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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Patent number: 9016869Abstract: An optical device includes: a light modulation unit configured to modulate a light according to image information, including an element substrate having a pixel electrode and a switching element connected with the pixel electrode, and an opposed substrate disposed opposed to the element substrate; a frame configured to hold the light modulation unit; and an incident side dustproof glass disposed in close contact with a light incident side end surface of the opposed substrate, the incident side dustproof glass having the plane size larger than the plane size of the opposed substrate is disposed on the light incident side of the frame.Type: GrantFiled: June 24, 2010Date of Patent: April 28, 2015Assignee: Seiko Epson CorporationInventors: Akira Egawa, Kaname Nagatani, Kunihiko Takagi, Tetsuo Shimizu
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Publication number: 20140340652Abstract: A light source device includes a first light emitting element disposed in a first region on a substrate, and a second light emitting element disposed in a second region on the substrate, a temperature dependency of light emission characteristics of the first light emitting element is stronger than a temperature dependency of light emission characteristics of the second light emitting element, and a heat radiation performance in the first region is higher than a heat radiation performance in the second region.Type: ApplicationFiled: May 2, 2014Publication date: November 20, 2014Applicant: SEIKO EPSON CORPORATIONInventor: Tetsuo SHIMIZU
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Publication number: 20140216386Abstract: 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: ApplicationFiled: October 26, 2012Publication date: August 7, 2014Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Fumihiro Shinkai, Atsushi Ito, Futaba Kanehira, Tetsuo Shimizu
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Patent number: 8789556Abstract: The flow rate control device is provided with: a fluid resistor provided on the flow channel; a pressure sensor provided in any one of an upstream side or a downstream side of the fluid resistor; a pressure calculating part configured to calculate a pressure in a side with respect to the fluid resistor where the pressure sensor is not provided; a flow rate calculating part configured to calculate a flow rate based on the measurement pressure value and a calculation pressure value calculated by the pressure calculating part; and an abnormality diagnosing part configured to diagnose an abnormality of the measurement flow rate value based on the measurement flow rate value and a calculation flow rate value.Type: GrantFiled: October 12, 2012Date of Patent: July 29, 2014Assignee: Horiba STEC, Co., Ltd.Inventors: Tadahiro Yasuda, Shigeyuki Hayashi, Akito Takahashi, Tetsuo Shimizu
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Patent number: 8754140Abstract: A material for solid polyelectrolytes which comprises a polymer comprising two or more fluoropolymer segments differing in monomer composition, wherein at least one of the fluoropolymer segments has sulfonic acid type functional groups.Type: GrantFiled: November 17, 2008Date of Patent: June 17, 2014Assignee: Daikin Industries, Ltd.Inventors: Takayuki Araki, Noritoshi Oka, Yoshito Tanaka, Takayuki Nakamura, Tetsuo Shimizu
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Patent number: 8696832Abstract: A high-strength hot-rolled steel sheet has a tensile strength (TS) of 540 to 780 MPa, only small variations in strength, and excellent uniformity in strength using a general-purpose Ti-containing steel sheet, which is inexpensive. The high-strength hot-rolled steel sheet includes, on a mass percent basis, 0.05%-0.12% C, 0.5% or less Si, 0.8%-1.8% Mn, 0.030% or less P, 0.01% or less S, 0.005%-0.1% Al, 0.01% or less N, 0.030%-0.080% Ti, and the balance being Fe and incidental impurities. The microstructure have a bainitic ferrite fraction of 70% or more, and the amount of Ti present in a precipitate having a size of less than 20 nm is 50% or more of the value of Ti* calculated using formula (1): Ti*=[Ti]?48/14×[N] (1) where [Ti] and [N] represent a Ti content (percent by mass) and a N content (percent by mass), respectively, of the steel sheet.Type: GrantFiled: February 4, 2009Date of Patent: April 15, 2014Assignee: JFE Steel CorporationInventors: Shinjiro Kaneko, Kaneharu Okuda, Tetsuo Shimizu, Noriaki Moriyasu, Masahide Watabe
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Patent number: 8653912Abstract: There is provided a switching element which facilitates integration with higher density and lamination in a device, the switching element including: an insulating substrate; a first electrode provided on the insulating substrate; a second electrode provided above the first electrode; and a between-electrode gap section provided between the first electrode and the second electrode and including a nanometer-scale gap for causing a switching phenomenon of a resistor by applying a prescribed voltage between the first electrode and the second electrode.Type: GrantFiled: June 13, 2008Date of Patent: February 18, 2014Assignees: Funai Electric Advanced Applied Technology Research Institute Inc., National Institute of Advanced Industrial Science and Technology, Funai Electric Co., Ltd.Inventors: Shigeo Furuta, Tsuyoshi Takahashi, Masatoshi Ono, Yasuhisa Naitoh, Tetsuo Shimizu
