I received this news via LinkedIn.
From Chrislyn Brandt:
Dear Hitachi Friends, We have heard from our friends in Japan that Mr. Kenji Nakamura died this past weekend. He was the President and General Manager at Hitachi America and its companies for decades and considered the father of UltraVision HDTV. Our condolences to the Nakamura Family. May Kenji rest in peace.