Patents by Inventor Yu-Shen Cheng

Yu-Shen Cheng 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: 7076108
    Abstract: The inventions provides a method for compressing image data comprising the steps of: performing a color transformation of the data; wavelet-transforming the color-transformed data via division and multiplication operations being substituted with six lookup tables in order to provide a series of wavelet coefficients in different levels of wavelet transformation subbands; quantizing in accordance with a special equation the wavelet coefficients which fall above a predetermined threshold value to provide a series of quantized wavelet coefficients; applying an entropy coding to the quantized wavelet coefficients with a particular Huffman table; and compressing the coded wavelet coefficients to provide compressed data.
    Type: Grant
    Filed: May 1, 2002
    Date of Patent: July 11, 2006
    Inventors: Gen Dow Huang, Yu-shen Cheng
  • Patent number: 6892732
    Abstract: The present invention is a condom coated with lactic acid bacteria contained composition, which has not only provided the contraceptive effect and the prevention of sexually transmitted diseases transmission but also helped to establish, maintain and reestablish a non-pathogenic, natural or genetically modified intra-vaginal bacterial flora action in vagina. The lactic acid bacteria can be genetically modified and natural lactic acid bacteria such as spreads from mammal intestinal and vaginal tract. A condom is coated with composition containing powder form or other type of lactic acid bacteria such as cream, foam, micro-bead or micro-encapsulated form, which contains as its ingredients at least one species of viable lactic acid bacteria, and optionally with a lubricant. The risk of pathogenic microbial and viral infection in vagina can be decreased or prevented and the vaginal environment can be maintained in a good condition without side effect by using a condom of the present invention.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: May 17, 2005
    Assignee: Bioleader Technology Corp.
    Inventors: Chih-Hong Wang, Hsin-Chung Chen, Yu-Shen Cheng
  • Publication number: 20040118408
    Abstract: The present invention is a condom coated with lactic acid bacteria contained composition, which has not only provided the contraceptive effect and the prevention of sexually transmitted diseases transmission but also helped to establish, maintain and reestablish a non-pathogenic, natural or genetically modified intra-vaginal bacterial flora action in vagina. The lactic acid bacteria can be genetically modified and natural lactic acid bacteria such as spreads from mammal intestinal and vaginal tract. A condom is coated with composition containing powder form or other type of lactic acid bacteria such as cream, foam, micro-bead or micro-encapsulated form, which contains as its ingredients at least one species of viable lactic acid bacteria, and optionally with a lubricant. The risk of pathogenic microbial and viral infection in vagina can be decreased or prevented and the vaginal environment can be maintained in a good condition without side effect by using a condom of the present invention.
    Type: Application
    Filed: December 23, 2002
    Publication date: June 24, 2004
    Inventors: Chih-Hong Wang, Hsin-Chung Chen, Yu-Shen Cheng
  • Publication number: 20030108248
    Abstract: The inventions provides a method for compressing image data comprising the steps of: performing a color transformation of the data; wavelet-transforming the color-transformed data via division and multiplication operations being substituted with six lookup tables in order to provide a series of wavelet coefficients in different levels of wavelet transformation subbands; quantizing in accordance with a special equation the wavelet coefficients which fall above a predetermined threshold value to provide a series of quantized wavelet coefficients; applying an entropy coding to the quantized wavelet coefficients with a particular Huffman table; and compressing the coded wavelet coefficients to provide compressed data.
    Type: Application
    Filed: May 1, 2002
    Publication date: June 12, 2003
    Applicant: Techsoft Technology Co., Ltd.
    Inventors: Gen Dow Huang, Yu-Shen Cheng