Congratulations on using the new guidelines. Just plunge right in! It will be slower because you'll have look up things rather frequently, but soon it will become second nature. On your title page I think you can follow the print and say Developed at ... whatever it says. Note that in the discussion of the author segment on title pages it clearly states that other entities, like translators, are now shown. The think the implication there is that the originating entity serves as the author.
As for the word "copyright," I'm not sure I understand your question. Is there a copyright symbol, ©, but not the print word "copyright"? Or is there no mention of copyright at all? If you can let me know exactly what your book says, we can figure out the answer.