Kiyoharu Tsuda

Person

  • Anjo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Variable valve system

    • Patent number 5,937,811
    • Issue date Aug 17, 1999
    • Otics Corporation
    • Katsuhiko Motosugi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES