1–20 of 28 hits
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    Cleaning system for bottom of ship and Cleaning method for bottom of ship

    Free access
    CHOI HYEUNG SIK | European Patent Office | 2022

    SOLAR POWER GENERATOR HAVING VARIABLE SHAPE

    Free access
    CHOI HYEUNG SIK | European Patent Office | 2023

    Solar power generator having variable shape

    Free access
    CHOI HYEUNG SIK | European Patent Office | 2023

    SELF-CHARGING DRONE

    Free access
    CHOI HYEUNG SIK | European Patent Office | 2018

    UNDERWATER DROP TYPE POSITION GUIDING APPARATUS

    Free access
    CHOI HYEUNG SIK | European Patent Office | 2020

    PROPULSION APPARATUS FOR SHIP USING WAVE FORCE AND SHIP WITH PROPULSION APPARATUS

    Free access
    CHOI HYEUNG SIK | European Patent Office | 2021

    SELF-GENERATING SHIP

    Free access
    CHOI HYEUNG SIK | European Patent Office | 2019

    UNDERWATER ROBOT SYSTEM BASED SURFACE CRAFT

    Free access
    CHOI HYEUNG SIK | European Patent Office | 2018

    Ship with Electric Power Generation Device using Wave Force

    Free access
    CHOI HYEUNG SIK | European Patent Office | 2017

    SHIP EQUIPPED WITH PROPULSION SYSTEM USING WAVE FORCE

    Free access
    CHOI HYEUNG SIK | European Patent Office | 2017

    SAFETY LADDER SYSTEM FOR SHIP CABIN

    Free access
    CHOI HYEUNG SIK / JI DAE HYEUNG | European Patent Office | 2015

    UNMANNED SURFACE BOAT FOR ENVIRONMENTAL RECOVERY

    Free access
    CHOI HYEUNG SIK / KIM DEOK SOO | European Patent Office | 2015

    Development of a temperature-controlled car-seat system utilizing thermoelectric device

    Choi, Hyeung-Sik / Yun, Sangkook / Whang, Kwang-il | Tema Archive | 2007

    hybrid underwater glider

    Free access
    CHOI HYEUNG SIK / KIM JOON YOUNG / LEE SUNG WOOK | European Patent Office | 2018

    Time optimal trajectory design for unmanned underwater vehicle

    Loc, Mai Ba / Choi, Hyeung-Sik / You, Sam-Sang et al. | Tema Archive | 2014

    Verification of CFD analysis methods for predicting the drag force and thrust power of an underwater disk robot

    Joung, Tae-Hwan / Choi, Hyeung-Sik / Jung, Sang-Ki et al. | Online Contents | 2014

    Robust control synthesis for dynamic vessel positioning

    You, Sam-Sang / Lim, Tae-Woo / Kim, Joon-Young et al. | SAGE Publications | 2017

    UNDERWATER GLIDER

    Free access
    CHOI HYEUNG SIK / HA JI HOON / JEON JI HYE et al. | European Patent Office | 2016

    Verification of CFD analysis methods for predicting the drag force and thrust power of an underwater disk robot

    Free access
    Joung Tae-Hwan / Choi Hyeung-Sik / Jung Sang-Ki et al. | DOAJ | 2014