HATAMURA ENGINE RESEARCH OFFICE LTD.

Organization

  • Hiroshima, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Variable valve system

    • Patent number 9,494,061
    • Issue date Nov 15, 2016
    • Ogino Kogyo Co., Ltd.
    • Koichi Hatamura
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Four-cycle engine

    • Patent number 8,534,261
    • Issue date Sep 17, 2013
    • Hatamura Engine Research Office Ltd.
    • Koichi Hatamura
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

  • Information Patent Application

    VARIABLE VALVE SYSTEM

    • Publication number 20150075463
    • Publication date Mar 19, 2015
    • HATAMURA ENGINE RESEARCH OFFICE LTD.
    • Koichi HATAMURA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES