Patents by Inventor Masahiro Umehara
Masahiro Umehara 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: 11160782Abstract: A nobiletin composition having high water solubility and a method for easily producing the same are provided. A method for producing a solid dispersion comprising nobiletin, comprising the step of mixing nobiletin or a nobiletin-containing product with a water-soluble hesperidin derivative, and then melting the mixture by heating; and the step of solidifying the melted product by cooling. A nobiletin-containing composition produced by the method.Type: GrantFiled: August 1, 2017Date of Patent: November 2, 2021Assignee: KAO CORPORATIONInventors: Masazumi Iwashita, Masahiro Umehara, Shintaro Onishi, Masaki Yamamoto, Keisuke Yamagami, Takaaki Ishigami
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Patent number: 10894058Abstract: Provided is a method of producing a solid dispersion that can improve solubility of a hardly soluble polyphenol in water. Specifically, provided is a method of producing a solid dispersion containing an amorphous hardly soluble polyphenol, the method including the steps of: mixing (A) a hardly soluble polyphenol, (B) at least one selected from the group consisting of a plant-derived polysaccharide, a seaweed-derived polysaccharide, and a microorganism-derived polysaccharide, a plant-derived polypeptide, and a microorganism-derived polypeptide, and (C) at least one selected from the group consisting of a monosaccharide and a disaccharide, followed by melting of the mixture by heating; and solidifying the molten product by cooling.Type: GrantFiled: August 19, 2015Date of Patent: January 19, 2021Assignee: KAO CORPORATIONInventors: Masahiro Umehara, Akihiro Uda, Tetsuya Abe, Yasushi Yamada
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Patent number: 10730815Abstract: The present invention is directed to provide a precipitate obtained by adding ?-cyclodextrin to a liquid containing a stilbene compound. The precipitate according to the present invention is used as the precipitate obtained by adding ?-cyclodextrin to the liquid containing a stilbene compound.Type: GrantFiled: October 16, 2015Date of Patent: August 4, 2020Assignee: MORINAGA & CO., LTD.Inventors: Masahiro Umehara, Ikuko Kurita, Koji Yanae, Masahiko Sai
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Publication number: 20190183852Abstract: A nobiletin composition having high water solubility and a method for easily producing the same are provided. A method for producing a solid dispersion comprising nobiletin, comprising the step of mixing nobiletin or a nobiletin-containing product with a water-soluble hesperidin derivative, and then melting the mixture by heating; and the step of solidifying the melted product by cooling. A nobiletin-containing composition produced by the method.Type: ApplicationFiled: August 1, 2017Publication date: June 20, 2019Applicant: KAO CORPORATIONInventors: Masazumi IWASHITA, Masahiro UMEHARA, Shintaro ONISHI, Masaki YAMAMOTO, Keisuke YAMAGAMI, Takaaki ISHIGAMI
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Publication number: 20170273999Abstract: Provided is a method of producing a solid dispersion that can improve solubility of a hardly soluble polyphenol in water. Specifically, provided is a method of producing a solid dispersion containing an amorphous hardly soluble polyphenol, the method including the steps of: mixing (A) a hardly soluble polyphenol, (B) at least one selected from the group consisting of a plant-derived polysaccharide, a seaweed-derived polysaccharide, and a microorganism-derived polysaccharide, a plant-derived polypeptide, and a microorganism-derived polypeptide, and (C) at least one selected from the group consisting of a monosaccharide and a disaccharide, followed by melting of the mixture by heating; and solidifying the molten product by cooling.Type: ApplicationFiled: August 19, 2015Publication date: September 28, 2017Applicant: KAO CORPORATIONInventors: Masahiro UMEHARA, Akihiro UDA, Tetsuya ABE, Yasushi YAMADA
