Patents by Inventor Yutaka Kitajima
Yutaka Kitajima 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: 20240145620Abstract: A manufacturing method of an electronic device includes forming a support layer that is provided to extend from a first surface of a functional layer formed on a first substrate via a first layer, as a surface on a side opposite to the first substrate, to the first substrate and supports the functional layer with respect to the first substrate, forming a thin film holding layer on at least one of the support layer and the first surface of the functional layer, removing the first layer, joining a transfer member to a surface of the thin film holding layer on a side opposite to the functional layer, separating the functional layer, the support layer and the thin film holding layer from the first substrate, transferring the functional layer, the support layer and the thin film holding layer to a different second substrate, and removing the thin film holding layer.Type: ApplicationFiled: August 8, 2023Publication date: May 2, 2024Applicant: Oki Electric Industry Co., Ltd.Inventors: Hironori FURUTA, Takuma ISHIKAWA, Yuuki SHINOHARA, Takahito SUZUKI, Kenichi TANIGAWA, Yutaka KITAJIMA
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Publication number: 20240145239Abstract: A manufacturing method of a semiconductor element includes forming a plurality of islands, each including a semiconductor layer containing a nitride semiconductor and a support formed on the semiconductor layer, on a sapphire substrate, joining the support to a retention substrate via an adhesive member, peeling off the semiconductor layer from the sapphire substrate by irradiating the semiconductor layer with laser light, and polishing a surface of the semiconductor layers peeled off from the sapphire substrate.Type: ApplicationFiled: August 9, 2023Publication date: May 2, 2024Applicant: Oki Electric Industry Co., Ltd.Inventors: Shinya JUMONJI, Toru KOSAKA, Takahito SUZUKI, Kenichi TANIGAWA, Yusuke NAKAI, Hiroto KAWADA, Genichirou MATSUO, Yutaka KITAJIMA
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Publication number: 20240145631Abstract: A manufacturing method of a semiconductor element includes forming a plurality of semiconductor layers on a sapphire substrate, each of the semiconductor layers having a first surface on the sapphire substrate side and a second surface on the opposite side, joining the second surfaces of the plurality of semiconductor layers to a retention member via an adhesive member, peeling off the plurality of semiconductor layers from the sapphire substrate by irradiating the first surfaces of the plurality of semiconductor layers with laser light, and polishing the first surfaces of the plurality of semiconductor layers. At least one semiconductor layer among the plurality of semiconductor layers includes a polishing indication part extending from the second surface toward the first surface. The polishing is executed until the polishing indication part is exposed to the polished surface.Type: ApplicationFiled: August 8, 2023Publication date: May 2, 2024Applicant: Oki Electric Industry Co., Ltd.Inventors: Shinya JUMONJI, Toru KOSAKA, Takahito SUZUKI, Kenichi TANIGAWA, Yusuke NAKAI, Hiroto KAWADA, Genichirou MATSUO, Yutaka KITAJIMA
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Publication number: 20230320228Abstract: A piezoelectric film integrated device includes a substrate; an electrode provided on the substrate; a first piezoelectric element that is provided on the electrode and includes a first monocrystalline piezoelectric film and a first electrode film superimposed on the first monocrystalline piezoelectric film; and a second piezoelectric element that is provided on the first piezoelectric element and includes a second monocrystalline piezoelectric film and a second electrode film superimposed on the second monocrystalline piezoelectric film.Type: ApplicationFiled: March 7, 2023Publication date: October 5, 2023Applicants: Oki Electric Industry Co., Ltd., I-PEX Piezo Solutions Inc.Inventors: Hironori FURUTA, Toru KOSAKA, Takahito SUZUKI, Kenichi TANIGAWA, Takuma ISHIKAWA, Yutaka KITAJIMA, Akio KONISHI, Hiroaki KANAMORI, Takeshi IIZUKA
