Patents by Inventor Kyoji Kitamura
Kyoji Kitamura 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: 11773296Abstract: A method for curing an adhesive composition includes: arranging an adhesive composition that transmits laser light of a first wavelength in contact with a surface of a first adherend that contains, at least at its surface, a first light-to-heat conversion material that generates heat by absorbing laser light of the first wavelength; and curing the adhesive composition by irradiating the adhesive composition and the first adherend with laser light of the first wavelength. In a method for manufacturing a bonded structure, a first bonded structure is manufactured by bonding the adhesive composition to the first adherend by using the method for curing an adhesive composition.Type: GrantFiled: February 16, 2018Date of Patent: October 3, 2023Assignee: OMRON CorporationInventors: Takekazu Komori, Daisuke Sato, Kyoji Kitamura, Yosuke Tatsuno, Yuki Hoga
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Publication number: 20200140720Abstract: A method for curing an adhesive composition includes: arranging an adhesive composition that transmits laser light of a first wavelength in contact with a surface of a first adherend that contains, at least at its surface, a first light-to-heat conversion material that generates heat by absorbing laser light of the first wavelength; and curing the adhesive composition by irradiating the adhesive composition and the first adherend with laser light of the first wavelength. In a method for manufacturing a bonded structure, a first bonded structure is manufactured by bonding the adhesive composition to the first adherend by using the method for curing an adhesive composition.Type: ApplicationFiled: February 16, 2018Publication date: May 7, 2020Applicant: OMRON CorporationInventors: Takekazu KOMORI, Daisuke SATO, Kyoji KITAMURA, Yosuke TATSUNO, Yuki HOGA
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Patent number: 10580598Abstract: An electrical contact switch device includes: a fixed contact; a movable contact configured to come into contact with and move away from the fixed contact; a casing configured to house the movable contact and the fixed contact inside, and the casing includes at least one micro opening whose opening area is 80 ?m2 or less on an outer surface facing an outside.Type: GrantFiled: January 11, 2017Date of Patent: March 3, 2020Assignee: OMRON CorporationInventors: Hitoshi Hayashi, Koji Takami, Kyoji Kitamura, Tomoyuki Nishida, Toyohiro Imaizumi
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Patent number: 10330721Abstract: An oil resistance test method for an electronic device is provided. At least one type of resin material is provided on at least a portion of an outer surface of the electronic device. The oil resistance test method includes: setting a test temperature; and immersing the electronic device in a water-soluble cutting oil in an atmosphere of the set test temperature. This cutting oil contains a mineral oil and a surfactant, and exhibits a milky-white appearance when diluted with water. The oil resistance test method further includes: determining, based on an electrical characteristic of the electronic device, whether or not the electronic device has been degraded by the cutting oil; and estimating, based on a total immersion time of the electronic device in the cutting oil until degradation of the electronic device is detected, a life of oil resistance of the electronic device.Type: GrantFiled: February 6, 2017Date of Patent: June 25, 2019Assignee: OMRON CORPORATIONInventors: Tsutomu Kume, Tomoyuki Maki, Kyoji Kitamura, Masaki Nakamura
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Publication number: 20180374663Abstract: An electrical contact switch device includes: a fixed contact; a movable contact configured to come into contact with and move away from the fixed contact; a casing configured to house the movable contact and the fixed contact inside, and the casing includes at least one micro opening whose opening area is 80 ?m2 or less on an outer surface facing an outside.Type: ApplicationFiled: January 11, 2017Publication date: December 27, 2018Applicant: OMRON CorporationInventors: Hitoshi HAYASHI, Koji TAKAMI, Kyoji KITAMURA, Tomoyuki NISHIDA, Toyohiro IMAIZUMI
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Publication number: 20170285093Abstract: An oil resistance test method for an electronic device is provided. At least one type of resin material is provided on at least a portion of an outer surface of the electronic device. The oil resistance test method includes: setting a test temperature; and immersing the electronic device in a water-soluble cutting oil in an atmosphere of the set test temperature. This cutting oil contains a mineral oil and a surfactant, and exhibits a milky-white appearance when diluted with water. The oil resistance test method further includes: determining, based on an electrical characteristic of the electronic device, whether or not the electronic device has been degraded by the cutting oil; and estimating, based on a total immersion time of the electronic device in the cutting oil until degradation of the electronic device is detected, a life of oil resistance of the electronic device.Type: ApplicationFiled: February 6, 2017Publication date: October 5, 2017Applicant: OMRON CorporationInventors: Tsutomu KUME, Tomoyuki MAKI, Kyoji KITAMURA, Masaki NAKAMURA
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Patent number: 9452555Abstract: A metal insert-molded article having sealing ability, a method for producing the same, and an electronic component having the metal insert-molded article, the metal insert-molded article comprising: a molding material and a metal material integrally molded together by insert molding, wherein the molding material comprises a crystalline thermoplastic resin as a main component, and comprises an inorganic filler in an amount inclusive of 0% by weight to 15% by weight, and the metal material has an aspect ratio inclusive of 1 to 10 in a cross section perpendicular to a lengthwise dimension of the metal insert-molded article, and is not surface treated for adhesion with the molding material.Type: GrantFiled: March 4, 2013Date of Patent: September 27, 2016Assignee: OMRON CORPORATIONInventors: Ryo Toyota, Kyoji Kitamura, Koji Yamamoto, Tomoyuki Nishida