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Patent number: 8604458Abstract: The present invention is contemplated for providing a resistance switching device having a very small device size of approximately 20 nm×20 nm in its entirety, by taking advantage of a small diameter of a multilayered carbon nanotube or a multilayered carbon nanofiber per se, via a simpler manner that does not require any molecule inclusion step, with an excellent electric conductivity. Provided is a two-terminal resistance switching device, which has multilayered carbon nanofibers or multilayered carbon nanotubes disposed with a nano-scale gap width therebetween.Type: GrantFiled: July 23, 2008Date of Patent: December 10, 2013Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Hiroshi Suga, Yasuhisa Naitou, Masayo Horikawa, Tetsuo Shimizu
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Patent number: 8562893Abstract: A molding method for forming an impeller, includes a mold clamping process having a first mold for forming one side of blades, a second mold firmly clamped with the first mold, and a core arranged at the first mold relative to the blades, the mold clamping process clamping the first mold to the second mold in a state where the core is arranged between the first mold and the second mold, an injecting process injecting resin in a cavity obtained by the mold clamping process, and a mold removing process including the steps of releasing at least the first mold from the clamped state obtained by the mold clamping process to generate an opened portion in the first mold after the resin is hardened, rotating the core about a rotational axis toward the opened portion of the first mold, and separating the core from the resin-molded impeller.Type: GrantFiled: October 28, 2011Date of Patent: October 22, 2013Assignee: Aisin Seiki Kabushiki KaishaInventors: Masami Natsume, Tetsuo Shimizu, Tomoo Sagawa
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Publication number: 20130170285Abstract: 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: ApplicationFiled: August 25, 2011Publication date: July 4, 2013Applicants: National Institute of Advance Industrial Science and Technology, Funai Electric Co., Ltd., Funai Electric Advanced Applied Technology Research Institute Inc.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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Publication number: 20130155757Abstract: 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: ApplicationFiled: August 25, 2011Publication date: June 20, 2013Applicants: National Institute of Advanced Industrial Science and Technology, Funai Electric Co., Ltd., Funai Electric Advanced Applied Technology Research Institute Inc.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: 8395306Abstract: A light source unit includes: an arc tube having a light-emitting portion; a secondary reflector covering part of the periphery of the light-emitting portion and being provided with a secondary reflecting surface for reflecting light emitted from the light-emitting portion; a primary reflector having a primary reflecting surface for reflecting the light emitted from the light-emitting portion and the light reflected from the secondary reflector; a first electrode; and a second electrode; wherein the second electrode is arranged at a position which causes an ionic wind to be induced by applying a voltage between the second electrode and the first electrode and causes air between the secondary reflecting surface and the light-emitting portion to flow, and either one of the first electrode or the second electrode is arranged between the arc tube and the secondary reflector.Type: GrantFiled: June 17, 2010Date of Patent: March 12, 2013Assignee: Seiko Epson CorporationInventors: Kaname Nagatani, Kunihiko Takagi, Tetsuo Shimizu, Yuji Takado, Akira Egawa, Satoshi Kinoshita
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Patent number: 8395185Abstract: A switching element comprising: an insulative substrate; a first electrode and a second electrode provided on one surface of the insulative substrate; and an interelectrode gap which is provided between the first electrode and the second electrode, and which has a gap on the order of nanometers in which switching phenomenon of resistance occurs by applying predetermined voltage between the first electrode and the second electrode, wherein the one surface of the insulative substrate contains nitrogen.Type: GrantFiled: June 17, 2008Date of Patent: March 12, 2013Assignees: Funai Electric Advanced Applied Technology Research Institute Inc., National Institute of Advanced Industrial Science and Technology, Funai Electric Co., Ltd.Inventors: Shigeo Furuta, Yuichiro Masuda, Tsuyoshi Takahashi, Masatoshi Ono, Yasuhisa Naitoh, Masayo Horikawa, Tetsuo Shimizu
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Publication number: 20120322941Abstract: 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: ApplicationFiled: August 30, 2012Publication date: December 20, 2012Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Nobuhiko TSUDA, Yoshinori NANBA, Yasuhiko SAWADA, Tetsuo SHIMIZU
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Patent number: 8308303Abstract: A projector includes: spatial light modulation devices; and a cooling duct configured to flow a cooling air for sequentially cooling the spatial light modulation devices, the cooling duct has a first flow path formed by portions including the light entrance surface of at least one of the spatial light modulation devices for the respective color lights, a second flow path formed by portions including the light exit surface of the corresponding spatial light modulation device, and a junction area where the cooling air flowing through the first flow path and the cooling air flowing through the second flow path join each other, and the junction area is disposed at a downstream position of the cooling air with respect to the spatial light modulation device provided for a predetermined color light whose light amount is the maximum in the respective color lights that enter the light entrance surface.Type: GrantFiled: July 28, 2010Date of Patent: November 13, 2012Assignee: Seiko Epson CorporationInventors: Kunihiko Takagi, Kaname Nagatani, Akira Egawa, Tetsuo Shimizu, Joji Karasawa, Fumihide Sasaki
