PatentStorm - U.S. Patents Library and Database

PatentStorm is one of the oldest patent reference sites, serving information about current, pending, and expired U.S. and world patents. We are currently rebuilding our database and will be launching the next version of the site in the coming months. Announcement: PatentStorm is accepting original article submissions related to patents and intellectual property to be published on our soon-to-be-la

[jx0]

Patent Storm provides patent search capability of the US Patent Office patent information. Search for inventors and their inventions or browse the latest patents of their inventions.

[pho]

google patentみたいな感じかな。カテゴリ分けがなかなか面白い