Patents by Inventor Yejun Han

Yejun Han 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).

  • Publication number: 20210053334
    Abstract: A lamination jig according to an exemplary embodiment of the present invention includes: a base plate having a predetermined depth, and including at least one substrate mounting unit into which the substrate is inserted and fixed; and at least one discharging hole installed in the base plate and at least part thereof overlapping the substrate mounting unit.
    Type: Application
    Filed: August 4, 2020
    Publication date: February 25, 2021
    Inventors: Daebong SEO, Byungchan SEO, Junseo KIM, Jun HUR, Jimin SO, Yejun HAN, Hoemin JUNG, Jin Hyeong YU, Kwanwon LIM
  • Patent number: 9765371
    Abstract: The disclosure provides thermostable enzymes isolated from Caldicellulosiruptor bescii and fragments thereof useful for the degradation of cellulose and/or hemicellulose, including thermostable cellulases and hemicellulases. The disclosure further provides nucleic acids encoding the thermostable enzymes of the disclosure. The disclosure also provides methods for the conversion of cellulose and hemicellulose into fermentable sugars using thermostable enzymes of the disclosure. The disclosure also provides enzyme cocktails containing multiple enzymes disclosed herein. The enzymes can be used to release sugars present in cellulose or hemicellulose for subsequent fermentation to produce value-added products.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: September 19, 2017
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Yejun Han, Xiaoyun Su, Dylan Dodd, Roderick I. Mackie, Isaac K. O. Cann
  • Patent number: 9012186
    Abstract: The present disclosure provides methods for the conversion of hemicellulose into fermentable sugars using enzymes isolated from Prevotella bryantii. Hemicellulose-degrading enzymes include an endoxylanase, a ?-xylosidase, a bifunctional ?-xylosidase and ?-glucosidase, a bifunctional arabinofuranosidase and ?-xylosidase, a glucuronidase, and an acetyl xylan esterase. The enzymes can be used to release sugars present in hemicellulose for subsequent fermentation to produce value-added products such as ethanol.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: April 21, 2015
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Isaac K. O. Cann, Shinichi Kiyonari, Dylan Dodd, Yejun Han, Roderick I. Mackie
  • Publication number: 20150093790
    Abstract: The disclosure provides thermostable enzymes isolated from Caldicellulosiruptor bescii and fragments thereof useful for the degradation of cellulose and/or hemicellulose, including thermostable cellulases and hemicellulases. The disclosure further provides nucleic acids encoding the thermostable enzymes of the disclosure. The disclosure also provides methods for the conversion of cellulose and hemicellulose into fermentable sugars using thermostable enzymes of the disclosure. The disclosure also provides enzyme cocktails containing multiple enzymes disclosed herein. The enzymes can be used to release sugars present in cellulose or hemicellulose for subsequent fermentation to produce value-added products.
    Type: Application
    Filed: December 20, 2011
    Publication date: April 2, 2015
    Applicant: The Board pf Trustees of the University of Illinois
    Inventors: Yejun Han, Xiaoyun Su, Dylan Dodd, Roderick I. Mackie, Issac K.O. Cann
  • Patent number: 8357518
    Abstract: The present disclosure relates to hydrolysis of mannan-containing poly- or oligo-saccharides by use of a polypeptide having endo-?-mannanase activity. In particular the present disclosure relates to compositions comprising a bacterial endo-?-mannanase, polynucleotides encoding the endo-?-mannanase, and methods of use thereof.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: January 22, 2013
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Yejun Han, Dylan Dodd, Satish Nair, Roderick I. Mackie, Isaac K. O. Cann
  • Publication number: 20120135474
    Abstract: The present disclosure provides methods for the conversion of hemicellulose into fermentable sugars using enzymes isolated from Prevotella bryantii. Hemicellulose-degrading enzymes include an endoxylanase, a ?-xylosidase, a bifunctional ?-xylosidase and ?-glucosidase, a bifunctional arabinofuranosidase and ?-xylosidase, a glucuronidase, and an acetyl xylan esterase. The enzymes can be used to release sugars present in hemicellulose for subsequent fermentation to produce value-added products such as ethanol.
    Type: Application
    Filed: April 27, 2010
    Publication date: May 31, 2012
    Applicant: The Board of Trustees of the University of Illinois
    Inventors: Isaac K. O. Cann, Shinichi Kiyonari, Dylan Dodd, Yejun Han, Roderick I. Mackie
  • Publication number: 20110294166
    Abstract: The present disclosure relates to hydrolysis of mannan-containing poly- or oligo-saccharides by use of a polypeptide having endo-?-mannanase activity. In particular the present disclosure relates to compositions comprising a bacterial endo-?-mannanase, polynucleotides encoding the endo-?-mannanase, and methods of use thereof.
    Type: Application
    Filed: May 24, 2011
    Publication date: December 1, 2011
    Applicant: The Board of Trustees of the University of Illinois
    Inventors: Yejun HAN, Dylan Dodd, Satish Nair, Roderick I. Mackie, Isaac K. O. Cann