Patents by Inventor Hisato Hayashi
Hisato Hayashi 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: 10020513Abstract: There is provided a novel slurry composition for forming a lithium secondary battery electrode which can improve homogeneity of an electrode active material and a conductive assistant even without using an organic solvent and can improve the binding of an electrode active material and a conductive assistant with an electrode collector, and a lithium secondary battery with improved charge/discharge cycle characteristics and battery capacity. A slurry composition for forming a lithium secondary battery electrode, characterized by comprising an electrode active material (A), a conductive assistant (B), and a pulverized cellulose fiber (C) as an aqueous binder, and a lithium secondary battery electrode and a lithium secondary battery which are obtained using the composition, and an aqueous binder used for the composition.Type: GrantFiled: September 20, 2012Date of Patent: July 10, 2018Assignees: NISSAN CHEMICAL INDUSTRIES, LTD., IWATE UNIVERSITYInventors: Hisato Hayashi, Masaaki Ozawa, Osamu Uesugi, Yoshihiro Kadoma
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Patent number: 10010490Abstract: There is provided a cosmetic additive in which the cosmetic obtained by mixing has excellent transparency, and good spread and feeling of use during application, and stickiness when dried can be suppressed, and a cosmetic containing the additive. A cosmetic additive containing cellulose fibers having an average fiber diameter (D) of 0.001 to 0.05 ?m, and a ratio (L/D) of average fiber length (L) to average fiber diameter (D) of 5 to 500; and a cosmetic containing the cosmetic additive.Type: GrantFiled: December 4, 2013Date of Patent: July 3, 2018Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Hisato Hayashi, Takehisa Iwama
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Publication number: 20180112013Abstract: The present invention provides a method capable of easily mixing any liquid containing a linking substance such as a divalent metal cation and the like with a liquid containing a particular compound at a high concentration, and capable of producing a liquid medium composition comprising fine structures dispersed therein, and a production device therefor and a kit therefor. The first liquid containing a particular compound is passed through a through-hole having a given cross-sectional area formed in a nozzle part at a given flow rate and injected into the second liquid at a given flow rate. By this simple operation, a structure in which the particular compound is bonded via the linking substance is formed, and the structure is preferably dispersed in a mixture of the both liquids.Type: ApplicationFiled: April 7, 2016Publication date: April 26, 2018Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Hisato HAYASHI, Koichiro SARUHASHI, Tatsuro KANAKI
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Publication number: 20170009209Abstract: A culture method (a preservation method) of somatic stem cells does not use a chemical such as DMSO that affects a differentiation function of somatic stem cells. A material for an undifferentiated state-maintaining culture for a somatic stem cell, having a naturally occurring polysaccharide; a culture liquid in which the material for the undifferentiated state-maintaining culture is dispersed; a somatic stem cell-containing culture liquid in which the somatic stem cell is suspended in the culture liquid; and a culture method for mesenchymal stem cells in which a naturally occurring polysaccharide is used.Type: ApplicationFiled: January 23, 2015Publication date: January 12, 2017Applicants: NISSAN CHEMICAL INDUSTRIES, LTD., KYUSHU UNIVERSITYInventors: Satoru KIDOAKI, Yukie TUJI, Hisato HAYASHI, Takehisa IWAMA, Masato HORIKAWA
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Publication number: 20170009201Abstract: The present invention provides a culture method of cells and/or tissues including culturing cells and/or tissues in a suspended state by using a medium composition having an effect of preventing sedimentation of cells and/or tissues, which is afforded by substantially retaining the cells and/or tissues without substantially increasing the viscosity of the solution by nanofibers which have been added to the solution and uniformly dispersed in the liquid medium, and the like.Type: ApplicationFiled: January 23, 2015Publication date: January 12, 2017Applicants: NISSAN CHEMICAL INDUSTRIES, LTD., KYOTO UNIVERSITYInventors: Hisato HAYASHI, Misayo OTANI, Koichiro SARUHASHI, Taito NISHINO, Takehisa IWAMA, Tatsuro KANAKI, Ayako AIHARA
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Publication number: 20160325011Abstract: A novel hemostatic material (aqueous dispersion) that can be applied by a simple method of application in the form of a liquid or a spray mist to a bleeding wound surface, exhibits an excellent solidifying action on all of plasma, serum, and blood, and achieves a hemostatic effect quickly and easily. An aqueous dispersion comprising insoluble polysaccharides having an average fiber diameter of 0.001 to 100 ?m and a ratio (L/D) of an average fiber length (L) to an average fiber diameter (D) of 5 to 500, wherein the aqueous dispersion causes plasma, serum, or blood to solidify under contact with plasma, serum, or blood.Type: ApplicationFiled: December 25, 2014Publication date: November 10, 2016Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Takehisa IWAMA, Hisato HAYASHI
