ClassNK Starts Joint Research Project with Shipyards on Upgraded Design taking into consideration Ship's Performance in Actual Seas. ClassNK (Chairman and President: Noboru Ueda) has started full scale ship tests to develop a feedback scheme on the design for ships performances in actual seas in collaboration with IMABARI SHIPBUILDING CO.,LTD (President and Representative Director: Higaki Yukito) and SAYONAS SHIPBUILDING CO. (President and Representative Director: Ueda Takashi).