Link

The Japan Patent Office:
http://www.jpo.go.jp/indexj.htm

Japan Patent Attorneys Association:
http://www.jpaa.or.jp/

NITE Patent Microorganisms Depositary:
http://www.nite.go.jp/nbrc/patent/ida/npmd.html

Support for medium and small-sized businesses on patent prior art investigation
http://www.japio.or.jp/service/service01.html

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