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Patent number: 9340660Abstract: There is provided a P3HA resin composition to which a crystal nucleating agent suitable for the promotion of the crystallization of a P3HA resin is added. A poly(3-hydroxyalkanoate) resin composition comprising: a poly(3-hydroxyalkanoate) resin; and a metal salt of a phenylphosphonic acid compound of Formula [1]: (where R1 and R2 are each independently a hydrogen atom, a C1-10 alkyl group, or a C2-11 alkoxycarbonyl group), wherein the metal salt is at least one selected from the group consisting of a lithium salt, a sodium salt, a potassium salt, a magnesium salt, a calcium salt, a barium salt, a manganese salt, an iron salt, a cobalt salt, a nickel salt, a copper salt, a silver salt, an aluminum salt, and a tin salt.Type: GrantFiled: September 28, 2012Date of Patent: May 17, 2016Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Takeshi Suwa, Kazutoshi Odaka, Hisato Hayashi, Masaaki Ozawa
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Publication number: 20160074289Abstract: There is provided a thickening composition. A thickening composition including: an electrolyte; and cellulose fibers having an average fiber diameter of 0.001 to 100 ?m and containing hemicellulose and amorphous regions.Type: ApplicationFiled: April 22, 2014Publication date: March 17, 2016Inventors: Hisato HAYASHI, Takehisa IWAMA
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Publication number: 20150297469Abstract: There is provided a cosmetic additive in which the cosmetic obtained by mixing has excellent transparency, and good spread and feeling of use during application, and stickiness when dried can be suppressed, and a cosmetic containing the additive. A cosmetic additive containing cellulose fibers having an average fiber diameter (D) of 0.001 to 0.05 pin, and a ratio (L/D) of average fiber length (L) to average fiber diameter (D) of 5 to 500; and a cosmetic containing the cosmetic additive.Type: ApplicationFiled: December 4, 2013Publication date: October 22, 2015Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Hisato HAYASHI, Takehisa IWAMA
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Patent number: 9035100Abstract: A method for producing a phenylphosphonic acid metal salt composition, including reacting a phenylphosphonic acid compound (a) with a metal salt, metal oxide or metal hydroxide (b) that is present in an amount beyond the equivalent, the phenylphosphonic acid metal salt composition containing phenylphosphonic acid metal salt, and a surplus amount of the metal salt, the metal oxide or the surplus metal hydroxide (b). A crystal nucleating agent comprises the phenylphosphonic acid metal salt composition produced by the method.Type: GrantFiled: July 15, 2014Date of Patent: May 19, 2015Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Takeshi Suwa, Hisato Hayashi, Masahiro Hida, Masaaki Ozawa
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Publication number: 20140330038Abstract: A method for producing a phenylphosphonic acid metal salt composition, including reacting a phenylphosphonic acid compound (a) with a metal salt, metal oxide or metal hydroxide (b) that is present in an amount beyond the equivalent, the phenylphosphonic acid metal salt composition containing phenylphosphonic acid metal salt, and a surplus amount of the metal salt, the metal oxide or the surplus metal hydroxide (b). A crystal nucleating agent comprises the phenylphosphonic acid metal salt composition produced by the method.Type: ApplicationFiled: July 15, 2014Publication date: November 6, 2014Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Takeshi SUWA, Hisato HAYASHI, Masahiro HIDA, Masaaki OZAWA
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Publication number: 20140248537Abstract: There is provided a novel slurry composition for forming a lithium secondary battery electrode which can improve homogeneity of an electrode active material and a conductive assistant even without using an organic solvent and can improve the binding of an electrode active material and a conductive assistant with an electrode collector, and a lithium secondary battery with improved charge/discharge cycle characteristics and battery capacity. A slurry composition for forming a lithium secondary battery electrode, characterized by comprising an electrode active material (A), a conductive assistant (B), and a pulverized cellulose fiber (C) as an aqueous binder, and a lithium secondary battery electrode and a lithium secondary battery which are obtained using the composition, and an aqueous binder used for the composition.Type: ApplicationFiled: September 20, 2012Publication date: September 4, 2014Inventors: Hisato Hayashi, Masaaki Ozawa, Osamu Uesugi, Yoshihiro Kadoma
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Publication number: 20140235771Abstract: There is provided a P3HA resin composition to which a crystal nucleating agent suitable for the promotion of the crystallization of a P3HA resin is added. A poly(3-hydroxyalkanoate) resin composition comprising: a poly(3-hydroxyalkanoate) resin; and a metal salt of a phenylphosphonic acid compound of Formula [1]: (where R1 and R2 are each independently a hydrogen atom, a C1-10 alkyl group, or a C2-11 alkoxycarbonyl group), wherein the metal salt is at least one selected from the group consisting of a lithium salt, a sodium salt, a potassium salt, a magnesium salt, a calcium salt, a barium salt, a manganese salt, an iron salt, a cobalt salt, a nickel salt, a copper salt, a silver salt, an aluminum salt, and a tin salt.Type: ApplicationFiled: September 28, 2012Publication date: August 21, 2014Inventors: Takeshi Suwa, Kazutoshi Odaka, Hisato Hayashi, Masaaki Ozawa
