Patents by Inventor Keiji Umeda
Keiji Umeda 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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Publication number: 20240120780Abstract: A rotary electric machine includes a rotor core and a stator core. The rotor core includes a steel plate laminated in an axial direction of a rotation shaft of a rotor. The stator core is provided outside an outer periphery of the rotor core and includes a steel plate laminated in the axial direction. An average plate thickness of the steel plate of the stator core is smaller than an average plate thickness of the steel plate of the rotor core. In the steel plate of the stator core, a plate thickness of a portion between a predetermined position and a radially outer edge in a radial direction around the rotation axis is smaller than a plate thickness of a portion between the predetermined position and a radially inner edge in the radial direction.Type: ApplicationFiled: October 9, 2023Publication date: April 11, 2024Inventors: Keiji KONDO, Toshihiro TAKEI, Atsushi UMEDA, Hirotaka KUROZAKI
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Patent number: 8257771Abstract: A method for heating and pasteurizing a material, comprising placing the material inside of a semi-sealed chamber at atmospheric pressure that contains an atmosphere produced by replacing air in the chamber with a gas component produced by spraying or injecting hot water droplets and steam at a temperature of at least 100° C. into the chamber which is heated to a temperature of at least 100° C. which is equal to or higher than the temperature of the sprayed hot water droplets and steam, which gas component has a humidity of at least 95% and contains no more than 1% oxygen; contacting said material to the gas component for exposing it to continual temperature variation during heating ranging from 10-50° C. inside the chamber at temperature(s) ranging from 90-180° C. for a time sufficient to heat or pasteurize it. An apparatus for performing this method.Type: GrantFiled: July 19, 2005Date of Patent: September 4, 2012Assignees: Umeda Jimusho Ltd., National Agriculture and Food Research Organization, Taiyo Seisakusho Co., Ltd.Inventors: Keiji Umeda, Yositaka Nadachi, Hiromu Shishido, Ryo Maruyama, Yukio Ogasawara, Takumi Yamamoto, Seiichiro Isobe
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Patent number: 8044177Abstract: The present invention provides a novel water-soluble keratin derivative and applications thereof. Water-soluble keratin produced by the alkali treatment of feathers, and modified keratin, gives the following useful materials: (1) a high energy wave absorber, (2) a luminescent substrate, (3) a material weatherproofness improver, (4) a water repellant, and (5) a foaming agent.Type: GrantFiled: September 15, 2009Date of Patent: October 25, 2011Assignees: Umeda Jimusho Ltd., Institute of Rheological Function of Food Co., Ltd., Asai Germanium Research Institute Co., Ltd.Inventors: Keiji Umeda, Yositaka Nadachi, Katsunobu Sakai, Yukitaka Nogami, Masahiko Sudo
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Publication number: 20100069612Abstract: The present invention provides a novel water-soluble keratin derivative and applications thereof. Water-soluble keratin produced by the alkali treatment of feathers, and modified keratin, gives the following useful materials: (1) a high energy wave absorber, (2) a luminescent substrate, (3) a material weatherproofness improver, (4) a water repellant, and (5) a foaming agent.Type: ApplicationFiled: September 15, 2009Publication date: March 18, 2010Applicants: UMEDA JIMUSHO LTD., INSTITUTE OF RHEOLOGICAL FUNCTION OF FOOD CO., LTD., ASAI GERMANIUM RESEARCH INSTITUTE CO., LTD.Inventors: Keiji UMEDA, Yositaka NADACHI, Katsunobu SAKAI, Yukitaka NOGAMI, Masahiko SUDO
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Publication number: 20080020114Abstract: The present invention provides a method of heating and pasteurizing in use of gaseous water and an apparatus therefor, and the present invention relates to a method of heating and pasteurizing a material to be treated, comprising the steps of: continuously injecting hot water heated to at least 100° C. and/or steam into a heating chamber comprising a semi-sealed space and heated to at least the same temperature as the hot water and/or steam, to form water microdroplets and moist hot steam; replacing the air within the heating chamber with the water microdroplets and moist hot steam to effect filling with a gas component that has a composition of at least 95% humidity and an oxygen concentration not greater than 1% and that is maintained in the temperature range of 90 to 180° C.; and carrying out a heating and pasteurizing treatment by effecting, with the water microdroplets and the moist hot steam, continuous amplitude heating at a temperature difference of at least 10° C.Type: ApplicationFiled: July 19, 2005Publication date: January 24, 2008Applicants: Umeda Jimusho Ltd., Nat. Agriculture and Food Research Organization, Taiyo Seisakusho Co., Ltd.Inventors: Keiji Umeda, Yositaka Nadachi, Hiromu Shishido, Ryo Maruyama, Yukio Ogasawara, Takumi Yamamoto, Seiichiro Isobe
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Publication number: 20070128134Abstract: The present invention provides a novel water-soluble keratin derivative and applications thereof. Water-soluble keratin produced by the alkali treatment of feathers, and modified keratin, gives the following useful materials: (1) a high energy wave absorber, (2) a luminescent substrate, (3) a material weatherproofness improver, (4) a water repellant, and (5) a foaming agent.Type: ApplicationFiled: February 1, 2007Publication date: June 7, 2007Applicants: UMEDA JIMUSHO LTD., INSTITUTE OF RHEOLOGICAL FUNCTION OF FOOD CO., LTD, ASAI GERMANIUM RESEARCH INSTITUTE CO., LTD.Inventors: Keiji UMEDA, Yositaka Nadachi, Katsunobu Sakai, Yukitaka Nogami, Masahiko Sudo
