I'm a german software developer working for a japanese corporation in a german subsidiary. I agree with pretty much everything in your post. Especially the exhausting chain of approvals and also the unwillingness to make quick/tough decisions feels like walking through molasses at times. However, there is also an upside to this. I can actually confirm that they take quality control very serious, probably due to the losing face cultural thing if the product fails the customer and therefore rarely do quick last minute changes or crunch, because it degrades quality.