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Patent number: 8445718Abstract: There is provided to a method for efficiently producing phosphonic acid metal salt fine particles with an average particle diameter of 0.5 ?m or less with high efficiency. A method for producing phosphonic acid metal salt fine particles, comprising: a) causing a reaction of a phosphonic acid compound of Formula (I): (where R1 and R2 are each independently a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, or an alkoxycarbonyl group having 1 to 10 carbon atoms) with a base in an aqueous medium to adjust a pH range of the reaction system to be neutral to basic; b) causing a reaction of the product obtained in a) with a metal salt to precipitate a phosphonic acid metal salt from the aqueous medium; c) removing water from the phosphonic acid metal salt precipitated in b); and d) heating and drying the phosphonic acid metal salt from which water is removed in c).Type: GrantFiled: May 12, 2010Date of Patent: May 21, 2013Assignee: Nissan Chemical Industries, Ltd.Inventors: Takeshi Suwa, Hisato Hayashi, Masaaki Ozawa
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Publication number: 20130123397Abstract: It is an object to provide a nucleating agent that is suitable for promoting crystallization of a crystalline resin and is derived from a natural product, in order to improve the moldability and the heat resistance of crystalline resins such as a poly(lactic acid) resin and a polyolefin resin; and to provide a crystalline resin composition including the nucleating agent. There is provided a crystalline resin composition including a crystalline resin and an amino acid metal salt; and a nucleating agent including the amino acid metal salt.Type: ApplicationFiled: July 22, 2011Publication date: May 16, 2013Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Takeshi Suwa, Hisato Hayashi, Masaaki Ozawa
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Publication number: 20120046397Abstract: There is provided to a method for efficiently producing phosphonic acid metal salt fine particles with an average particle diameter of 0.5 ?m or less with high efficiency. A method for producing phosphonic acid metal salt fine particles, comprising: a) causing a reaction of a phosphonic acid compound of Formula (I): (where R1 and R2 are each independently a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, or an alkoxycarbonyl group having 1 to 10 carbon atoms) with a base in an aqueous medium to adjust a pH range of the reaction system to be neutral to basic; b) causing a reaction of the product obtained in a) with a metal salt to precipitate a phosphonic acid metal salt from the aqueous medium; c) removing water from the phosphonic acid metal salt precipitated in b); and d) heating and drying the phosphonic acid metal salt from which water is removed in c).Type: ApplicationFiled: May 12, 2010Publication date: February 23, 2012Applicant: Nissan Chemical Industries, Ltd.Inventors: Takeshi Suwa, Hisato Hayashi, Masaaki Ozawa
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Publication number: 20110196077Abstract: A method for producing a phenylphosphonic acid metal salt, including reacting a phenylphosphonic acid compound (a) with a metal salt, metal oxide or metal hydroxide (b) that is present in an amount beyond the equivalent; a phenylphosphonic acid metal salt composition comprising a phenylphosphonic acid metal salt and surplus metal salt, surplus metal oxide or surplus metal hydroxide produced by the method; and a thermoplastic resin composition comprising the phenylphosphonic acid metal salt composition.Type: ApplicationFiled: September 9, 2010Publication date: August 11, 2011Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Takeshi Suwa, Hisato Hayashi, Masahiro Hida, Masaaki Ozawa
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Patent number: 7129293Abstract: A crosslinked polymer or polymer fine particles which can be obtained through copolymerization of at least a macromonomer having a polyethylene glycol segment, a comonomer having tertiary amine groups in its side chains and a crosslinking agent are provided. Said crosslinked polymer can be provided in the form of polymer nano- or micro-spheres; and also as conjugate nano- or micro-spheres with their core parts fixing or encapsulating metal or semiconductor ultrafine particles.Type: GrantFiled: April 23, 2003Date of Patent: October 31, 2006Assignees: Japan Science and Technology Agency, NOF CorporationInventors: Kazunori Kataoka, Yukio Nagasaki, Hidenori Otsuka, Atsuhiko Ogura, Takehiko Ishii, Hisato Hayashi, Teppei Uno
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Publication number: 20050171289Abstract: A crosslinked polymer or polymer fine particles which can be obtained through copolymerization of at least a macromonomer having a polyethylene glycol segment, a comonomer having tertiary amine groups in its side chains and a crosslinking agent are provided. Said crosslinked polymer can be provided in the form of polymer nano- or micro- spheres; and also as conjugate nano- or micro-spheres with their core parts fixing or encapsulating metal or semiconductor ultrafine particles.Type: ApplicationFiled: April 23, 2003Publication date: August 4, 2005Inventors: Kazunori Kataoka, Yukio Nagasaki, Hidenori Otsuka, Atsuhiko Ogura, Takehiko Ishii, Hisato Hayashi, Teppei Uno