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Publication number: 20150109722Abstract: A metal insert-molded article having sealing ability, a method for producing the same, and an electronic component having the metal insert-molded article, the metal insert-molded article comprising: a molding material and a metal material integrally molded together by insert molding, wherein the molding material comprises a crystalline thermoplastic resin as a main component, and comprises an inorganic filler in an amount inclusive of 0% by weight to 15% by weight, and the metal material has an aspect ratio inclusive of 1 to 10 in a cross section perpendicular to a lengthwise dimension of the metal insert-molded article, and is not surface treated for adhesion with the molding material.Type: ApplicationFiled: March 4, 2013Publication date: April 23, 2015Applicant: OMRON CORPORATIONInventors: Ryo Toyota, Kyoji Kitamura, Koji Yamamoto, Tomoyuki Nishida
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Publication number: 20140159261Abstract: The present invention provides a resin composition for producing an optical component in which resin composition respective of a (meth)acrylic equivalent and a content of a repeating unit represented by the general formula (1) are adjusted to given ranges, an optical component which is made of the resin composition, and an image display device. The resin composition of the present invention for producing an optical component is arranged such that the resin composition contains at least one kind of compound whose molecule contains the repeating unit represented by the general formula (1) and at least one (meth)acryloyl group and the (meth)acrylic equivalent and the content of the repeating unit meet the given ranges.Type: ApplicationFiled: February 11, 2014Publication date: June 12, 2014Applicant: SOKEN CHEMICAL & ENGINEERING CO., LTD.Inventors: Masaki Nakamura, Kyoji Kitamura, Yosuke Tatsuno
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Patent number: 8183313Abstract: A resin according to the present invention includes an ester bond as an essential component and comprises an amine thin membrane on a surface of the resin. This makes it possible to provide (i) a resin having an amine membrane on its surface, (ii) a production method thereof, and (iii) use thereof.Type: GrantFiled: October 12, 2007Date of Patent: May 22, 2012Assignee: OMRON CorporationInventors: Kyoji Kitamura, Seiji Nakajima, Masaki Nakamura
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Publication number: 20120103655Abstract: An oil resistant electronic device is provided for preventing a chemical solution from penetrating a surface of a material and an interface between a cable and a jacket. The oil resistant electronic device does not cause defective connection even under severe conditions. The oil resistant electronic device includes a functioning section, a cable via which an electric signal is transmitted to the functioning section, and a jacket which covers the cable. The jacket is made of a polybutylene terephthalate resin composition containing a thermoplastic elastomer by 10 to 40 parts by weight with respect to 100 parts by weight of a polybutylene terephthalate resin, and the jacket covers the cable so as to cover an entire cross-section of at least one end of the cable and an outer layer of the cable by 2.5 mm or more in a lengthwise direction from the at least one end.Type: ApplicationFiled: February 16, 2010Publication date: May 3, 2012Applicant: OMRON CORPORATIONInventors: Tomonari Imabayashi, Kyoji Kitamura, Tomoyuki Nishida, Kouji Yamamoto, Hitoshi Hayashi
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Publication number: 20110077318Abstract: The present invention provides a resin composition for producing an optical component in which resin composition respective of a (meth)acrylic equivalent and a content of a repeating unit represented by the general formula (1) are adjusted to given ranges, an optical component which is made of the resin composition, and an image display device. The resin composition of the present invention for producing an optical component is arranged such that the resin composition contains at least one kind of compound whose molecule contains the repeating unit represented by the general formula (1) and at least one (meth)acryloyl group and the (meth)acrylic equivalent and the content of the repeating unit meet the given ranges.Type: ApplicationFiled: May 15, 2009Publication date: March 31, 2011Applicant: OMRON CORPORATIONInventors: Masaki Nakamura, Kyoji Kitamura, Yosuke Tatsuno
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Publication number: 20100304153Abstract: A resin according to the present invention includes an ester bond as an essential component and comprises an amine thin membrane on a surface of the resin. This makes it possible to provide (i) a resin having an amine membrane on its surface, (ii) a production method thereof, and (iii) use thereof.Type: ApplicationFiled: October 12, 2007Publication date: December 2, 2010Applicant: OMRON CORPORATIONInventors: Kyoji Kitamura, Seiji Nakajima, Masaki Nakamura
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Publication number: 20100247921Abstract: Disclosed is a resin composition which can firmly bond a metal with a molding material, a composite material including the resin composition and use of the composite material. The resin composition of the present invention includes: an organic compound having at least one secondary thiol group per molecule; and a curable compound having at least one hydroxyl group per molecule.Type: ApplicationFiled: October 17, 2008Publication date: September 30, 2010Applicant: OMRON CORPORATIONInventors: Kyoji Kitamura, Masaki Nakamura
