Hiroshi Asano

Person

  • Kobe-shi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Tunnel excavation device

    • Patent number 12,173,607
    • Issue date Dec 24, 2024
    • Komatsu Ltd.
    • Naoki Sekiyama
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tunnel excavation device

    • Patent number 12,173,608
    • Issue date Dec 24, 2024
    • Komatsu Ltd.
    • Naoki Sekiyama
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Auxiliary tunneling apparatus

    • Patent number 9,617,853
    • Issue date Apr 11, 2017
    • Komatsu Ltd.
    • Kazunari Kawai
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tunnel excavation method

    • Patent number 9,388,690
    • Issue date Jul 12, 2016
    • Komatsu Ltd.
    • Kazunari Kawai
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    TUNNEL EXCAVATION DEVICE

    • Publication number 20240200448
    • Publication date Jun 20, 2024
    • Komatsu Ltd.
    • Naoki SEKIYAMA
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TUNNEL EXCAVATION DEVICE

    • Publication number 20240200449
    • Publication date Jun 20, 2024
    • Komatsu Ltd.
    • Naoki SEKIYAMA
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TUNNEL EXCAVATION DEVICE

    • Publication number 20240200450
    • Publication date Jun 20, 2024
    • Komatsu Ltd.
    • Naoki SEKIYAMA
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TUNNEL EXCAVATION DEVICE

    • Publication number 20230212948
    • Publication date Jul 6, 2023
    • Komatsu Ltd.
    • Naoki SEKIYAMA
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TUNNEL EXCAVATION DEVICE

    • Publication number 20230203949
    • Publication date Jun 29, 2023
    • Komatsu Ltd.
    • Masahiro SUWANO
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    AUXILIARY TUNNELING APPARATUS

    • Publication number 20150078831
    • Publication date Mar 19, 2015
    • Komatsu Ltd.
    • Kazunari Kawai
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TUNNEL EXCAVATION METHOD

    • Publication number 20150069815
    • Publication date Mar 12, 2015
    • Komatsu Ltd.
    • Kazunari Kawai
    • E21 - EARTH DRILLING MINING