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Koichi Homma

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR FILLING WITH METALLIC SODIUM
    • Publication number 20190030595
    • Publication date Jan 31, 2019
    • NITTAN VALVE CO., LTD.
    • Shigeru UCHIDA
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    HIGHLY-VISCOUS SUBSTANCE DISPENSING METHOD AND HIGHLY-VISCOUS SUBST...
    • Publication number 20180264530
    • Publication date Sep 20, 2018
    • NITTAN VALVE CO., LTD.
    • Koichi HOMMA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR PURIFYING METALLIC SODIUM
    • Publication number 20180142324
    • Publication date May 24, 2018
    • NITTAN VALVE CO., LTD.
    • Shigeru UCHIDA
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    VARIABLE PHASER FOR AUTOMOBILE ENGINE
    • Publication number 20150247428
    • Publication date Sep 3, 2015
    • NITTAN VALVE CO., LTD.
    • Masayasu Nagadoh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HOLLOW POPPET VALVE
    • Publication number 20150240675
    • Publication date Aug 27, 2015
    • NITTAN VALVE CO., LTD.
    • Koichi Homma
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PHASE VARYING APPARATUS FOR AUTOMOBILE ENGINE
    • Publication number 20140196677
    • Publication date Jul 17, 2014
    • NITTAN VALVE CO., LTD.
    • Michihiro Kameda
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    BURRING APPARATUS FOR FRICTION WELDING MACHINE
    • Publication number 20130221070
    • Publication date Aug 29, 2013
    • NITTAN VALVE CO., LTD.
    • Takehiro Okuno
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    PHASE VARYING APPARATUS FOR AUTOMOBILE ENGINE TECHNICAL
    • Publication number 20130192552
    • Publication date Aug 1, 2013
    • NITTAN VALVE CO., LTD.
    • Masaaki Niiro
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PHASE CHANGING DEVICE FOR AUTOMOBILE ENGINE
    • Publication number 20110000450
    • Publication date Jan 6, 2011
    • NITTAN VALVE CO., LTD.
    • Minoru Shiino
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PHASE VARYING APPARATUS FOR ENGINE
    • Publication number 20100000481
    • Publication date Jan 7, 2010
    • NITTAN VALVE CO., LTD.
    • Koichi Homma
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES