Patents by Inventor Tetsuo Shimizu
Tetsuo Shimizu 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: 20180090905Abstract: A wavelength conversion element includes a substrate; a wavelength conversion portion that converts incident light of a first wavelength into light of a second wavelength different from the light of the first wavelength; and a bonding material that bonds the substrate and the wavelength conversion portion. The wavelength conversion portion includes a first surface on which the light of the first wavelength is incident, and a second surface that is positioned on a side opposite to the first surface. The bonding material bonds the substrate and the second surface of the wavelength conversion portion, and forms a bonding region inside the second surface. The wavelength conversion portion is configured such that an irradiation region irradiated with the light of the first wavelength is set on the first surface inside the bonding region.Type: ApplicationFiled: September 20, 2017Publication date: March 29, 2018Applicant: SEIKO EPSON CORPORATIONInventor: Tetsuo SHIMIZU
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Publication number: 20180052386Abstract: A wavelength conversion element includes a base material and a phosphor layer that contains a phosphor emitting fluorescence upon incidence of excitation light and is provided on the base material, in which the phosphor layer includes a first surface on which excitation light (blue light) is incident and a second surface facing the base material, and a plurality of regions with different absorption coefficients of the excitation light between the first surface and the second surface.Type: ApplicationFiled: August 3, 2017Publication date: February 22, 2018Applicant: SEIKO EPSON CORPORATIONInventors: Toshiaki HASHIZUME, Kunihiko TAKAGI, Tetsuo SHIMIZU, Osamu ARAKAWA
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Patent number: 9874741Abstract: A wavelength conversion element includes a substrate, a reflecting section disposed on one surface side of the substrate, a wavelength conversion layer disposed on an opposite side of the reflecting section to the substrate, and emitting fluorescence in response to irradiation with excitation light, and a reflecting surface disposed between a surface of the wavelength conversion layer on an opposite side to the reflecting section and the reflecting section, and adapted to totally reflect light having been input at an angle no smaller than a critical angle out of the fluorescence.Type: GrantFiled: September 15, 2015Date of Patent: January 23, 2018Assignee: SEIKO EPSON CORPORATIONInventors: Akira Egawa, Shigeo Nojima, Tetsuo Shimizu
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Patent number: 9869926Abstract: A wavelength conversion element includes: a wavelength conversion layer; a light-transmissive member provided on a light-incident surface side of the wavelength conversion layer and including a support surface including an inclined portion inclined with respect to the light-incident surface; and a first reflection portion provided along the support surface and reflecting fluorescence light. The first reflection portion includes a dichroic film that transmits excitation light. The excitation light passes through the dichroic film and the light-incident surface in this order to enter the wavelength conversion layer. Defining a plane including the light-incident surface as a reference surface, a distance between the reference surface and the first reflection portion in a periphery region of the first reflection portion is smaller than a distance between the reference surface and the first reflection portion in a central region of the first reflection portion.Type: GrantFiled: January 30, 2017Date of Patent: January 16, 2018Assignee: SEIKO EPSON CORPORATIONInventors: Kunihiko Takagi, Tetsuo Shimizu
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Publication number: 20170371234Abstract: A wavelength conversion device includes a wavelength conversion element configured to convert at least a part of incident excitation light into converted light having a wavelength different from a wavelength of the excitation light and emit the converted light and a substrate connected to the wavelength conversion element in a crossing direction crossing an incident direction of the excitation light on the wavelength conversion element and configured to radiate heat transferred from the wavelength conversion element. A dimension of the substrate along the incident direction is larger than a dimension of the wavelength conversion element along the incident direction.Type: ApplicationFiled: June 9, 2017Publication date: December 28, 2017Applicant: SEIKO EPSON CORPORATIONInventor: Tetsuo SHIMIZU
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Publication number: 20170227836Abstract: A wavelength conversion element includes: a wavelength conversion layer; a light-transmissive member provided on a light-incident surface side of the wavelength conversion layer and including a support surface including an inclined portion inclined with respect to the light-incident surface; and a first reflection portion provided along the support surface and reflecting fluorescence light. The first reflection portion includes a dichroic film that transmits excitation light. The excitation light passes through the dichroic film and the light-incident surface in this order to enter the wavelength conversion layer. Defining a plane including the light-incident surface as a reference surface, a distance between the reference surface and the first reflection portion in a periphery region of the first reflection portion is smaller than a distance between the reference surface and the first reflection portion in a central region of the first reflection portion.Type: ApplicationFiled: January 30, 2017Publication date: August 10, 2017Applicant: SEIKO EPSON CORPORATIONInventors: Kunihiko TAKAGI, Tetsuo SHIMIZU
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Patent number: 9725582Abstract: The present invention aims to provide a fluororesin composition for a molded product that is excellent in tensile strength and flex resistance. The present invention relates to a fluororesin composition that contains a fluororesin and a fluorinated nanodiamond. The amount of the fluorinated nanodiamond is 0.001 to 5% by mass based on the fluororesin.Type: GrantFiled: August 9, 2013Date of Patent: August 8, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Toshiyuki Fukushima, Takeshi Shimono, Tomohiro Isogai, Takahisa Aoyama, Fumihiko Yamaguchi, Tetsuo Shimizu
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Patent number: 9703183Abstract: A light source device includes a phosphor layer having a side surface, a bottom surface, and a top surface opposed to the bottom surface, a reflecting member opposed to the side surface of the phosphor layer, a substrate disposed on the bottom surface side of the phosphor layer, and an adhesive adapted to bond the phosphor layer and the substrate to each other. A surface of the substrate located on the phosphor layer side includes a recessed section overlapping the reflecting member on at least an outer side of the phosphor layer in a planar view. A part of the adhesive running off the phosphor layer is received by the recessed section. Fluorescence generated in the phosphor layer is emitted from the top surface and the side surface.Type: GrantFiled: May 27, 2015Date of Patent: July 11, 2017Assignee: SEIKO EPSON CORPORATIONInventors: Tetsuo Shimizu, Kiyoshi Kuroi
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Patent number: 9617957Abstract: Provided are a resin molding mold enabling an intake manifold made of a resin to be manufactured at low cost, an intake manifold, and a method for molding a resin for an intake manifold. The resin molding mold for an intake manifold includes a slide mold provided at an end of a surge tank and a plurality of combination-type core molds molding an inner surface of the surge tank. The core molds include a first core member capable of a relative movement in advance of another core member after resin molding, and a second core member capable of moving with utilizing an inner space formed by the relative movement of the first core member. The first core member and the second core member are configured to be extractable through a space inwardly of a resin-molded flange.Type: GrantFiled: October 26, 2012Date of Patent: April 11, 2017Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Fumihiro Shinkai, Atsushi Ito, Futaba Kanehira, Tetsuo Shimizu
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Publication number: 20170022300Abstract: The present invention includes a first raw material feeding unit, a second raw material feeding unit, a reactor unit, and a controller configured to control the amount of a first raw material being fed from the first raw material feeding unit to the reactor unit, the amount of a second raw material being fed from the second raw material feeding unit to the reactor unit, the temperature of the first raw material being fed from the first raw material feeding unit to the reactor unit, and the temperature of the second raw material being fed from the second raw material feeding unit to the reactor unit. The first raw material is raw material monomer solution containing a raw material monomer. The second raw material is polymerization initiator solution containing a polymerization initiator. A reaction product is polymer compound resulting from a living anionic polymerization reaction of the raw material monomer.Type: ApplicationFiled: December 19, 2014Publication date: January 26, 2017Applicant: HORIBA STEC, CO., LTD.Inventors: Kazuhiro HIRAHARA, Takanobu TAKEDA, Tetsuo SHIMIZU
