0.6 https://patbrief.com/samples/CN119988776A monthly 0.6 https://patbrief.com/samples/CN117654321A monthly 0.6 https://patbrief.com/ja monthly 0.8 https://patbrief.com/ja/chinese-patent-summary monthly 0.7 https://patbrief.com/terms monthly 0.3 https://patbrief.com/privacy monthly 0.3