 Warner has since written material for, and co-produced other artists alongside former Sony Records veteran engineer and producer Voytek Kochanek at Atlantis Studio Nashville.Kanki Izumigawa

The Senbukan dojo was inherited by Kanbun Izumigawa, and later renamed to Senbukai.After Kanbun Izumigawa died in 1982, the dojo was inherited by the second son Katsuya Izumigawa who continues to head the dojo and organisation today.