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Publication number: 20160115110Abstract: The present invention is directed to provide a precipitate obtained by adding ?-cyclodextrin to a liquid containing a stilbene compound. The precipitate according to the present invention is used as the precipitate obtained by adding ?-cyclodextrin to the liquid containing a stilbene compound.Type: ApplicationFiled: October 16, 2015Publication date: April 28, 2016Inventors: Masahiro UMEHARA, Ikuko KURITA, Koji YANAE, Masahiko SAI
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Patent number: 8535697Abstract: Provided are a cosmetic composition which is an O1/W/O2 emulsion composition and contains, in the oil phases O1 and O2 thereof, fine metal oxide particles having ultraviolet screening ability; and a preparation process of the cosmetic composition.Type: GrantFiled: November 17, 2006Date of Patent: September 17, 2013Assignee: Kao CorporationInventors: Yukio Inomata, Toshio Uesaka, Satoshi Sugawara, Yasumitsu Sakuma, Masahiro Umehara
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Patent number: 8436165Abstract: The present invention relates to a process for producing a decrystallized cellulose having a reduced cellulose I-type crystallinity from a cellulose-containing raw material in an efficient manner with an excellent productivity. In accordance with the present invention, there is provided a process for producing a decrystallized cellulose from a raw material comprising at least 20% by weight, based on the weight of the raw material excluding water contained therein, of a cellulose having a cellulose I-type crystallinity of more than 33% as calculated from the following formula: Cellulose I-type Crystallinity (%)=[(I22.6?I18.5)/I22.6]×100 wherein I22.6 is a diffraction intensity of a lattice plane (002 plane) as measured at a diffraction angle 2? of 22.6° in X-ray diffraction analysis; and I18.5 is a diffraction intensity of an amorphous moiety as measured at a diffraction angle 2? of 18.Type: GrantFiled: February 15, 2008Date of Patent: May 7, 2013Assignee: Kao CorporationInventors: Naoki Nojiri, Masahiro Umehara, Tomohito Kitsuki, Munehisa Okutsu, Keiichiro Tomioka
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Patent number: 8420066Abstract: Provided is an O/W emulsion cosmetic composition, which contains the following components (A), (B) and (C): (A) a polymer which is either a nonionic or cationic polymer composed of a hydrophobic monomer unit and a hydrophilic monomer unit and contains from 40 to 80 wt. % of a hydrophilic group; (B) a dispersion containing the following components (a), (b), (c) and (d): (a) powders having ultraviolet screening ability and having a surface subjected to hydrophobic treatment, (b) a polymer composed of a hydrophobic monomer unit and a hydrophilic monomer unit, (c) a silicone oil, and (d) an alcohol having from 1 to 3 carbon atoms, at an (a):(b):(c):(d) weight ratio of (from 25 to 65):(from 0.1 to 5):(from 10 to 50):(from 10 to 50); and (C) water.Type: GrantFiled: November 17, 2006Date of Patent: April 16, 2013Assignee: Kao CorporationInventors: Yukio Inomata, Toshio Uesaka, Satoshi Sugawara, Yasumitsu Sakuma, Masahiro Umehara
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Publication number: 20120103324Abstract: The invention relates to a highly productive process for producing decrystallized cellulose which includes treating a cellulose-containing raw material by means of a mill, wherein the cellulose-containing raw material has a cellulose content of a residue obtained by removing water from the cellulose-containing raw material of 20 mass % or more, has a cellulose I-type crystallinity of cellulose more than 33% as calculated from the following formula (1): Cellulose I-type Crystallinity (%)=[(I22.6?I18.5)/I22.6]×100??(1), wherein I22.6 is a diffraction intensity of a lattice plane (002 plane) as measured at a diffraction angle 2? of 22.6° in X-ray diffraction analysis; and I18.5 is a diffraction intensity of an amorphous moiety as measured at a diffraction angle 2? of 18.5° in X-ray diffraction analysis, and has a water content of 1.8 mass % or less, to thereby reduce the cellulose I-type crystallinity to 33% or less.Type: ApplicationFiled: May 19, 2010Publication date: May 3, 2012Applicant: KAO CORPORATIONInventors: Kazutomo Osaki, Keiichiro Tomioka, Naoki Nojiri, Masahiro Umehara, Masafumi Miyamoto