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Publication number: 20230320224Abstract: A piezoelectric-body film joint substrate includes a substrate, a first electrode provided on the substrate, a first piezoelectric-body film stuck on the first electrode and including a first piezoelectric film and a first upper electrode film formed on the first piezoelectric film, a second electrode provided on the substrate, and a second piezoelectric-body film stuck on the second electrode and including a second piezoelectric film different from the first piezoelectric film and a second upper electrode film formed on the second piezoelectric film, wherein a height from an upper surface of the substrate, on which the first electrode and the second electrode are formed, to a top of the first upper electrode film and a height from the upper surface of the substrate to a top of the second upper electrode film differ from each other.Type: ApplicationFiled: March 6, 2023Publication date: October 5, 2023Applicant: Oki Electric Industry Co., Ltd.Inventors: Hironori FURUTA, Toru KOSAKA, Takahito SUZUKI, Kenichi TANIGAWA, Takuma ISHIKAWA, Yutaka KITAJIMA
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Publication number: 20230320217Abstract: A piezoelectric-body film joint substrate includes a substrate, a substrate electrode provided on the substrate, a first piezoelectric-body film stuck on the substrate electrode and including a first piezoelectric film and a first upper electrode film formed on the first piezoelectric film, and a second piezoelectric-body film stuck on the first upper electrode film and including a second piezoelectric film different from the first piezoelectric film and a second upper electrode film formed on the second piezoelectric film.Type: ApplicationFiled: March 9, 2023Publication date: October 5, 2023Applicant: Oki Electric Industry Co., Ltd.Inventors: Hironori FURUTA, Toru KOSAKA, Takahito SUZUKI, Kenichi TANIGAWA, Takuma ISHIKAWA, Yutaka KITAJIMA
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Publication number: 20230320219Abstract: A piezoelectric film integrated device include a substrate; a first electrode provided on the substrate; a second electrode provided on the substrate; a first monocrystalline piezoelectric film provided on the first electrode; a second monocrystalline piezoelectric film provided on the second electrode and having a crystal structure different from a crystal structure of the first monocrystalline piezoelectric film; a third electrode provided on the first monocrystalline piezoelectric film; and a fourth electrode provided on the second monocrystalline piezoelectric film.Type: ApplicationFiled: March 6, 2023Publication date: October 5, 2023Applicants: Oki Electric Industry Co., Ltd., I-PEX Piezo Solutions Inc.Inventors: Hironori FURUTA, Toru KOSAKA, Takahito SUZUKI, Kenichi TANIGAWA, Takuma ISHIKAWA, Yutaka KITAJIMA, Akio KONISHI, Hiroaki KANAMORI, Takeshi IIZUKA
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Publication number: 20220289121Abstract: Glass (1) for vehicles includes a light blocking region (A2) in which a far-infrared ray transmission region (B) provided with an opening and a far-infrared ray transmission member arranged in the opening, and a visible light transmission region (C) transmitting visible light are formed. The opening is formed between an upper edge part (1a) of the glass (1) and a first position (P1) in a first direction from the upper edge part (1a) toward a lower edge part (1b) of the glass (1), the first position (P1) is a position at which a distance from the upper edge part (1a) is 30% of a length from the upper edge part (1a) to the lower edge part (1b), and between a second position (P2) and a third position (P3) in a second direction from a side edge part (1c) toward a side edge part (1d) of the glass (1) for vehicles.Type: ApplicationFiled: June 1, 2022Publication date: September 15, 2022Applicant: AGC Inc.Inventors: Tatsuo NAGASHIMA, Yutaka KITAJIMA
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Publication number: 20220009134Abstract: A method of producing a hard coating layer-laminated mold resin comprising a transfer material preparation step, a resin preparation step, a disposition step, and a transfer step. In the transfer material preparation step, a transfer material including a substrate sheet and a protective layer is prepared. The protective layer includes a cured and/or half-cured product of an active energy ray-curable resin and has a thermally reactive group and a polysiloxane chain. In the resin preparation step, mold resin in a thermally uncured and/or half-cured state is prepared. In the disposition step, the transfer material is disposed so that the protective layer is exposed. In the transfer step, the mold resin and the protective layer are brought into contact and heated to chemically bond them, and the mold layer is cured, and the protective layer is cured to form the hard coating layer.Type: ApplicationFiled: November 26, 2019Publication date: January 13, 2022Applicants: Harima Chemicals, Incorporated, Hamamatsu Photonics K.K.Inventors: Ryouichi NAKAI, Yutaka KITAJIMA, Hisaya SUGIURA, Takayuki IKEYA
