Patents by Inventor Hiroshi Koike
Hiroshi Koike 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: 20230151250Abstract: The present invention relates to an adhesive sheet laminate which comprises a substrate layer composed of a thermoplastic resin composition (A) containing a polypropylene-based resin as a main component, an adhesive layer composed of a thermoplastic resin composition (B) containing a specific thermoplastic resin (b) as a main component and having a melt flow rate of 0.1 to 30 g/10 min, and a release layer composed of a thermoplastic resin composition (C) containing a specific thermoplastic resin (c) as a main component and having a melt flow rate of 0.1 to 30 g/10 min, and which has a tensile elastic modulus of 2000 MPa or more.Type: ApplicationFiled: March 17, 2021Publication date: May 18, 2023Applicant: YUPO CORPORATIONInventors: Ryota TOYAMA, Hiroshi KOIKE
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Publication number: 20230062415Abstract: Provided is a device housing made of materials containing at least an electrically conductive material, an image reading device, and an electrostatic capacitance detection device that can achieve electrical connection with a relatively small space while preventing deformation of the device housing. The device housing includes a housing made of materials containing at least an electrically conductive material and including an electrically conductive surface in at least part of the surface of the housing, a ground conductor being present on a plane different from the plane including the electrically conductive surface, and a ground auxiliary conductor disposed over a level difference existing between the plane including the electrically conductive surface and the plane including the ground conductor. The ground auxiliary conductor is an electrically conductive sheet to connect the electrically conductive surface to the ground conductor electrically.Type: ApplicationFiled: February 5, 2021Publication date: March 2, 2023Applicant: Mitsubishi Electric CorporationInventors: Toru ARAMAKI, Hideki MATSUI, Hiroshi KOIKE
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Patent number: 11515810Abstract: Provided is an energy conversion film excellent in charge retention performance and suppressed in deterioration of piezoelectricity even if it is exposed to a high temperature environment and an energy conversion element and the like using the film. An energy conversion element comprising: an energy conversion film at least comprises a charged resin film consisting of a resin film at least containing a thermoplastic resin and a metal soap; and an electrode provided on at least one of the two surfaces of the energy conversion film.Type: GrantFiled: January 31, 2018Date of Patent: November 29, 2022Assignee: YUPO CORPORATIONInventors: Hiroshi Koike, Yutaro Sugamata, Seiichiro Iida
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Patent number: 11433333Abstract: The electret-treated sheet includes: a core layer (A) which is a porous film containing at least a thermoplastic resin; a surface layer (X) disposed on one side of the core layer (A); and a back surface layer (Y) disposed on the other side of the core layer (A), the surface layer (X) and the back surface layer (Y) each having a charged outermost surface, wherein the electret-treated sheet has a water vapor permeability coefficient of 0.1 to 2.5 g·mm/m2·24 hr; the core layer (A) has a pore aspect ratio of 5 to 50 and an average pore height of 2.5 to 15 ?m; the surface layer (X) and the back surface layer (Y) each have a thickness of 5 to 200 ?m; and the surface layer (X) includes a heat seal layer (B) including the outermost surface, wherein the heat seal layer (B) has a melting point of 50 to 140° C.Type: GrantFiled: March 27, 2019Date of Patent: September 6, 2022Assignee: YUPO CORPORATIONInventors: Yutaro Sugamata, Hiroshi Koike, Seiichiro Iida
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Publication number: 20220267564Abstract: To suppress a decrease over time in the adhesion of ink to a thermoplastic resin film, provided is a thermoplastic resin film containing an inorganic filler, wherein at least one surface of the thermoplastic resin film satisfies the following formula (1) and formula (2): 0.8?S1/S0?1.0??(1) 3.0?S0??(2) wherein S0 represents an oxygen atom concentration (atm %) before a washing treatment (A) is carried out, S1 represents the oxygen atom concentration (atm %) after the washing treatment (A) is carried out, the oxygen atom concentration is a ratio of the number of oxygen atoms to a sum of the number of oxygen atoms and the number of carbon atoms measured by XPS (X-ray photoelectron spectroscopy) (number of oxygen atoms/(number of oxygen atoms+number of carbon atoms)), and the washing treatment (A) is a washing treatment carried out using distilled water.Type: ApplicationFiled: July 29, 2020Publication date: August 25, 2022Applicant: YUPO CORPORATIONInventors: Ryota TOYAMA, Hiroshi KOIKE, Yutaro SUGAMATA
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Patent number: 11346709Abstract: A sensor unit capable of protecting a piezoelectric element and detecting vibration and sound is provided. The sensor unit comprises a sheet-like piezoelectric element having a porous layer, and a sound propagation sheet covering at least one face of the piezoelectric element and permitting transmission of sound from a first face toward a second face of the sound propagation sheet. A difference in acoustic pressure level between the sound incident on the sound propagation sheet and the transmitted sound is preferably no greater than 10 dB. A surface density of the sound propagation sheet is preferably from 0.03 g/m2 to 100 g/m2. The sound propagation sheet is preferably flexible and preferably has voids. The sensor unit preferably further comprises a sound insulation sheet covering another face of the piezoelectric element and substantially preventing transmission of sound from a second face toward a first face of the sound insulation sheet.Type: GrantFiled: May 29, 2020Date of Patent: May 31, 2022Assignees: YAMAHA CORPORATION, YUPO CORPORATIONInventors: Tomoya Miyata, Kunio Hiyama, Seiichiro Iida, Hiroshi Koike, Hidekazu Kodama