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Patent number: 8219329Abstract: A thermal mass flow meter and a thermal mass flow control device addresses a thermal siphon error, even if they are in a compact and inexpensive structure, without using a flow path converting block. A control computing process portion is configured to correct a measurement error caused by thermal siphon by calculating a correction value based on a measurement value at time of depressurizing fluid flow path and flow rate measuring conduit to an atmospheric pressure or less, a difference between the measurement value and a measurement value at time of charging an actual fluid into the flow rate measuring conduit, kind of the actual fluid, pressure at time of charging the actual fluid, and flow ratio of the fluid flowing in the fluid flow path and the flow rate measuring conduit, storing the correction value, and correcting an actual measured output flow value by the stored correction value.Type: GrantFiled: May 23, 2007Date of Patent: July 10, 2012Assignee: HORIBA STEC, Co., Ltd.Inventors: Hiroyuki Ebi, Tetsuo Shimizu, Hitoshi Kitagawa, Shuji Moriya, Tsuneyuki Okabe
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Publication number: 20120104654Abstract: A molding method for forming an impeller, includes a mold clamping process having a first mold for forming one side of blades, a second mold firmly clamped with the first mold, and a core arranged at the first mold relative to the blades, the mold clamping process clamping the first mold to the second mold in a state where the core is arranged between the first mold and the second mold, an injecting process injecting resin in a cavity obtained by the mold clamping process, and a mold removing process including the steps of releasing at least the first mold from the clamped state obtained by the mold clamping process to generate an opened portion in the first mold after the resin is hardened, rotating the core about a rotational axis toward the opened portion of the first mold, and separating the core from the resin-molded impeller.Type: ApplicationFiled: October 28, 2011Publication date: May 3, 2012Applicant: AISIN SEIKI KABUSHKI KAISHAInventors: Masami NATSUME, Tetsuo Shimizu, Tomoo Sagawa
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Patent number: 8137800Abstract: A porous hollow fiber membrane which has high blocking performance and high water permeability suitable for filtration and the like and exhibits excellent strength, and a process for stably producing the porous hollow fiber membrane are disclosed. The process utilizes a hollow fiber molding nozzle having two or more circular discharge ports which are disposed concentrically. Multilayer melt-extrusion is performed by discharging molten mixtures which include a thermoplastic resin and an organic liquid and differ in composition from the adjacent discharge ports. The resulting product is cooled to solidify to obtain a hollow fiber. The organic liquid is then removed from the hollow fiber by extraction to produce a porous hollow fiber membrane. The molten mixture discharged from at least one circular discharge port includes an inorganic fine powder in addition to the thermoplastic resin and the organic liquid. The inorganic fine powder is removed by extraction after cooling in addition to the organic liquid.Type: GrantFiled: October 11, 2006Date of Patent: March 20, 2012Assignee: Asahi Kasei Chemicals CorporationInventors: Hirokazu Fujimura, Noboru Kubota, Masatoshi Hashino, Tetsuo Shimizu
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Patent number: 8128239Abstract: A light source device includes a light emitting tube having a light emitting section that emits light, a first sealing section on one side of the light emitting section formed integrally with the light emitting section, and a second sealing section on the other side of the light emitting section formed integrally with the light emitting section. A secondary reflecting mirror having a secondary reflecting surface covers part of a periphery of the light emitting section and reflects light emitted from the light emitting section. A primary reflecting mirror having a primary reflecting surface reflects the light emitted from the light emitting section and the light reflected by the secondary reflecting mirror. The secondary reflecting mirror has a first reference plane defined by a first boundary line as a boundary between the light emitting section and the first sealing section, which does not intersect with the secondary reflecting surface.Type: GrantFiled: April 9, 2010Date of Patent: March 6, 2012Assignee: Seiko Epson CorporationInventors: Tetsuo Shimizu, Kaname Nagatani, Kunihiko Takagi, Akira Egawa, Yuji Takado, Satoshi Kinoshita
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Patent number: 8093518Abstract: A switching element 100 includes an insulating substrate 10, a first electrode 20 provided on the insulating substrate 10, a second electrode 30 provided on the insulating substrate 10, and an interelectrode gap 40 provided between the first electrode 20 and the second electrode 30, a distance G between the first electrode 20 and the second electrode 30 being 0 nm<G?50 nm.Type: GrantFiled: September 25, 2006Date of Patent: January 10, 2012Assignees: National Institute of Advanced Industrial Science and Technology, Funai Electric Advanced Applied Technology Research Institute, Inc.Inventors: Yasuhisa Naitoh, Masayo Horikawa, Hidekazu Abe, Tetsuo Shimizu, Wataru Mizutani, Shigeo Furuta, Masatoshi Ono, Tsuyoshi Takahashi