Patents by Inventor Ho-Shing Wu

Ho-Shing Wu 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: 11345942
    Abstract: The invention relates to solid medium for producing glucosamine, including a substrate and 0.15-4.8 mL/g substrate of supplemental solution, which includes 0.1-2 g/L KH2PO4, 0.1-2 g/L NaCl, and 0.1-2 g/L MgSO4.7H2O. The invention also relates to a method for producing glucosamine, including providing microorganism being able to produce glucosamine, and fermenting the microorganism in the medium mentioned above.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: May 31, 2022
    Assignee: YUAN ZE UNIVERSITY
    Inventors: Ho-Shing Wu, Jia-Wei Peng
  • Patent number: 10781468
    Abstract: The invention relates to a medium for producing glucosamine, including 25-500 g/L molasses, 0.01-100 g/L soybean hydrolysate or 0.25-100 g/L corn steep liquor, 0.1-2 g/L MgSO4.7H2O, 0.1-0.5 g/L Al(NO3)3, and 1-5 mL/L methanol. The invention also relates to a method for producing glucosamine, including providing microorganism being able to produce glucosamine, and fermenting the microorganism in the medium mentioned above.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: September 22, 2020
    Assignee: YUAN ZE UNIVERSITY
    Inventors: Ho-Shing Wu, Jian-Hao Chen
  • Publication number: 20200087693
    Abstract: The invention relates to solid medium for producing glucosamine, including a substrate and 0.15-4.8 mL/g substrate of supplemental solution, which includes 0.1-2 g/L KH2PO4, 0.1-2 g/L NaCl, and 0.1-2 g/L MgSO4.7H2O. The invention also relates to a method for producing glucosamine, including providing microorganism being able to produce glucosamine, and fermenting the microorganism in the medium mentioned above.
    Type: Application
    Filed: September 6, 2019
    Publication date: March 19, 2020
    Inventors: Ho-Shing WU, Jia-Wei PENG
  • Publication number: 20190292574
    Abstract: The invention relates to a medium for producing glucosamine, including 25-500 g/L molasses, 0.01-100 g/L soybean hydrolysate or 0.25-100 g/L corn steep liquor, 0.1-2 g/L MgSO4.7H2O, 0.1-0.5 g/L Al(NO3)3, and 1-5 mL/L methanol.
    Type: Application
    Filed: May 1, 2019
    Publication date: September 26, 2019
    Inventors: Ho-Shing WU, Jian-Hao CHEN
  • Publication number: 20180119190
    Abstract: The invention relates to a medium for producing glucosamine, including 25-500 g/L molasses, 0.01-100 g/L soybean hydrolysate or 0.25-100 g/L corn steep liquor, 0.1-2 g/L MgSO4.7H2O, 0.1-0.5 g/L Al(NO3)3, and 1-5 mL/L methanol. The invention also relates to a method for producing glucosamine, including providing microorganism being able to produce glucosamine, and fermenting the microorganism in the medium mentioned above.
    Type: Application
    Filed: October 26, 2017
    Publication date: May 3, 2018
    Inventors: Ho-Shing WU, Jian-Hao CHEN
  • Patent number: 9169501
    Abstract: Disclosed is a method for producing biodegradable polymer and ethanol converted from carbon source by using recombinant microorganisms, comprising the steps of: (A) providing recombinant microorganisms transformed with plasmids containing at least a gene encoding for glycerol utilizing enzyme and a gene encoding for polyhydroxyalkanoate synthase; (B) culturing the recombinant microorganisms in a medium containing glycerol; (C) inducing expression of the genes of step (A), thereby obtaining polyhydroxyalkanoate and ethanol; and (D) recovering the polyhydroxyalkanoate and the ethanol; wherein the recombinant microorganisms have a glycerol utilization rate more than 90% (w/w), and have polyhydroxyalkanoate accumulated therein to a biomass content thereof at least 30% (w/w).
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: October 27, 2015
    Assignee: Yuan Ze University
    Inventors: Chi-Wei Lan, Ho-Shing Wu, Feng-Shen Chiu
  • Publication number: 20140295507
    Abstract: Disclosed is a method for producing biodegradable polymer and ethanol converted from carbon source by using recombinant microorganisms, comprising the steps of: (A) providing recombinant microorganisms transformed with plasmids containing at least a gene encoding for glycerol utilizing enzyme and a gene encoding for polyhydroxyalkanoate synthase; (B) culturing the recombinant microorganisms in a medium containing glycerol; (C) inducing expression of the genes of step (A), thereby obtaining polyhydroxyalkanoate and ethanol; and (D) recovering the polyhydroxyalkanoate and the ethanol; wherein the recombinant microorganisms have a glycerol utilization rate more than 90% (w/w), and have polyhydroxyalkanoate accumulated therein to a biomass content thereof at least 30% (w/w).
