Links for reference

Japanese Patent Office (JPO) https://www.jpo.go.jp/e/index.html
Decisions https://www.jpo.go.jp/e/system/trial_appeal/info-general-shinketsu-eiyaku.html
Industrial Property Digital Library https://www.j-platpat.inpit.go.jp
Japan Patent Attorneys Association https://www.jpaa.or.jp/en
World Intellectual Property Organization (WIPO) http://www.wipo.int/portal/en/index.html
U.S. Patent and Trademark Office (USPTO) https://www.uspto.gov
European Patent Office (EPO) https://www.epo.org/index.html
Korean Patent Office (KIPO) https://www.kipo.go.kr/en/MainApp
Chinese Patent Office (CNIPA) http://english.cnipa.gov.cn