Patents by Inventor Toshiro Nakano

Toshiro Nakano 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: 8337601
    Abstract: An air filter sheet comprising particles of a functional agent with an average particle diameter of 0.1 to 30 ?m and fibrils of a polytetrafluoroethylene resin with a number average molecular weight of 3,000,000 to 50,000,000, the ratio by weight of the functional agent to the fibrils of the polytetrafluoroethylene resin being from 1 to 99. According to the present invention, an air filter sheet comprising fibrils of polytetrafluoroethylene resin with a functional agent carried thereon, possessing excellent formability, and being free from a lubricant, a process for manufacturing the air filter sheet, and an air filter free from contamination of outgas with a lubricant are provided.
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: December 25, 2012
    Assignee: Nichias Corporation
    Inventors: Toshiro Nakano, Satoshi Minobe, Takashi Tanahashi
  • Publication number: 20100059435
    Abstract: A chemical filter obtained by fabricating a chemical filter material, the chemical filter material being a woven or nonwoven fabric formed from a hydroxyl group-containing organic fiber, the hydroxyl group-containing organic fiber containing cation exchange groups introduced by radiation graft polymerization, the chemical filter material having an ion-exchange capacity of 400 meq/m2 or more with respect to the cation exchange groups, and the chemical filter material having a tensile strength of 5 to 20 N/15 mm.
    Type: Application
    Filed: August 12, 2009
    Publication date: March 11, 2010
    Applicant: NICHIAS CORPORATION
    Inventors: Akihiro Imai, Takashi Tanahashi, Toshiro Nakano, Tainen Shimotsu, Shiro Ishiwata, Takashi Shimonosono
  • Publication number: 20090241497
    Abstract: A chemical filter is obtained by pleating a nonwoven fabric, the nonwoven fabric being a spunlace nonwoven fabric prepared by causing fibers to be entangled by a spunlace method, and ion-exchange groups being introduced into the fibers by radiation graft polymerization.
    Type: Application
    Filed: January 14, 2009
    Publication date: October 1, 2009
    Applicant: NICHIAS Corporation
    Inventors: Akihiro Imai, Takashi Tanahashi, Toshiro Nakano, Tainen Shimotsu
  • Publication number: 20080208481
    Abstract: The automatic analyzer is provided with a function of, based on selection of the output result targeted by a user from among all printed results output by the automatic analyzer, proceeding to a start page of the targeted output result so that the targeted output result is displayed, on a screen for displaying a list including a title of printing, the date of printing, a range of pages, and a user's check indicating whether or not the user has checked the result. The automatic analyzer is also provided with a function of enabling a user to add a check indicating whether or not the verification/confirmation of data has been performed, the check date, a checker, a comment, and the like, to the measurement result targeted by the user, and the like, on a screen displaying the result.
    Type: Application
    Filed: February 26, 2008
    Publication date: August 28, 2008
    Inventors: Toshiro NAKANO, Hitoshi Otake
  • Patent number: 7377963
    Abstract: An adsorption filter includes at least one thin plate honeycomb filtering medium carrying a gas-adsorbing medium thereon and a filter case housing the honeycomb filtering medium therein. The thin plate honeycomb filtering medium is disposed in the filter case in such a manner as to make a series of V configurations with respect to a ventilation direction.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: May 27, 2008
    Assignee: Nichias Corporation
    Inventors: Takashi Tanahashi, Akihiro Imai, Toshiro Nakano, Takashi Taniguchi
  • Patent number: 7364608
    Abstract: The chemical filter supporting an ion-exchange resin comprising a fiber supporting body containing ion-exchange fiber and ion-exchange resin powder which is supported on the fiber supporting body is provided. The chemical filter possesses a large ion-exchange capacity per unit volume and exhibits high initial performance of eliminating ionized gaseous pollutants and excellent durability of the elimination performance.
    Type: Grant
    Filed: January 11, 2005
    Date of Patent: April 29, 2008
    Assignee: Nichias Corporation
    Inventors: Takashi Tanahashi, Toshiro Nakano, Akihiro Imai
  • Publication number: 20060185336
    Abstract: An air filter sheet comprising particles of a functional agent with an average particle diameter of 0.1 to 30 ?m and fibrils of a polytetrafluoroethylene resin with a number average molecular weight of 3,000,000 to 50,000,000, the ratio by weight of the functional agent to the fibrils of the polytetrafluoroethylene resin being from 1 to 99. According to the present invention, an air filter sheet comprising fibrils of polytetrafluoroethylene resin with a functional agent carried thereon, possessing excellent formability, and being free from a lubricant, a process for manufacturing the air filter sheet, and an air filter free from contamination of outgas with a lubricant are provided.
