It's not corruption. He has stated that there were projects going on behind the scenes, but most of them got scrapped before reaching production.
The most recent manga he involved with was Ghost Urn, which explores the world of GitS from a different protagonist. He did not do the drawing, but did most of the worldbuilding and mecha design.
The most recent manga he involved with was Ghost Urn, which explores the world of GitS from a different protagonist. He did not do the drawing, but did most of the worldbuilding and mecha design.