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Publication number: 20110003341Abstract: A process for producing saccharide, including saccharifying decrystallized cellulose prepared from a raw material containing cellulose having cellulose I-type crystallinity of more than 33%, the process including: treating the cellulose-containing raw material by means of a mill to reduce the cellulose I-type crystallinity of the cellulose to 33% or less, wherein the cellulose-containing raw material has a cellulose content of a residue obtained by removing water from the cellulose-containing raw material of 20% by weight or more, to thereby prepare decrystallized cellulose, and causing a cellulase and/or a hemicellulase to act on the decrystallized cellulose.Type: ApplicationFiled: December 16, 2008Publication date: January 6, 2011Applicant: KAO CORPORATIONInventors: Naoki Nojiri, Masahiro Umehara, Keiichiro Tomioka, Takako Kawano, Tomohito Kitsuki, Munehisa Okutsu, Akinori Ogawa
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Publication number: 20100274001Abstract: The present invention relates to a process for producing a cellulose ether derivative in an industrially convenient and efficient manner by reacting a low-crystalline powdery cellulose with an epoxy compound in the presence of a catalyst.Type: ApplicationFiled: October 21, 2008Publication date: October 28, 2010Applicant: Kao CorporationInventors: Munehisa Okutsu, Masanori Takai, Toru Nishioka, Takeshi Ihara, Naoki Nojiri, Masahiro Umehara, Kohei Nakanishi
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Publication number: 20100105891Abstract: The present invention relates to a process for producing a decrystallized cellulose having a reduced cellulose I-type crystallinity from a cellulose-containing raw material in an efficient manner with an excellent productivity. In accordance with the present invention, there is provided a process for producing a decrystallized cellulose from a raw material containing a cellulose having a cellulose I-type crystallinity of more than 33% as calculated from the following formula: Cellulose I-type Crystallinity (%)=[(I22.6?I18.5)/I22.6]×100 wherein I22.6 is a diffraction intensity of a lattice plane (002 plane) as measured at a diffraction angle 2? of 22.6° in X-ray diffraction analysis; and I18.5 is a diffraction intensity of an amorphous moiety as measured at a diffraction angle 2? of 18.Type: ApplicationFiled: February 15, 2008Publication date: April 29, 2010Applicant: Kao CorporationInventors: Naoki Nojiri, Masahiro Umehara, Tomohito Kitsuki, Munehisa Okutsu, Keiichiro Tomioka
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Publication number: 20090263433Abstract: Provided are a cosmetic composition which is an O1/W/O2 emulsion composition and contains, in the oil phases O1 and O2 thereof, fine metal oxide particles having ultraviolet screening ability; and a preparation process of the cosmetic composition.Type: ApplicationFiled: November 17, 2006Publication date: October 22, 2009Applicant: KAO CORPORATIONInventors: Yukio Inomata, Toshio Uesaka, Satoshi Sugawara, Yasumitsu Sakuma, Masahiro Umehara
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Publication number: 20090142383Abstract: Provided is an O/W emulsion cosmetic composition, which contains the following components (A), (B) and (C): (A) a polymer which is either a nonionic or cationic polymer composed of a hydrophobic monomer unit and a hydrophilic monomer unit and contains from 40 to 80 wt. % of a hydrophilic group; (B) a dispersion containing the following components (a), (b), (c) and (d): (a) powders having ultraviolet screening ability and having a surface subjected to hydrophobic treatment, (b) a polymer composed of a hydrophobic monomer unit and a hydrophilic monomer unit, (c) a silicone oil, and (d) an alcohol having from 1 to 3 carbon atoms, at an (a):(b):(c):(d) weight ratio of (from 25 to 65):(from 0.1 to 5):(from 10 to 50):(from 10 to 50); and (C) water.Type: ApplicationFiled: November 17, 2006Publication date: June 4, 2009Applicant: KAO CORPORATIONInventors: Yukio Inomata, Toshio Uesaka, Satoshi Sugawara, Yasumitsu Sakuma, Masahiro Umehara
