Patent Database
1. TIPO
TIPO Patent Search
2. USPTO
Google Patent:
USPTO Patent search:
http://www.uspto.gov/patents/process/search/
3. SIPO
SIPO Patent search:
4. EPO
EPO Patent search:
http://worldwide.espacenet.com/?locale=en_EP
5. WIPO
WIPO application search:
http://www.wipo.int/tools/en/gsearch.html
6. JPO
JPO Patent Search:
IPDL : http://www.ipdl.inpit.go.jp/homepg_e.ipdl
PAJ search : http://www19.ipdl.inpit.go.jp/PA1/cgi-bin/PA1INIT?1320480294984
7. KIPO
KIPO Patent Search
http://eng.kipris.or.kr/eng/main/main_eng.jsp
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