Patents Assigned to Akita Prefecture
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Publication number: 20240324462Abstract: A thermoelectric transducer includes a substrate, a thermoelectric film on the substrate, a first electrode on the substrate, and a second electrode on the substrate, the second electrode being different from the first electrode in work function. The first electrode and the second electrode are in contact with the same side of the thermoelectric film. The outer edge of the thermoelectric film is located inner than the outer edge of the substrate.Type: ApplicationFiled: June 5, 2024Publication date: September 26, 2024Applicants: TIANMA JAPAN, LTD., Akita PrefectureInventors: Nobuya SEKO, Kazuyuki Ise
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Patent number: 12035628Abstract: A thermoelectric transducer includes a substrate, a thermoelectric film on the substrate, a first electrode on the substrate, and a second electrode on the substrate, the second electrode being different from the first electrode in work function. The first electrode and the second electrode are in contact with the same side of the thermoelectric film. The outer edge of the thermoelectric film is located inner than the outer edge of the substrate.Type: GrantFiled: June 17, 2022Date of Patent: July 9, 2024Assignees: TIANMA JAPAN, LTD., Akita PrefectureInventors: Nobuya Seko, Kazuyuki Ise
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Publication number: 20220320412Abstract: A thermoelectric transducer includes a substrate, a thermoelectric film on the substrate, a first electrode on the substrate, and a second electrode on the substrate, the second electrode being different from the first electrode in work function. The first electrode and the second electrode are in contact with the same side of the thermoelectric film. The outer edge of the thermoelectric film is located inner than the outer edge of the substrate.Type: ApplicationFiled: June 17, 2022Publication date: October 6, 2022Applicants: TIANMA JAPAN, LTD., Akita PrefectureInventors: Nobuya SEKO, Kazuyuki Ise
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Publication number: 20220177833Abstract: An object of the present invention is to provide human fatty-liver model cells showing symptoms of the hepatic tissue of fatty liver. The present invention relates to human fatty-liver model cells, which are produced by culturing human hepatocytes derived from fatty liver in a medium containing dimethyl sulfoxide.Type: ApplicationFiled: October 29, 2019Publication date: June 9, 2022Applicants: PhoenixBio Co., Ltd., Akita Prefectural GovernmentInventors: Masakazu KAKUNI, Masaki TAKAHASHI, Keishi HATA, Sayaka TOMATSU, Akira SASAKI, Yui UMEKAWA
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Publication number: 20210391522Abstract: A thermoelectric transducer includes a substrate, a thermoelectric film on the substrate, a first electrode on the substrate, and a second electrode on the substrate, the second electrode being different from the first electrode in work function. The first electrode and the second electrode are in contact with the same side of the thermoelectric film. The outer edge of the thermoelectric film is located inner than the outer edge of the substrate.Type: ApplicationFiled: June 9, 2021Publication date: December 16, 2021Applicants: TIANMA JAPAN, LTD., Akita PrefectureInventors: Nobuya SEKO, Kazuyuki Ise
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Patent number: 10195828Abstract: An acoustic material is provided which includes a plurality of wood veneers laminated via an adhesive, in which the veneer is impregnated with the adhesive, and the adjacent veneers are substantially in contact with one another. The adjacent veneers are impregnated with the adhesive in an amount of preferably no less than 1 g/m2 and no greater than 50 g/m2 per unit area in and around a boundary region of the adjacent veneers. The adhesive may be a water-soluble adhesive or a water-based emulsion adhesive. The veneer may be a rotary veneer, a sawn veneer or a sliced veneer. A musical instrument is further provided which includes a sound board, in which the acoustic material is used as the sound board.Type: GrantFiled: January 6, 2017Date of Patent: February 5, 2019Assignees: Yamaha Corporation, Akita Prefectural UniversityInventors: Toshihisa Yamazaki, Eri Hirai, Hidefumi Yamauchi
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Patent number: 10176587Abstract: The present invention provides an apparatus for displaying a two-dimensional cross-sectional image of an arbitrary base plane which matches to the subject's head without creating extra labor to the operator even when the subject's head is asymmetrical. The apparatus is connected to a display unit for displaying a cross-sectional image of a head. The apparatus comprising: a conversion parameter obtaining unit for obtaining a conversion parameter indicating a difference in shape between a standard head and a subject's head based on a volume data; a subject base plane generating unit for generating an anatomical base plane of the subject's head based on the conversion parameter and an anatomical base plane of the standard head; and a cross-sectional reconstruction unit for generating a cross-sectional image of the anatomical base plane of the subject's head based on the volume data of the subject's head and displaying said cross-sectional image on the display unit.Type: GrantFiled: February 1, 2017Date of Patent: January 8, 2019Assignee: Akita Prefectural Hospital OrganizationInventors: Noriyuki Takahashi, Tomomi Ohmura