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Publication number: 20210387386Abstract: A multi-layered sheet includes a substrate sheet and a thermally curable layer that is disposed on a surface of the substrate sheet and can be disposed on at least a part of a surface of a mold resin, wherein the thermally curable layer is an uppermost layer of the multi-layered sheet, the thermally curable layer includes a product of active energy ray-curable resin cured or half-cured by active energy ray, and the thermally curable layer has: a thermally reactive group that can react and thermally cure with a material component of the mold resin; and a polysiloxane chain.Type: ApplicationFiled: November 26, 2019Publication date: December 16, 2021Applicant: Harima Chemicals, IncorporatedInventors: Ryouichi NAKAI, Yutaka KITAJIMA, Soichi SHIKANO
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Patent number: 9546234Abstract: A metal fine particle dispersant is obtained by reaction of a polymer (a) containing a first reactive functional group, an ionic group to be absorbed to metal fine particles, and a polyoxyalkylene side chain with a compound (b) containing a second reactive functional group to be bonded to the first reactive functional group and an active energy ray curable group to be cured by an active energy ray. A metal fine particle dispersion liquid containing the metal fine particle dispersant, metal fine particles, and a dispersion medium is prepared. The metal fine particle dispersion liquid is cured, thereby obtaining a cured film.Type: GrantFiled: January 16, 2014Date of Patent: January 17, 2017Assignee: HARIMA CHEMICALS, INCORPORATEDInventors: Yutaka Kitajima, Tetsuya Harada, Keiji Sasakura
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Patent number: 9375900Abstract: To provide laminated glass excellent in the quality and the cost, in which two glass plates differing in the plate thickness can easily be bent with good accuracy. Laminated glass 60 comprising a plurality of glass plates 12 and 14 bent into a predetermined shape, and an interlayer 40 interposed between the plurality of glass plates 12 and 14, at least two glass plates 12 and 14 among the plurality of glass plates 12 and 14 differing in the plate thickness, wherein the two glass plates 12 and 14 differing in the plate thickness have different glass compositions, and at an optional temperature between the annealing point and the softening point of the thick glass plate 12, the thick glass plate 12 has a lower viscosity than the thin glass plate 14.Type: GrantFiled: October 1, 2013Date of Patent: June 28, 2016Assignee: Asahi Glass Company, LimitedInventors: Masahiro Tsuchiya, Yasumasa Kato, Yutaka Kitajima, Masashi Kasajima, Shuichi Akada
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Publication number: 20160002379Abstract: A metal fine particle dispersant is obtained by reaction of a polymer (a) containing a first reactive functional group, an ionic group to be absorbed to metal fine particles, and a polyoxyalkylene side chain with a compound (b) containing a second reactive functional group to be bonded to the first reactive functional group and an active energy ray curable group to be cured by an active energy ray. A metal fine particle dispersion liquid containing the metal fine particle dispersant, metal fine particles, and a dispersion medium is prepared. The metal fine particle dispersion liquid is cured, thereby obtaining a cured film.Type: ApplicationFiled: January 16, 2014Publication date: January 7, 2016Applicant: HARIMA CHEMICALS, INCORPORATEDInventors: Yutaka KITAJIMA, Tetsuya HARADA, Keiji SASAKURA
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Publication number: 20150202854Abstract: A laminated glass production method includes bending multiple glass plates into a desired shape by heating the glass plates to near a softening point, stacking the bent glass plates in layers with an interlayer interposed therebetween, and forming laminated glass by bonding the glass plates and the interlayer stacked in layers by applying pressure. At least two of the glass plates composing the laminated glass have different thicknesses. Of the two glass plates having different thicknesses, the thicker glass plate has a lower viscosity than the thinner glass plates at a temperature between the annealing point and the softening point of the thicker glass plate. Forming the laminated glass includes forming an uneven temperature distribution on a principal surface of each of the glass plates.Type: ApplicationFiled: April 1, 2015Publication date: July 23, 2015Applicant: Asahi Glass Company, LimitedInventors: Masahiro TSUCHIYA, Yasumasa KATO, Yutaka KITAJIMA, Masashi KASAJIMA, Shuichi AKADA, Hiroshi YAMAKAWA, Junji TANAKA
