Patents by Inventor Nam-Ju Jo

Nam-Ju Jo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11014837
    Abstract: Disclosed are an energy self-contained oceanic drone for AI-based marine information survey and surveillance and a method using the same. A method of monitoring, by a marine vessel system, an ocean condition may include taking in a given amount of seawater or fresh water, performing advanced water treatment on the taken-in seawater or fresh water, performing water electrolysis treatment on the water obtained through the advanced water treatment, generating electric energy using a fuel cell based on hydrogen obtained from the water through the water electrolysis treatment, and supplying the generated electric energy as electric power for the marine vessel system.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: May 25, 2021
    Assignee: KWaterCraft Co., Ltd.
    Inventors: Sun Cheol Gwon, Dong Ha Lee, Nam Ju Jo, Tae Yoon Kim, Sung Hoon Hong, Gwang Hyo Jeong, Jae-Myung Lee
  • Publication number: 20190367387
    Abstract: Disclosed are an energy self-contained oceanic drone for AI-based marine information survey and surveillance and a method using the same. A method of monitoring, by a marine vessel system, an ocean condition may include taking in a given amount of seawater or fresh water, performing advanced water treatment on the taken-in seawater or fresh water, performing water electrolysis treatment on the water obtained through the advanced water treatment, generating electric energy using a fuel cell based on hydrogen obtained from the water through the water electrolysis treatment, and supplying the generated electric energy as electric power for the marine vessel system.
    Type: Application
    Filed: June 5, 2019
    Publication date: December 5, 2019
    Applicant: KWaterCraft Co., Ltd.
    Inventors: Sun Cheol Gwon, Dong Ha Lee, Nam Ju Jo, Tae Yoon Kim, Sung Hoon Hong, Gwang Hyo Jeong, Jae-Myung Lee
  • Patent number: 7989520
    Abstract: The present invention relates to an antifouling paint composition which is pro-environmental because it does not contain organotin and copper compound which are the major causes of maritime environmental pollution, and has excellent inhibitory effect on the adhesion of marine organisms on the surface. The antifouling paint composition of the present invention characteristically comprises a resin, tourmaline and an alkali metal, an alkali earth metal and/or an oxide thereof.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: August 2, 2011
    Assignee: Pusan National University Industry-University Cooperation Foundation
    Inventors: Ho Hwan Chun, Inwon Lee, Hyun Park, Won Sub Chung, Nam-Ju Jo
  • Publication number: 20090203824
    Abstract: The present invention relates to an antifouling paint composition which is pro-environmental because it does not contain organotin and copper compound which are the major causes of maritime environmental pollution, and has excellent inhibitory effect on the adhesion of marine organisms on the surface. The antifouling paint composition of the present invention characteristically comprises a resin, tourmaline and an alkali metal, an alkali earth metal and/or an oxide thereof.
    Type: Application
    Filed: March 28, 2008
    Publication date: August 13, 2009
    Inventors: Ho Hwan Chun, Inwon Lee, Hyun Park, Won Sub Chung, Nam-Ju Jo