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Publication number: 20090148706Abstract: The present invention provides an optical waveguide having a low temperature dependence of the difference in refractive index between a core resin and a clad resin and exhibiting excellent optical properties in all the operating temperatures. An optical waveguide of the present invention includes cured resin products each containing, as constituent components, first fluorine-containing monomers each having a perfluoroadamantane structure. With this arrangement, it is possible to obtain an optical waveguide that is excellent in both optical properties and temperature dependence of difference in refractive index between a core resin and a clad resin.Type: ApplicationFiled: April 27, 2007Publication date: June 11, 2009Applicants: OMRON CORPORATION, IDEMITSU KOSAN CO., LTD.Inventors: Kyoji Kitamura, Masaki Nakamura, Yasunari Okada
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Patent number: 7419715Abstract: A light diffusing resin film is formed by curing a light-curable liquid resin composition whose indispensable components are a photo-polymerizable monomer (A), an organic compound (B) that is incompatible with the photo-polymerizable monomer (A), a cosolvent (C) that is compatible commonly with the photo-polymerizable monomer (A) and the organic compound (B) that is incompatible with the photo-polymerizable monomer (A), and a photo-polymerization initiator (D), a light diffusing film having the resin film on a film substrate, an edge lighting type backlight unit in which the light diffusing film is used, and a liquid crystal display device provided with the edge lighting type backlight unit.Type: GrantFiled: July 16, 2001Date of Patent: September 2, 2008Assignee: OMRON CorporationInventors: Yasuhiro Hegi, Masashi Doi, Kyoji Kitamura, Shinya Okada
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Patent number: 7295749Abstract: The present invention is to provide a curable resin composition that is desirably used for manufacturing an optical part, in particular, an optical waveguide, that is superior in heat-resistant properties such as a heat-resistant decomposing property and a coloring-resistant property, and has its refractive index precisely controlled. The present invention provides a curable resin composition, comprising: (A) a monomer that contains a polycyclic alicyclic hydrocarbon skeleton and two or more terminal radical polymerizable groups, (B) a monomer that contains a perfluoroalkylene skeleton and two or more terminal radical polymerizable groups, and (C) a photopolymerization initiator and/or a thermal polymerization initiator. The present also provides an optical part, in particular, an optical waveguide, formed by photo-and/or thermo-curing the above curable resin composition.Type: GrantFiled: May 24, 2004Date of Patent: November 13, 2007Assignee: OMRON CorporationInventors: Kyoji Kitamura, Mitsuo Ito
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Publication number: 20070172772Abstract: Provided is a microlens having an inorganic compound layer directly formed on the surface of a base lens material that is resistant to cracking and wrinkling of the inorganic compound layer under high-temperature and high-humidity environment and also to cracking of the base lens material by repeated temperature fluctuation, and an optical device using the microlens. A microlens, comprising a hardened product obtained by polymerization of a polymerizable composition containing a polymerizable monomer and metal oxide fine particles having an average diameter of 1 to 80 nm as essential components and an inorganic compound layer coated on the surface thereof. An optical device equipped with the microlens.Type: ApplicationFiled: April 25, 2005Publication date: July 26, 2007Applicant: OMRON CorporationInventors: Naoshi Ozawa, Kenji Funaki, Kyoji Kitamura, Masaki Nakamura, Yuji Watanabe, Tomohiro Fukuhara, Ryoichi Matsumoto
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Publication number: 20070041697Abstract: An optical component composed of a cured product of a crosslinkable resin containing a perfluorocyclohexane ring; a crosslinkable resin composition including a monomer containing a perflouorocyclohexane ring; the above optical component, which is obtained by curing, through a radical polymerization method, a crosslinkable resin composition including a polymer and/or copolymer containing a perfluorocyclohexane ring and a fluorine-containing monomer, or a crosslinkable resein composition including a fluorine-containing polymer and/or copolymer not containing a perfluorocyclohexane ring and a monomer containing a perfluorocyclohexane ring.Type: ApplicationFiled: October 28, 2004Publication date: February 22, 2007Applicant: OMRON CorporationInventors: Kyoji Kitamura, Mitsuo Ito
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Publication number: 20070025679Abstract: The present invention is to provide a curable resin composition that is desirably used for manufacturing an optical part, in particular, an optical waveguide, that is superior in heat-resistant properties such as a heat-resistant decomposing property and a coloring-resistant property, and has its refractive index precisely controlled. The present invention provides a curable resin composition, comprising: (A) a monomer that contains a polycyclic alicyclic hydrocarbon skeleton and two or more terminal radical polymerizable groups, (B) a monomer that contains a perfluoroalkylene skeleton and two or more terminal radical polymerizable groups, and (C) a photopolymerization initiator and/or a thermal polymerization initiator. The present also provides an optical part, in particular, an optical waveguide, formed by photo-and/or thermo-curing the above curable resin composition.Type: ApplicationFiled: May 24, 2004Publication date: February 1, 2007Applicant: OMRON CorporationInventors: Kyoji Kitamura, Mitsuo Ito