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Publication number: 20160211648Abstract: A light source device includes a laser element, a temperature sensor adapted to measure the temperature of the laser element, and a control device adapted to control a value of a current supplied to the laser element based on the measurement value obtained by the temperature sensor. Assuming that a maximum value of an output of a laser beam which the laser element can emit without being damaged is a maximum output, the control device controls the current value in accordance with the measurement value so that the output of the laser element does not exceed the maximum output.Type: ApplicationFiled: January 7, 2016Publication date: July 21, 2016Applicant: SEIKO EPSON CORPORATIONInventor: Tetsuo SHIMIZU
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Publication number: 20160091712Abstract: A wavelength conversion element includes a substrate, a reflecting section disposed on one surface side of the substrate, a wavelength conversion layer disposed on an opposite side of the reflecting section to the substrate, and emitting fluorescence in response to irradiation with excitation light, and a reflecting surface disposed between a surface of the wavelength conversion layer on an opposite side to the reflecting section and the reflecting section, and adapted to totally reflect light having been input at an angle no smaller than a critical angle out of the fluorescence.Type: ApplicationFiled: September 15, 2015Publication date: March 31, 2016Inventors: Akira EGAWA, Shigeo NOJIMA, Tetsuo SHIMIZU
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Patent number: 9250502Abstract: A projector includes: a spatial light modulator provided for each color light flux and configured to modulate the light flux in accordance with an image signal; a light combining system configured to combine the color light flux outputted from the spatial light modulator; a projection system configured to project the light combined by the light combining system; a fixing member configured to integrally fix the spatial light modulator, the light combining system, and the projection system; a base on which the spatial light modulators and the light combining system fixed to the fixing member are mounted; and a cover member configured to cover the spatial light modulator and the light combining system mounted on the base, wherein the base and the cover member form a cooling duct through which cooling air for sequentially cooling the spatial light modulator for the respective color light flux flows.Type: GrantFiled: August 6, 2010Date of Patent: February 2, 2016Assignee: Seiko Epson CorporationInventors: Akira Egawa, Kaname Nagatani, Kunihiko Takagi, Tetsuo Shimizu
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Patent number: 9236569Abstract: A storage element includes a first electrode and a second electrode separated by a gap and a dielectric layer provided between the first electrode and the second electrode to fill the gap. A separation distance of the gap changes in response to application of a voltage to a space between the first electrode and the second electrode, such that a switching phenomenon is produced which switches a resistance state between the first electrode and the second electrode between a high resistance state in which it is difficult for tunnel current to flow and a low resistance state in which it is easy for tunnel current to flow.Type: GrantFiled: October 28, 2014Date of Patent: January 12, 2016Assignee: Funai Electric Co., Ltd.Inventors: Shigeo Furuta, Yuichiro Masuda, Tsuyoshi Takahashi, Masatoshi Ono, Yutaka Hayashi, Taro Itaya, Yasuhisa Naitoh, Tetsuo Shimizu
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Publication number: 20150346594Abstract: A light source device includes a phosphor layer having a side surface, a bottom surface, and a top surface opposed to the bottom surface, a reflecting member opposed to the side surface of the phosphor layer, a substrate disposed on the bottom surface side of the phosphor layer, and an adhesive adapted to bond the phosphor layer and the substrate to each other. A surface of the substrate located on the phosphor layer side includes a recessed section overlapping the reflecting member on at least an outer side of the phosphor layer in a planar view. A part of the adhesive running off the phosphor layer is received by the recessed section. Fluorescence generated in the phosphor layer is emitted from the top surface and the side surface.Type: ApplicationFiled: May 27, 2015Publication date: December 3, 2015Inventors: Tetsuo SHIMIZU, Kiyoshi KUROI