    Type: Application
    Filed: June 11, 2014
    Publication date: October 2, 2014
    Inventors: Chi-Wei LAN, Ho-Shing WU, Feng-Shen CHIU
  • Publication number: 20130302867
    Abstract: Disclosed is a method for producing biodegradable polymer and biomass fuel converted from carbon source by using recombinant microorganisms, comprising the steps of: (A) providing recombinant microorganisms transformed with plasmids containing at least a gene encoding for glycerol utilizing enzyme and a gene encoding for polyhydroxyalkanoate synthase; (B) culturing the recombinant microorganisms in a medium containing glycerol; (C) inducing expression of the genes of step (A), thereby obtaining polyhydroxyalkanoate and ethanol; and (D) recovering the polyhydroxyalkanoate and the ethanol; wherein the recombinant microorganisms have a glycerol utilization rate more than 90% (w/w), and have polyhydroxyalkanoate accumulated therein to a biomass content thereof at least 30% (w/w).
    Type: Application
    Filed: May 11, 2012
    Publication date: November 14, 2013
    Inventors: Chi-Wei Lan, Ho-Shing Wu, Feng-Shen Chiu
  • Publication number: 20120149066
    Abstract: A method for producing glucosamine with microorganism comprises of fermenting with a microorganism selected from the group consisting of Monascus pilosus and Aspergillus sp. in a novel low-cost medium, thereby enable it to produce glucosamine; wherein said medium is consisted of commercial Taiwan sugar, soy beam, rice bran and the like; wherein suitable condition for the fermentation is: 150˜300 rpm, pH 4˜pH 8, and 24° C.˜37° C.; wherein, after fermentation culturing, the fermentation liquor is filtered with suction to recover said microorganism biomass, said microorganism biomass is then subjected to steps of cell disruption, hydrochloric acid reaction, neutralization reaction and filtration, to obtain glucosamine produced by the microorganism.
    Type: Application
    Filed: February 22, 2012
    Publication date: June 14, 2012
    Applicant: YUAN ZE UNIVERSITY
    Inventors: Ho-Shing Wu, Yu-Fen Chang, Yu-Chiao Wei
  • Patent number: 8148113
    Abstract: A method for producing glucosamine with microorganism comprises of fermenting with a microorganism selected from the group consisting of Monascus pilosus and Aspergillus sp. in a novel low-cost medium, thereby enable it to produce glucosamine; wherein said medium is consisted of commercial Taiwan sugar, soy beam, rice bran and the like; wherein suitable condition for the fermentation is: 150˜300 rpm, pH 4˜pH 8, and 24° C.˜37° C.; wherein, after fermentation culturing, the fermentation liquor is filtered with suction to recover said microorganism biomass, said microorganism biomass is then subjected to steps of cell disruption, hydrochloric acid reaction, neutralization reaction and filtration, to obtain glucosamine produced by the microorganism.
    Type: Grant
    Filed: March 19, 2009
    Date of Patent: April 3, 2012
    Assignee: Yuan Ze University
    Inventors: Ho-Shing Wu, Yu-Fen Chang, Yu-Chiao Wei
  • Publication number: 20110114472
    Abstract: A process for producing glucosamine and acetyl glucosamine by using microwave technique, comprising following steps: (1) providing a chitin or chitosan source formed by a microorganism; (2) adding hydrochloric acid solution having concentration of 2N˜6N into said chitin or chitosan source to form a reaction solution; (3) placing said reaction solution in a microwave device and heating therein at power of 700˜2100 watt to carry out hydrolytic reaction such that chitin or chitosan is hydrolyzed into glucosamine or acetyl glucosamine.
    Type: Application
    Filed: November 17, 2009
    Publication date: May 19, 2011
    Inventors: Ho-Shing WU, Bo-Cheng Lin, Azis Boing Sitanggang
  • Publication number: 20100240105
    Abstract: A method for producing glucosamine with microorganism comprises of fermenting with a microorganism selected from the group consisting of Monascus pilosus and Aspergillus sp. in a novel low-cost medium, thereby enable it to produce glucosamine; wherein said medium is consisted of commercial Taiwan sugar, soy beam, rice bran and the like; wherein suitable condition for the fermentation is: 150˜300 rpm, pH 4˜pH 8, and 24° C.˜37° C.; wherein, after fermentation culturing, the fermentation liquor is filtered with suction to recover said microorganism biomass, said microorganism biomass is then subjected to steps of cell disruption, hydrochloric acid reaction, neutralization reaction and filtration, to obtain glucosamine produced by the microorganism.
    Type: Application
    Filed: March 19, 2009
    Publication date: September 23, 2010
    Applicant: Yuan Ze University
    Inventors: Ho-Shing Wu, Yu-Fen Chang, Yu-Chiao Wei