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Patent number: 7485615Abstract: The invention provides a process for producing a granular anionic surfactant, including the steps of carrying out drying and granulation simultaneously while adding an anionic surfactant paste to a powder raw material under reduced pressure in a granulator provided with a stirring blade and a cracking blade to obtain granules.Type: GrantFiled: August 5, 2004Date of Patent: February 3, 2009Assignee: Kao CorporationInventors: Masahiro Umehara, Hiroyuki Yamashita, Yasumitsu Sakuma, Kazuhito Miyoshi
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Publication number: 20050043202Abstract: The invention provides a process for producing a granular anionic surfactant, including the steps of carrying out drying and granulation simultaneously while adding an anionic surfactant paste to a powder raw material under reduced pressure in a granulator provided with a stirring blade and a cracking blade to obtain granules.Type: ApplicationFiled: August 5, 2004Publication date: February 24, 2005Inventors: Masahiro Umehara, Hiroyuki Yamashita, Yasumitsu Sakuma, Kazuhito Miyoshi
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Patent number: 6723785Abstract: A process for preparing an aqueous dispersion of pigment-containing polymer particles, comprising the steps of (A) removing an organic solvent from a mixture (I) comprising an organic solvent solution of a polymer, water and optionally a neutralizing agent to give a solvent-removed product; and (B) subjecting the solvent-removed product obtained in step (A) to a dispersion treatment, wherein a pigment is added to the mixture (I) or the solvent-removed product. The aqueous dispersion of pigment-containing polymer particles can be suitably used for a water-based ink for inkjet printing.Type: GrantFiled: July 16, 2001Date of Patent: April 20, 2004Assignee: Kao CorporationInventors: Yoshinori Hama, Kenji Kano, Norio Ueyama, Masahiro Umehara
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Publication number: 20020023572Abstract: A process for preparing an aqueous dispersion of pigment-containing polymer particles, comprising the steps of (A) removing an organic solvent from a mixture (I) comprising an organic solvent solution of a polymer, water and optionally a neutralizing agent to give a solvent-removed product; and (B) subjecting the solvent-removed product obtained in step (A) to a dispersion treatment, wherein a pigment is added to the mixture (I) or the solvent-removed product. The aqueous dispersion of pigment-containing polymer particles can be suitably used for a water-based ink for inkjet printing.Type: ApplicationFiled: July 16, 2001Publication date: February 28, 2002Applicant: Kao CorporationInventors: Yoshinori Hama, Kenji Kano, Norio Ueyama, Masahiro Umehara
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Patent number: 6146805Abstract: The present invention aims at satisfactorily printing such as labels by electrophotographic process onto a surface to be printed of an object such as synthetic resin plates such as optical disks. When printing the surface to be printed of the object by transference of charged toner on a transfer medium onto the surface to be printed, an electric charge is supplied to the surface to be printed, by contacting an electrode connected to a power supply device with the surface to be printed, in the vicinity of a transfer position where the toner on the transfer medium is transferred onto the surface to be printed. The surface electric resistance of the surface to be printed of the object is adjusted to be equal to or less than 1.times.10.sup.14 .OMEGA., in advance of the transfer of the toner.Type: GrantFiled: September 11, 1998Date of Patent: November 14, 2000Assignee: Kao CorporationInventors: Yoshiki Yoshimura, Ikuo Takahashi, Takashi Sakurai, Yutaka Kanamaru, Shinji Moriyama, Takeshi Atsugi, Masahiro Umehara