Regarding the collaboration with Nikon Corporation

Both our company and Nikon will disclose our respective communication specifications as necessary to enhance compatibility when combining Nikon mirrorless cameras with Speedlites and lighting equipment.

The models were selected in consultation with Nikon.

While we cannot answer questions about future plans, we will consider it while listening to feedback from our customers.

We cannot answer questions about future plans.

All support for our products will be provided by our company.
https://www.nissin-japan.com/information/

It means sharing information between both parties to make products easier to use.

We will work together with Nikon to make improvements.

Please check the camera/strobe compatibility chart.
https://www.nissin-japan.com/compatibilitychart/

No. Our radio wireless system is not compatible with Nikon's system, so it cannot be controlled that way. Our Air10s commander is required.
Note that some of our models are compatible with Nikon's optical wireless system.