    Type: Application
    Filed: January 26, 2006
    Publication date: August 24, 2006
    Applicant: NICHIAS Corporation
    Inventors: Toshiro Nakano, Satoshi Minobe, Takashi Tanahashi
  • Publication number: 20050217488
    Abstract: The present invention provides an adsorption filter, comprising: at least one thin plate honeycomb filtering medium carrying a gas-adsorbing medium thereon; and a filter case housing the honeycomb filtering medium therein, wherein the thin plate honeycomb filtering medium is disposed in the filter case in such a manner as to make a series of V configurations with respect to a ventilation direction. Also disclosed is a method for manufacturing the adsorption filter.
    Type: Application
    Filed: January 28, 2005
    Publication date: October 6, 2005
    Applicant: NICHIAS CORPORATION
    Inventors: Takashi Tanahashi, Akihiro Imai, Toshiro Nakano, Takashi Taniguchi
  • Publication number: 20050212174
    Abstract: A method for manufacturing a chemical filter with a corrugated honeycomb structure is disclosed. The method comprises coating or impregnating a fibrous paper containing ion-exchange fiber with a slurry mixture of an ion-exchange resin powder and an adhesive to obtain a paper supporting ion-exchange resin powder and applying the paper supporting ion-exchange resin powder to a corrugating process.
    Type: Application
    Filed: January 11, 2005
    Publication date: September 29, 2005
    Applicant: NICHIAS Corporation
    Inventors: Takashi Tanahashi, Toshiro Nakano, Akihiro Imai
  • Publication number: 20050211625
    Abstract: The chemical filter supporting an ion-exchange resin comprising a fiber supporting body containing ion-exchange fiber and ion-exchange resin powder which is supported on the fiber supporting body is provided. The chemical filter possesses a large ion-exchange capacity per unit volume and exhibits high initial performance of eliminating ionized gaseous pollutants and excellent durability of the elimination performance.
    Type: Application
    Filed: January 11, 2005
    Publication date: September 29, 2005
    Applicant: NICHIAS Corporation
    Inventors: Takashi Tanahashi, Toshiro Nakano, Akihiro Imai
  • Publication number: 20050025884
    Abstract: A method for manufacturing a chemical filter with a corrugated honeycomb structure is disclosed. The method comprises coating a fiber paper with a slurry mixture of an ion-exchange resin powder and an adhesive to obtain an ion-exchange resin-coated paper with the ion-exchange resin powder attached to the surface and inside of the fiber paper, and forming a chemical filter with a corrugated honeycomb structure using the ion-exchange resin-coated paper. The average particle diameter of the ion-exchange resin powder is preferably 1-150 ?m. In addition, the ion-exchange resin powder preferably has an ion-exchange capacity of 1-10 meq/g.
    Type: Application
    Filed: July 20, 2004
    Publication date: February 3, 2005
    Applicant: NICHIAS CORPORATION
    Inventors: Teruzi Yamazaki, Toshiro Nakano, Akihiro Imai
  • Publication number: 20050022671
    Abstract: A chemical filter comprising an ion-exchange resin powder attached to the surface and inside of a fiber paper, which forms a corrugated honeycomb substrate, using an adhesive is disclosed. The average particle diameter of the ion-exchange resin powder is preferably 1-150 ?m. In addition, the ion-exchange resin powder preferably has an ion-exchange capacity of 1-10 meq/g. A method for manufacturing the chemical filter is also disclosed. The method comprises spraying or shower-coating a slurry mixture of an ion-exchange resin powder and an adhesive onto a corrugated honeycomb substrate, or dipping the corrugated honeycomb substrate in a slurry mixture.
    Type: Application
    Filed: July 14, 2004
    Publication date: February 3, 2005
    Applicant: NICHIAS Corporation
    Inventors: Teruzi Yamazaki, Toshiro Nakano, Akihiro Imai