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Patent number: 11233917Abstract: A lighting device includes a rod-shaped light guide, a light guide holder, and an opening optically communicating with the hole. The opening is formed in a first flat surface opposite to a surface into which an end surface of the light guide is inserted. The device also includes a housing, a light source base plate, and a base plate protection layer being formed on a region of the light source base plate other than at least a region on which a light source element is formed. At least one of the light source base plate and the second flat surface of the base plate protection layer is pressed against the housing or the first flat surface at a position at which light emitted by the light source element enters the end surface of the light guide exposed from the opening.Type: GrantFiled: June 25, 2019Date of Patent: January 25, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Toru Aramaki, Hideki Matsui, Hiroshi Koike
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Patent number: 11176918Abstract: Provision of a piezoelectric element which uses a lightweight and flexible electret material and an electrode layer which is also lightweight, has high conductivity and good flexibility to easily receive electrical signals from an electret, and has good durability. Additionally, provision of a musical instrument provided with such a piezoelectric element. A piezoelectric element comprising an electrode layer (B) on at least one surface of an electret material (A) having pores inside, wherein a porosity of the electret material (A) is 20 to 80%, the electrode layer (B) contains 20 to 70 mass % of a carbon fine particle, and a thickness of the electrode layer (B) is 2 to 100 ?m.Type: GrantFiled: November 29, 2017Date of Patent: November 16, 2021Assignees: YUPO CORPORATION, YAMAHA CORPORATIONInventors: Hiroshi Koike, Yutaro Sugamata, Seiichiro Iida, Kunio Hiyama, Suguru Sasaki, Hidekazu Kodama
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Patent number: 11148393Abstract: It is intended to provide an electrostatic adsorbable laminated sheet which is less likely to cause paste residues, etc. upon peeling from an adherend, exhibits further enhanced adsorbability to an adherend, additionally exhibits enhanced adhesiveness at an electrostatic adsorbable interface, and thereby has enhanced handleability. Electrostatic adsorbable laminated sheet includes label layer, support layer, and grip layer disposed between the label layer and the support layer, wherein the label layer and the support layer are electrostatically adsorbed to each other via the grip layer.Type: GrantFiled: July 7, 2017Date of Patent: October 19, 2021Assignee: YUPO CORPORATIONInventors: Yutaro Sugamata, Hiroshi Koike
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Patent number: 11124679Abstract: Provided is a laminated sheet including an upper paper layer and a release sheet layer, the upper paper layer including synthetic paper and an adsorbing layer, the synthetic paper, the adsorbing layer and the release sheet layer, in order, being laminated, wherein the adsorbing layer is a foam sheet of a resin composition, the resin composition containing crosslinking resultant of 100 parts by mass of a (meth)acrylic acid ester copolymer resin and 1 to 20 parts by mass of a carbodiimide crosslinking agent, the (meth)acrylic acid ester copolymer resin having a N-methylol group, a glass transition temperature of the (meth)acrylic acid ester copolymer resin being no more than ?10° C., the release sheet layer consists of a thermoplastic resin sheet, and a rate of tensile elastic moduli is 0.Type: GrantFiled: September 12, 2017Date of Patent: September 21, 2021Assignees: ZEON CORPORATION, YUPO CORPORATIONInventors: Shinsuke Ashida, Atsushi Sone, Tamio Shikano, Hiroshi Koike
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Publication number: 20210243326Abstract: A lighting device includes a rod-shaped light guide, a light guide holder, and an opening optically communicating with the hole. The opening is formed in a first flat surface opposite to a surface into which an end surface of the light guide is inserted. The device also includes a housing, a light source base plate, and a base plate protection layer being formed on a region of the light source base plate other than at least a region on which a light source element is formed. At least one of the light source base plate and the second flat surface of the base plate protection layer is pressed against the housing or the first flat surface at a position at which light emitted by the light source element enters the end surface of the light guide exposed from the opening.Type: ApplicationFiled: June 25, 2019Publication date: August 5, 2021Applicant: Mitsubishi Electric CorporationInventors: Toru ARAMAKI, Hideki MATSUI, Hiroshi KOIKE
