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).
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Patent number: 8337601Abstract: 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: GrantFiled: January 26, 2006Date of Patent: December 25, 2012Assignee: Nichias CorporationInventors: Toshiro Nakano, Satoshi Minobe, Takashi Tanahashi
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Publication number: 20100059435Abstract: 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: ApplicationFiled: August 12, 2009Publication date: March 11, 2010Applicant: NICHIAS CORPORATIONInventors: Akihiro Imai, Takashi Tanahashi, Toshiro Nakano, Tainen Shimotsu, Shiro Ishiwata, Takashi Shimonosono
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Publication number: 20090241497Abstract: 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: ApplicationFiled: January 14, 2009Publication date: October 1, 2009Applicant: NICHIAS CorporationInventors: Akihiro Imai, Takashi Tanahashi, Toshiro Nakano, Tainen Shimotsu
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Publication number: 20080208481Abstract: 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: ApplicationFiled: February 26, 2008Publication date: August 28, 2008Inventors: Toshiro NAKANO, Hitoshi Otake
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Patent number: 7377963Abstract: 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: GrantFiled: January 28, 2005Date of Patent: May 27, 2008Assignee: Nichias CorporationInventors: Takashi Tanahashi, Akihiro Imai, Toshiro Nakano, Takashi Taniguchi
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Patent number: 7364608Abstract: 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: GrantFiled: January 11, 2005Date of Patent: April 29, 2008Assignee: Nichias CorporationInventors: Takashi Tanahashi, Toshiro Nakano, Akihiro Imai
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Publication number: 20060185336Abstract: 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: ApplicationFiled: January 26, 2006Publication date: August 24, 2006Applicant: NICHIAS CorporationInventors: Toshiro Nakano, Satoshi Minobe, Takashi Tanahashi
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Publication number: 20050217488Abstract: 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: ApplicationFiled: January 28, 2005Publication date: October 6, 2005Applicant: NICHIAS CORPORATIONInventors: Takashi Tanahashi, Akihiro Imai, Toshiro Nakano, Takashi Taniguchi
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Publication number: 20050212174Abstract: 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: ApplicationFiled: January 11, 2005Publication date: September 29, 2005Applicant: NICHIAS CorporationInventors: Takashi Tanahashi, Toshiro Nakano, Akihiro Imai
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Publication number: 20050211625Abstract: 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: ApplicationFiled: January 11, 2005Publication date: September 29, 2005Applicant: NICHIAS CorporationInventors: Takashi Tanahashi, Toshiro Nakano, Akihiro Imai
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Publication number: 20050025884Abstract: 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: ApplicationFiled: July 20, 2004Publication date: February 3, 2005Applicant: NICHIAS CORPORATIONInventors: Teruzi Yamazaki, Toshiro Nakano, Akihiro Imai
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Publication number: 20050022671Abstract: 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: ApplicationFiled: July 14, 2004Publication date: February 3, 2005Applicant: NICHIAS CorporationInventors: Teruzi Yamazaki, Toshiro Nakano, Akihiro Imai