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Publication number: 20140093702Abstract: A process for producing laminated by heating glass plates to a temperature close to a softening point to bend the glass plates includes a forming step for placing a plurality of glass plates 12 and 14 overlaid via a release agent on a ring mold 20 and bending the glass plates in a curved shape by gravity. In the forming step, at least two glass plates among the glass plates 12 and 14 have different plate thicknesses, the thinnest glass plate 14 has a plate thickness of less than 1.6 mm, and the plate thickness difference between the thinnest glass plate 14 and the thickest glass plate 12 is at least 0.5 mm. In the forming step, the glass plates 2 and 4 are placed on the ring mold 20 such that a thinner glass plate is disposed at a lower position.Type: ApplicationFiled: December 9, 2013Publication date: April 3, 2014Applicant: Asahi Glass Company, LimitedInventor: Yutaka KITAJIMA
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Publication number: 20140065374Abstract: To provide laminated glass excellent in the quality and the cost, in which two glass plates differing in the plate thickness can easily be bent with good accuracy. Laminated glass 60 comprising a plurality of glass plates 12 and 14 bent into a predetermined shape, and an interlayer 40 interposed between the plurality of glass plates 12 and 14, at least two glass plates 12 and 14 among the plurality of glass plates 12 and 14 differing in the plate thickness, wherein the two glass plates 12 and 14 differing in the plate thickness have different glass compositions, and at an optional temperature between the annealing point and the softening point of the thick glass plate 12, the thick glass plate 12 has a lower viscosity than the thin glass plate 14.Type: ApplicationFiled: October 1, 2013Publication date: March 6, 2014Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Masahiro TSUCHIYA, Yasumasa KATO, Yutaka KITAJIMA, Masashi KASAJIMA, Shuichi AKADA
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Patent number: 8468850Abstract: In a preliminary forming step, positioning of a glass sheet is facilitated, and generation of a hinge mark by a flapping mechanism and generation of excessively bent portions, are prevented at the same time.Type: GrantFiled: June 3, 2010Date of Patent: June 25, 2013Assignee: Asahi Glass Company, LimitedInventors: Masao Fukami, Taisei Mori, Yutaka Kitajima
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Patent number: 8387415Abstract: The present invention relates to an apparatus for bending a glass sheet and a method for bending a glass sheet including an apparatus and a method for conveying a glass sheet, and it aims at producing with good efficiency a glass sheet of high quality, having complicated configuration.Type: GrantFiled: June 19, 2009Date of Patent: March 5, 2013Assignee: Asahi Glass Company, LimitedInventors: Masao Fukami, Taisei Mori, Yutaka Kitajima, Koji Izumi
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Patent number: 8381547Abstract: An air-cooling/tempering apparatus and method, which can properly temper a glass sheet bent to have a complexly curved surface, without increasing the heating temperature of the glass sheet or increasing a wind pressure from air-blowing openings. A lower blowing member of the air-cooling/tempering apparatus includes a plurality of blade-shaped members arranged into a combtooth shape each having a front end face provided with a plurality of arranged air-blowing openings. Each blade-shaped member has a front end face with a concave curve so that a gap from the plurality of airblowing openings to the bent glass sheet becomes substantially uniform. The arrangement of air-blowing openings provided on the front end face of each blade-shaped member is turned with a predetermined angle and extends in one direction in each side portion in plan view.Type: GrantFiled: March 9, 2011Date of Patent: February 26, 2013Assignee: Asahi Glass Company, LimitedInventors: Masao Fukami, Shinya Ota, Yutaka Kitajima
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Patent number: 8033138Abstract: It is an object of the present invention to provide a method for bending a glass sheet which can appropriately prevent cloth mark due to suctioning.Type: GrantFiled: December 14, 2006Date of Patent: October 11, 2011Assignee: Asahi Glass Company, LimitedInventors: Junji Hori, Taisei Mori, Masao Fukami, Yutaka Kitajima