According to the Japanese news report:
http://www.asahi.com/articles/ASKBG56VXKBGUTQP01Y.html
Coach Nagakubo has made an announcement that he will retire from his coach position at Howa sportsland in Nagoya, Japan. His former students include Takeshi Honda, Shizuka Arakawa, and Suzuki Akiko (he also taught Mao Asada temporarily after Vancouver Olympics). Coach Nagakubo started coaching at the rinks in Sendai, where he taught skaters including Honda, Arakawa, and also Nanami Abe (Hanyu's former coach). Later on he moved from Sendai to Nagoya in 2006 and has been teaching at Howa sportsland since then.
There was no detail as for why Coach Nagakubo decides to retire,other than stating that he has to take long term rests due to family situation.
(Adding: the current skaters coaching by Nagakubo include: Rika Hongo, Rin Nitaya, Yuhana Yokoi, Sota Yamamoto...and other skaters who train mainly at Howa)
http://www.asahi.com/articles/ASKBG56VXKBGUTQP01Y.html
Coach Nagakubo has made an announcement that he will retire from his coach position at Howa sportsland in Nagoya, Japan. His former students include Takeshi Honda, Shizuka Arakawa, and Suzuki Akiko (he also taught Mao Asada temporarily after Vancouver Olympics). Coach Nagakubo started coaching at the rinks in Sendai, where he taught skaters including Honda, Arakawa, and also Nanami Abe (Hanyu's former coach). Later on he moved from Sendai to Nagoya in 2006 and has been teaching at Howa sportsland since then.
There was no detail as for why Coach Nagakubo decides to retire,other than stating that he has to take long term rests due to family situation.
(Adding: the current skaters coaching by Nagakubo include: Rika Hongo, Rin Nitaya, Yuhana Yokoi, Sota Yamamoto...and other skaters who train mainly at Howa)