最さい上じょう恒こう産さんMeaningsNoun1. Saijō Kōsan (consortium)Kanji used最utmost上above恒constant産give birthComposed of最さい上じょうhighest (e.g. floor); top; best; finest; supreme; highest (quality)No-adjective恒こう産さんfixed property; real property; fixed occupationNoun