Patents by Inventor Yunfu Li

Yunfu Li 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: 9108355
    Abstract: An emboss roller is provided that can give projecting-and-recess embosses to a surface sheet while uniform fiber density is realized through in an emboss roller which has a first emboss roll and a second roll formed as a set and gives projecting-and-recessed embosses by passing a surface sheet between these emboss rolls, and on the surface of the first emboss roll, a projecting portion projecting outward from a reference surface with the reference surface as a boundary and a recess portion recessed from the reference surface are provided, and the smooth reference surface is present in the periphery of the projecting portion and the recess portion, and on the surface of the second emboss roll, a projecting portion projecting outward from the reference surface with the reference surface as a boundary and meshed with the recess portion of the first emboss roll and a recess position recessed from the reference surface and meshed with the projecting portion of the first emboss roll are provided, and the smooth ref
    Type: Grant
    Filed: April 15, 2009
    Date of Patent: August 18, 2015
    Assignee: DAIO PAPER CORPORATION
    Inventors: Yukio Kume, Takako Fujii, Yunfu Li
  • Publication number: 20120059343
    Abstract: An emboss roller is provided that can give projecting-and-recess embosses to a surface sheet while uniform fiber density is realized through in an emboss roller which has a first emboss roll and a second roll formed as a set and gives projecting-and-recessed embosses by passing a surface sheet between these emboss rolls, and on the surface of the first emboss roll, a projecting portion projecting outward from a reference surface with the reference surface as a boundary and a recess portion recessed from the reference surface are provided, and the smooth reference surface is present in the periphery of the projecting portion and the recess portion, and on the surface of the second emboss roll, a projecting portion projecting outward from the reference surface with the reference surface as a boundary and meshed with the recess portion of the first emboss roll and a recess position recessed from the reference surface and meshed with the projecting portion of the first emboss roll are provided, and the smooth ref
    Type: Application
    Filed: April 15, 2009
    Publication date: March 8, 2012
    Inventors: Yukio Kume, Takako Fujii, Yunfu Li
  • Publication number: 20070077289
    Abstract: This invention relates to a cream containing interferon encapsulated with liposome, which comprises IFN liposome and cream substrate. The advantage of the cream of the present invention is high efficiency of encapsulation, stable production technique, good homogeneity of products, stable efficacy and low rate of leakage. In order to improve the capability of encapsulation of liposome and the activity and efficacy of IFN, IFN liposome and substrate are utilized to prepare a form of cream which cures those skin disease infected by virus, such as herpes zoster, herpetic stomatitis, verruca, condyloma acuminata, mollusoum contagiosum, herpes genitalis, verrca planae, verruca vulgaris, genital ulcer, oral ulcer and pruritus.
    Type: Application
    Filed: July 13, 2004
    Publication date: April 5, 2007
    Applicant: SHENZHEN NEPTUNUS INTERLONG BIO-TECHNIQUE HOLDINGS
    Inventors: Yan Wang, Xiangdong Chai, Yunfu Li, Baoke Dong, Xuetao Zhang