Patent Database

1. TIPO

TIPO Patent Search

http://twpat.tipo.gov.tw/

2. USPTO

Google Patent:

http://www.google.com/patents

USPTO Patent search:

http://www.uspto.gov/patents/process/search/

3. SIPO

SIPO Patent search:

http://www.sipo.gov.cn/zljs/

http://www.cnipr.com/   

 

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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