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Publication number: 20050232875Abstract: The present invention provides a novel water-soluble keratin derivative and applications thereof. Water-soluble keratin produced by the alkali treatment of feathers, and modified keratin, gives the following useful materials: (1) a high energy wave absorber, (2) a luminescent substrate, (3) a material weatherproofness improver, (4) a water repellant, and (5) a foaming agent.Type: ApplicationFiled: July 25, 2003Publication date: October 20, 2005Applicants: Umeda Jimusho Ltd., Inst.of Rheological Function of Food Co., Ltd.Inventors: Keiji Umeda, Yositaka Nadachi, Katsunobu Sakai, Yukitaka Nogami, Masahiko Sudo
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Patent number: 5877311Abstract: A process is provided which comprises isomerizing a compound having a ketose structure by the use of or in the presence of an organogermanium compound having a structural portion represented by formula (I): ##STR1## Due to the use or presence of the organogermanium compound, the process is free from the problems of the prior art, and is capable of isomerizing a compound having an aldose structure into a compound having a ketose structure at a high isomerization ratio without requiring any special apparatus or any complicated operation.Type: GrantFiled: July 3, 1997Date of Patent: March 2, 1999Assignees: National Food Research Institute, Ministry of Agriculture, Forestry & Fisheries, Asai Germanium Research Institute Co., Ltd.Inventors: Keiji Umeda, Norihiro Kakimoto, Takafumi Kasumi
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Patent number: 5744023Abstract: An electric current is passed through a mixed solution containing a saccharide(s) and an organogermanium compound, in a compartment whose anode side is defined by an anion exchange membrane and whose cathode side is defined by a cation exchange membrane, to separate and remove said organogermanium compound. In the present invention, an organogermanium compound can be very effectively separated and recovered from a mixed solution containing a saccharide(s) and said organogermanium compound. The present invention is particularly effective for separation and recovery of an organogermanium compound from a reaction mixture obtained when a compound having an aldose structure is isomerized into a compound having a ketose structure in the presence of said organogermanium compound.Type: GrantFiled: February 27, 1996Date of Patent: April 28, 1998Assignees: Asai Germanium Research Institute Co., Ltd., Asahi Glass CompanyInventors: Norihiro Kakimoto, Keiji Umeda, Takashi Ichimura
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Patent number: 5679787Abstract: A process is provided which comprises isomerizing a compound having a ketose structure by the use of or in the presence of an organogermanium compound having a structural portion represented by formula (I): ##STR1## Due to the use or presence of the organogermanium compound, the process is free from the problems of the prior art, and is capable of isomerizing a compound having an aldose structure into a compound having a ketose structure at a high isomerization ratio without requiring any special apparatus or any complicated operation.Type: GrantFiled: October 25, 1994Date of Patent: October 21, 1997Assignees: National Food Research Institute, Ministry of Agriculture, Forestry and Fisheries, Asai Ermanium Research Institute Co., Ltd.Inventors: Keiji Umeda, Norihiro Kakimoto, Takafumi Kasumi
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Patent number: 4136210Abstract: A process for producing textural protein food material from krills which is characterized by adjusting the pH of the precipitate obtained by centrifuging the uniformly smashed flesh of the krills to not less than 10, returning the pH to near neutral and then freezing the precipitate to effect texturing.Type: GrantFiled: October 26, 1977Date of Patent: January 23, 1979Assignee: Director of National Food Research InstituteInventors: Akinori Noguchi, Susumu Kimura, Keiji Umeda
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Patent number: 4025391Abstract: Bead-shaped immobilized enzymes are obtained by adding a solution containing an enzyme and at least one water-soluble monomer or polymer to a water insoluble or slightly soluble fluid to form a mixture having enzyme-containing beads therein, freezing the mixture at -200.degree. C to -5.degree. C and subjecting the resultant frozen mixture to ionizing radiation under aerobic conditions to polymerize the monomer or polymer and produce polymer beads containing enzymes immobilized therein. The polymer beads are strong enough to be packed in a column, and continuous enzyme reactions can be carried out with enzymes immobilized in the polymer beads.Type: GrantFiled: December 4, 1975Date of Patent: May 24, 1977Assignee: Director of National Food Research InstituteInventors: Koji Kawashima, Keiji Umeda
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Patent number: 3962038Abstract: Water-insoluble enzymes are prepared by mixing an enzyme with at least one water soluble monomer selected from the group consisting of acrylamide, bisacrylamide, acrylic acid, sodium acrylate, potassium acrylate and calcium acrylate, freezing the resulting mixture at a temperature below about -5.degree.C and irradiating the frozen mixture with gamma rays or x-rays under aerobic conditions to polymerize said monomer and entrap the enzyme in the resulting polymer material. The frozen irradiated polymer material can be thawed at room temperature or can be lyophilized to produce a spongelike, membrane form that maintains its structure when immersed in water. Before freezing the enzyme and monomer mixture, an organic substance can be incorporated which promotes polymerization yield and protects the enzyme from radiation inactivation.Type: GrantFiled: April 10, 1974Date of Patent: June 8, 1976Assignee: Director of National Food Research InstituteInventors: Koji Kawashima, Keiji Umeda