Patents by Inventor Jang-Youn Choi

Jang-Youn Choi 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).

  • Battery Apparatus and Battery Management System for Measuring Insulation Resistance
    Publication number: 20250027984
    Abstract: A first insulation resistance monitoring circuit includes a first resistor connected between a positive terminal of a battery pack and a node, and connected between the positive terminal of the battery pack and a ground terminal of an external device, and has a first monitoring terminal. A second insulation resistance monitoring circuit is connected between the ground terminal and the negative terminal of the battery pack, and has a second monitoring terminal. A voltage monitoring circuit is connected between the node and the negative terminal of the battery pack, and has a third monitoring terminal. A processor measures the voltage of the battery pack.
    Type: Application
    Filed: January 5, 2023
    Publication date: January 23, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jang Hyeok Choi, Tae Youn Kim, Minwoo Kim, Yeondo Park
  • Method and apparatus for acupuncture-tapping portion of human
    Patent number: 5676684
    Abstract: A method and apparatus for acupuncture-tapping procedures on a human body. The apparatus includes an acupuncture-tapping plate which has attached needles. A buffer connector is attached to the acupuncture-tapping plate solely by resilient member. A driving member is attached to the buffer connector by resilient member so that the buffer connector is operated to drive the acupuncture-tapping plate by utilizing the buffer connector. In this way, an acupuncture-tapping technique is provided which has beneficial effects on the damaged skin of the human body.
    Type: Grant
    Filed: October 11, 1996
    Date of Patent: October 14, 1997
    Inventor: Jang Youn Choi
  • Klebsiella oxytoca No. 19-1 capable of producing .alpha.-cyclodextrin
    Patent number: 5492829
    Abstract: The particular strain of Klebsiella oxytoca No. 19-1 has been isolated from soil which produces a cyclomaltoglucanotransferase enzyme capable of converting starch to .alpha.-cyclodextrin in very high proportion, nearly close to 100 percent, rather than another types of cyclodextrins.
    Type: Grant
    Filed: March 23, 1993
    Date of Patent: February 20, 1996
    Assignee: Lotte Confectionery Co., Ltd.
    Inventors: Jang Youn Choi, Jae Ho Lee, Kee Hyuh Choi, Ik Boo Kwon
  • Method for hyper-production of monascus pigments
    Patent number: 5457039
    Abstract: The present invention relates to a method for producing high amounts of Monascus pigment by cultivating a Monascus species in a particularly prepared media to which rice powder and peptone are added as carbon and nitrogen sources, respectively.
    Type: Grant
    Filed: September 9, 1993
    Date of Patent: October 10, 1995
    Assignee: Lotte Confectionery Co., Ltd.
    Inventors: Jun-Sung Kim, Kee-Hyun Choi, Jang-Youn Choi, Yoon-Soo Lee, Ik-Boo Kwon
  • Monascus strain, Monascus anka 732Y3 (KCCM 10014) producing high amount of monascus pigments
    Patent number: 5429943
    Abstract: The present invention relates to Monascus anka 732Y3 (KCCM 10014 induced from Monascus anka ATCC 16360 (=IFO 4478, KFCC 11832), and more particularly is concerned with Monascus anka 732Y3 (KCCM 10014), which was induced from Monascus anka ATCC 16360 (=IFO 4478, KFCC 11832) by ultra-violet light irradiation and produces higher amounts of pigments than Monascus anka ATCC 16360.
    Type: Grant
    Filed: September 9, 1993
    Date of Patent: July 4, 1995
    Assignee: Lotte Confectionery Co., Ltd.
    Inventors: Jun-Sung Kim, Kee-Hyun Choi, Jang-Youn Choi, Yoon-Soo Lee, Ik-Boo Kwon