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Patent number: 9190145Abstract: In a drive method for a memory element that includes an insulating substrate, a first electrode and a second electrode provided on the insulating substrate, and an inter-electrode gap portion provided between the first electrode and the second electrode and having a gap of the order of nanometers where a phenomenon of a change in resistance value between the first and second electrodes occurs, and that can perform a transition from a predetermined low-resistance state to a predetermined high-resistance state and a transition from the high-resistance state to the low-resistance state, a current pulse is applied to the memory element by a constant current circuit upon the transition from the high-resistance state to the low-resistance state.Type: GrantFiled: August 25, 2011Date of Patent: November 17, 2015Assignees: National Institute of Advanced Industrial Science and Technology, Funai Electric Co., Ltd.Inventors: Tsuyoshi Takahashi, Yuichiro Masuda, Shigeo Furuta, Touru Sumiya, Masatoshi Ono, Yutaka Hayashi, Toshimi Fukuoka, Tetsuo Shimizu, Kumaragurubaran Somu, Hiroshi Suga, Yasuhisa Naitou
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Patent number: 9135990Abstract: A memory element includes an insulating substrate; a first electrode and a second electrode on the insulating substrate; and an inter-electrode gap portion that causes a change in resistance value between the first and second electrodes. Applied to the memory element from a pulse generating source is a first voltage pulse for shifting from a predetermined low-resistance state to a predetermined high-resistance state, and a second voltage pulse for shifting from the high-resistance state to the low-resistance state through a series-connected resistor, by which current flowing to the memory element after the change to a low resistance value is reduced. When shifting from the high to the low-resistance state, a voltage pulse is applied such that an electrical resistance between the pulse generating source and the memory element becomes higher than the electrical resistance shifting from the low to the high-resistance state.Type: GrantFiled: August 25, 2011Date of Patent: September 15, 2015Assignees: National Institute of Advanced Industrial Science and Technology, Funai Electric Co., Ltd.Inventors: Tsuyoshi Takahashi, Yuichiro Masuda, Shigeo Furuta, Touru Sumiya, Masatoshi Ono, Yutaka Hayashi, Toshimi Fukuoka, Tetsuo Shimizu, Kumaragurubaran Somu, Hiroshi Suga, Yasuhisa Naitou
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Patent number: 9127114Abstract: There is provided a curable fluorine-containing polymer composition which is quickly cured at relatively low temperatures by hydrosilylation reaction and provides a coating film which has high hardness, excellent solvent resistance and flexibility. The curable fluorine-containing polymer composition comprises a fluorine-containing polymer comprising a fluorinated ethylenic monomer unit and a non-fluorinated ethylenic monomer unit, in which a part or the whole of the non-fluorinated ethylenic monomer units is a unit represented by the formula: wherein R1 is hydrogen or methyl; R2 is a hydrocarbon group having ethylenic C?C; X is —C(O)NH— or —C(O)—; R3 is —O—, —O[CH(R4)]mO—, —(CH2)mO—, —OC(O)—(CH2)mO— or —(CH2)mOC(O)—(CH2)nO—, where R4 is —H, —OH, —CH2OH or —O—X—R2, a siloxane compound having hydrogen atom bonded to silicon atom, and a catalyst for hydrosilylation reaction.Type: GrantFiled: October 12, 2007Date of Patent: September 8, 2015Assignees: DAIKIN INDUSTRIES, LTD., DOW CORNING CORPORATIONInventors: Katsuhiko Imoto, Tetsuo Shimizu, Tatsuya Morikawa, Masayuki Hayashi, Tomohiro Iimura, Peter Cheshire Hupfield
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Patent number: 9096701Abstract: The present invention provides a tetrafluoroethylene polymer aqueous dispersion obtained by carrying out a TFE polymerization in an aqueous medium in the presence of a fluorovinyl group-containing emulsifier, wherein the TFE polymer aqueous dispersion contains a particle comprising a TFE polymer dispersed in the aqueous medium, the fluorovinyl group-containing emulsifier comprises a fluorovinyl group-containing compound, and the TFE polymer aqueous dispersion has a fluorine-containing surfactant content of not higher than 1000 ppm by mass.Type: GrantFiled: August 30, 2012Date of Patent: August 4, 2015Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Nobuhiko Tsuda, Yoshinori Nanba, Yasuhiko Sawada, Tetsuo Shimizu
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Publication number: 20150166772Abstract: The present invention aims to provide a fluororesin composition for a molded product that is excellent in tensile strength and flex resistance. The present invention relates to a fluororesin composition that contains a fluororesin and a fluorinated nanodiamond. The amount of the fluorinated nanodiamond is 0.001 to 5% by mass based on the fluororesin.Type: ApplicationFiled: August 9, 2013Publication date: June 18, 2015Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Toshiyuki Fukushima, Takeshi Shimono, Tomohiro Isogai, Takahisa Aoyama, Fumihiko Yamaguchi, Tetsuo Shimizu