Soheii Niikawa said:Known for: Disgaea series, Hayarigami series, etc.
Favorite title of 2016: Shin Megami Tensei IV: Apocalypse
“Nippon Ichi Software will deliver various content from Gifu Prefecture to the world. In 2017 as well, we will actively launch new IP in the consumer game market. But it doesn’t end there. We will steadily take on new initiatives. We also have Nintendo Switch project(s), so please look forward to that. (There has been some skepticism about our company’s participation, but…. we’re in proper development!)”
Read more at http://gematsu.com/2016/12/4gamer-interviews-japanese-creators-2017-ambitions#VzUCa1JDRZzO0Acj.99
There you have another developer confirms they are working on Switch.