Patents by Inventor Sen-ichi Ryo

Sen-ichi Ryo 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).

  • Method for producing fullerene suspension
    Patent number: 7900855
    Abstract: The present invention provides a fullerene suspension and a method for producing a fullerene suspension having high dispersion stability without any chemical compound. Also, the fullerene suspension and its producing method makes it possible to be applied in various fields including the field of medical and pharmaceutical science and the field of foods and environment, in which the fullerene suspension obtained by the prior methods had not been applied. The fullerene is ground to form nanoparticles by irradiating a fullerene in a poor solvent with a laser. The pulse laser having a width of several-ten femtoseconds to several-hundred nanoseconds is appropriately applied.
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: March 8, 2011
    Assignee: ABsize, Inc.
    Inventors: Tsuyoshi Asahi, Hiroshi Masuhara, Teruki Sugiyama, Isamu Oh, Sen-ichi Ryo
  • Apparatus for forming ultrafine particles
    Patent number: 7815426
    Abstract: An apparatus for forming ultrafine particles, including: a light source generating a laser beam to be irradiated at an organic substance; at least one microflow channel capable of passing therethrough a suspension containing the organic substance; and a flow device for allowing the suspension containing the organic substance to continuously or intermittently pass through the microflow channel, the organic substance present in the microflow channel being irradiated with the laser beam at least once within a predetermined period, thereby forming ultrafine particles of the organic substance.
    Type: Grant
    Filed: May 15, 2007
    Date of Patent: October 19, 2010
    Assignee: ABsize Inc.
    Inventors: Hiroyuki Kato, Isao Umeda, Tsuyoshi Asahi, Hiroshi Masuhara, Teruki Sugiyama, Isamu Oh, Sen-ichi Ryo, Kazuya Hirata, Motohiko Nohmi
  • Method of producing medicinal nanoparticle suspension
    Patent number: 7597278
    Abstract: A method of producing a medicinal nanoparticle suspension is provided, wherein a medicinal ingredient added in a suspending solution is ground to form nanoparticles of the medicinal ingredient by irradiating the suspending solution with a laser. The process is implemented after adding a poorly water-soluble or water-insoluble medicinal ingredient of a drug in a poor solvent to form the suspending solution.
    Type: Grant
    Filed: May 15, 2007
    Date of Patent: October 6, 2009
    Assignees: Osaka University, Absize, Inc., Ebara Corporation
    Inventors: Tsuyoshi Asahi, Hiroshi Masuhara, Teruki Sugiyama, Isamu Oh, Sen-ichi Ryo, Hiroyuki Kato, Isao Umeda
  • Method of producing medicinal nanoparticle suspension
    Publication number: 20080237376
    Abstract: A method of producing a medicinal nanoparticle suspension is provided, wherein a medicinal ingredient added in a suspending solution is ground to form nanoparticles of the medicinal ingredient by irradiating the suspending solution with a laser. The process is implemented after adding a poorly water-soluble or water-insoluble medicinal ingredient of a drug in a poor solvent to form the suspending solution.
    Type: Application
    Filed: May 15, 2007
    Publication date: October 2, 2008
    Inventors: Tsuyoshi Asahi, Hiroshi Masuhara, Teruki Sugiyama, Isamu Oh, Sen-ichi Ryo, Hiroyuki Kato, Isao Umeda
  • Method for producing fullerene suspension
    Publication number: 20080217445
    Abstract: The present invention provides a fullerene suspension and a method for producing a fullerene suspension having high dispersion stability without any chemical compound. Also, the fullerene suspension and its producing method makes it possible to be applied in various fields including the field of medical and pharmaceutical science and the field of foods and environment, in which the fullerene suspension obtained by the prior methods had not been applied. The fullerene is ground to form nanoparticles by irradiating a fullerene in a poor solvent with a laser. The pulse laser having a width of several-ten femtoseconds to several-hundred nanoseconds is appropriately applied.
    Type: Application
    Filed: February 7, 2008
    Publication date: September 11, 2008
    Inventors: Tsuyoshi Asahi, Hiroshi Masuhara, Teruki Sugiyama, Isamu Oh, Sen-ichi Ryo
  • APPARATUS FOR FORMING ULTRAFINE PARTICLES
    Publication number: 20070284769
    Abstract: An apparatus for forming ultrafine particles, including: a light source generating a laser beam to be irradiated at an organic substance; at least one microflow channel capable of passing therethrough a suspension containing the organic substance; and a flow device for allowing the suspension containing the organic substance to continuously or intermittently pass through the microflow channel, the organic substance present in the microflow channel being irradiated with the laser beam at least once within a predetermined period, thereby forming ultrafine particles of the organic substance.
    Type: Application
    Filed: May 15, 2007
    Publication date: December 13, 2007
    Applicants: EBARA CORPORATION, Osaka University, ABsize Inc.
    Inventors: Hiroyuki Kato, Isao Umeda, Tsuyoshi Asahi, Hiroshi Masuhara, Teruki Sugiyama, Isamu Oh, Sen-ichi Ryo, Kazuya Hirata, Motohiko Nohmi