Depending on what the R&D is for, it could take 20 years or it could take 6 months.  Your response provides no insight into Pyrogenesis' processes.  If Peter can provide some details, great.  If it's confidential, that's fine.

If Peter says thats just how long it takes, who am I or anyone to question it.

If they are working on something to shorten timelines, it would be nice to know.

His answer will allow me set my personal timeline expectations for their future projects.