We have posted English translation of following judgments on IP Judgments Database:

1973 (Gyo-Tsu)82,February 28,1975[Supreme Court]
1992(O)797,March 30,1993[Supreme Court]
2000(Ju)798,October 25,2001[Supreme Court]
2015(Wa)4292,June 28, 2018[Osaka District Court]
2018(Gyo-Ke)10124, February 6, 2019[Intellectual Property High Court]