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Publication number: 20210001255Abstract: The electret-treated sheet includes: a core layer (A) which is a porous film containing at least a thermoplastic resin; a surface layer (X) disposed on one side of the core layer (A); and a back surface layer (Y) disposed on the other side of the core layer (A), the surface layer (X) and the back surface layer (Y) each having a charged outermost surface, wherein the electret-treated sheet has a water vapor permeability coefficient of 0.1 to 2.5 g·mm/m2·24 hr; the core layer (A) has a pore aspect ratio of 5 to 50 and an average pore height of 2.5 to 15 ?m; the surface layer (X) and the back surface layer (Y) each have a thickness of 5 to 200 ?m; and the surface layer (X) includes a heat seal layer (B) including the outermost surface, wherein the heat seal layer (B) has a melting point of 50 to 140° C.Type: ApplicationFiled: March 27, 2019Publication date: January 7, 2021Applicant: YUPO CORPORATIONInventors: Yutaro SUGAMATA, Hiroshi KOIKE, Seiichiro IIDA
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Publication number: 20200309592Abstract: A sensor unit capable of protecting a piezoelectric element and detecting vibration and sound is provided. The sensor unit comprises a sheet-like piezoelectric element having a porous layer, and a sound propagation sheet covering at least one face of the piezoelectric element and permitting transmission of sound from a first face toward a second face of the sound propagation sheet. A difference in acoustic pressure level between the sound incident on the sound propagation sheet and the transmitted sound is preferably no greater than 10 dB. A surface density of the sound propagation sheet is preferably from 0.03 g/m2 to 100 g/m2. The sound propagation sheet is preferably flexible and preferably has voids. The sensor unit preferably further comprises a sound insulation sheet covering another face of the piezoelectric element and substantially preventing transmission of sound from a second face toward a first face of the sound insulation sheet.Type: ApplicationFiled: May 29, 2020Publication date: October 1, 2020Inventors: Tomoya MIYATA, Kunio HIYAMA, Seiichiro IIDA, Hiroshi KOIKE, Hidekazu KODAMA
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Patent number: 10778356Abstract: In a terminal device, a communication unit performs communication using one of a plurality of time slots in a communication channel. A switching unit switches a time slot for transmission when a predetermined switching condition is determined to be met by referring to a reception signal received in the communication unit and maintains the time slot for transmission until the switching condition is determined to be met again by referring to the reception signal.Type: GrantFiled: August 10, 2018Date of Patent: September 15, 2020Assignee: JVC KENWOOD CORPORATIONInventors: Motoshi Yoshimura, Hiroshi Koike
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Patent number: 10670453Abstract: A sensor unit capable of protecting a piezoelectric element and detecting vibration and sound is provided. The sensor unit comprises a sheet-like piezoelectric element having a porous layer, and a sound propagation sheet covering at least one face of the piezoelectric element and permitting transmission of sound from a first face toward a second face of the sound propagation sheet. A difference in acoustic pressure level between the sound incident on the sound propagation sheet and the transmitted sound is preferably no greater than 10 dB. A surface density of the sound propagation sheet is preferably from 0.03 g/m2 to 100 g/m2. The sound propagation sheet is preferably flexible and preferably has voids. The sensor unit preferably further comprises a sound insulation sheet covering another face of the piezoelectric element and substantially preventing transmission of sound from a second face toward a first face of the sound insulation sheet.Type: GrantFiled: February 28, 2018Date of Patent: June 2, 2020Assignees: YAMAHA CORPORATION, YUPO CORPORATIONInventors: Tomoya Miyata, Kunio Hiyama, Seiichiro Iida, Hiroshi Koike, Hidekazu Kodama
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Publication number: 20200009489Abstract: An object of the present invention is to provide a low pressure-loss type of filter which has a high dust collecting capability and suppresses the lowering of the dust collecting capability even after cleaning. The present invention relates to an electret-treated sheet including at least a surface layer, a high dielectric layer and a back-surface layer, while having the high dielectric layer between the surface layer and the back-surface layer, wherein the surface layer and the back-surface layer are each a thermoplastic resin film having a relative dielectric constant of smaller than 6 at 100 kHz; the high dielectric layer is a material having a relative dielectric constant of 6 or larger at 100 kHz; and the surface layer and the back-surface layer each have a static charge due to electrostatically charge; and to a filter using the same.Type: ApplicationFiled: March 7, 2018Publication date: January 9, 2020Applicant: YUPO CORPORATIONInventors: Yutaro SUGAMATA, Hiroshi KOIKE, Seiichiro IIDA
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Patent number: D891280Type: GrantFiled: January 21, 2019Date of Patent: July 28, 2020Assignee: Mitsubishi Electric CorporationInventors: Toru Aramaki, Tomokazu Ogomi, Hideki Matsui, Hiroshi Koike
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Patent number: D964191Type: GrantFiled: January 21, 2019Date of Patent: September 20, 2022Assignee: Mitsubishi Electric CorporationInventors: Toru Aramaki, Tomokazu Ogomi, Hideki Matsui, Hiroshi Koike
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Patent number: D970457Type: GrantFiled: January 21, 2019Date of Patent: November 22, 2022Assignee: Mitsubishi Electric CorporationInventors: Toru Aramaki, Tomokazu Ogomi, Hideki Matsui, Hiroshi Koike
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Patent number: D999074Type: GrantFiled: July 5, 2022Date of Patent: September 19, 2023Assignee: Mitsubishi Electric CorporationInventors: Toru Aramaki, Tomokazu Ogomi, Hideki Matsui, Hiroshi Koike