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Patent number: 10137670Abstract: An acoustic material is provided which includes a plurality of wood veneers laminated via an adhesive, in which the veneer is impregnated with the adhesive, and the adjacent veneers are substantially in contact with one another. The adjacent veneers are impregnated with the adhesive in an amount of preferably no less than 1 g/m2 and no greater than 50 g/m2 per unit area in and around a boundary region of the adjacent veneers. The adhesive may be a water-soluble adhesive or a water-based emulsion adhesive. The veneer may be a rotary veneer, a sawn veneer or a sliced veneer. A musical instrument is further provided which includes a sound board, in which the acoustic material is used as the sound board.Type: GrantFiled: January 6, 2017Date of Patent: November 27, 2018Assignees: Yamaha Corporation, Akita Prefectural UniversityInventors: Toshihisa Yamazaki, Eri Hirai, Hidefumi Yamauchi
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Patent number: 9835619Abstract: Acceleration and automation of immunohistochemical staining are achieved as follows: an automatic electric field immunohistochemical staining apparatus is configured to provided with a sample mounting unit, a solution supply unit, an electric field stifling unit, and a washing unit; the sample mounting unit on which a glass substrate with a tissue specimen fixed thereto is mounted and the electric field stirring unit that includes an upper electrode are operated in coordination to activate an antigen in the tissue specimen; the sample mounting unit and the solution supply unit containing various solutions are operated in coordination to supply a primary-antibody-containing solution to the tissue specimen; the sample mounting unit and the electric field stirring unit are operated in coordination to perform an antigen-antibody reaction of the antigen in the tissue specimen and a primary antibody; and the electric field stirring unit and the washing unit are operated in coordination.Type: GrantFiled: February 20, 2014Date of Patent: December 5, 2017Assignees: Governor of Akita Prefecture, Akita UniversityInventors: Yoichi Akagami, Masami Kagaya, Ryuta Nakamura, Hiroshi Ikeda, Yoshihiro Minamiya, Hiroshi Nanjo
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Patent number: 9496478Abstract: According to one embodiment, a method of damping an actuator to reduce an amplitude of a resonance peak of the actuator, including a piezoelectric element and a translation mechanism, includes securing one surface of a restraint member having at least two surfaces to a movable part of the translation mechanism with an elastic or viscoelastic body therebetween, securing the other surface of the restraint member to a support portion of the translation mechanism with an elastic or viscoelastic body therebetween, and converting vibration energy of the movable part into thermal energy, based on distortion caused by deformation of the elastic or viscoelastic body.Type: GrantFiled: January 23, 2014Date of Patent: November 15, 2016Assignee: Akita PrefectureInventor: Shigeki Mori
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Publication number: 20140210312Abstract: According to one embodiment, a method of damping an actuator to reduce an amplitude of a resonance peak of the actuator, including a piezoelectric element and a translation mechanism, includes securing one surface of a restraint member having at least two surfaces to a movable part of the translation mechanism with an elastic or viscoelastic body therebetween, securing the other surface of the restraint member to a support portion of the translation mechanism with an elastic or viscoelastic body therebetween, and converting vibration energy of the movable part into thermal energy, based on distortion caused by deformation of the elastic or viscoelastic body.Type: ApplicationFiled: January 23, 2014Publication date: July 31, 2014Applicant: Akita PrefectureInventor: Shigeki Mori
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Patent number: 8586216Abstract: A large spin-polarized current can be provided. A single crystal MgO layer is grown on an Si single crystal substrate, being lattice-matched. Thereon, a ferromagnetic metal layer is grown. Growth plane of MgO layer formed on (100) plane of Si single crystal substrate is (100) plane. At interface between Si single crystal substrate and MgO layer, Si (100) [110] and MgO (100) [100] directions are parallel. FIG. 2(A) shows Si (100) plane, FIG. 2(B) MgO (100) plane, and FIG. 2(C) the state of these two planes being lattice-matched. Si (100) plane in FIG. 2(A) is constituted by Si atoms 111 alone, while MgO (100) plane in FIG. 2(B) is constituted by Mg atoms 121 and oxygen (O) atoms 122. MgO (100) plane is grown on Si (100) plane, and as shown in FIG. 2(C), Si (100) [110] and MgO (100) [100] directions are parallel at the interface.Type: GrantFiled: December 13, 2011Date of Patent: November 19, 2013Assignees: Akita Prefecture, TDK CorporationInventor: Toshio Suzuki
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Patent number: 8507258Abstract: A method of perforating a membrane and an apparatus therefor is presented. The method includes bringing a membrane-denaturing substance into contact with or close proximity to at least a site of the membrane, the substance inducing a membrane-denaturing reaction by a stimulus; providing the stimulus to the substance so as to denature the membrane; and perforating the membrane with a membrane-destroying member. The stimulus is carried through the membrane-destroying member. The present invention eliminates the influence of the membrane-denaturing agent on the substance to be injected into the cell. The present invention also enables applying the stimulus locally, with a simple construction.Type: GrantFiled: November 27, 2007Date of Patent: August 13, 2013Assignee: Akita Prefectural UniversityInventor: Takashi Saito
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Patent number: 8495761Abstract: According to one embodiment, a planar positioning device includes a first actuator displaceable in a first axis direction, a second actuator displaceable in a second axis direction perpendicular to the first axis, a first displacement magnifying mechanism configured to magnify a displacement of the first actuator, a second displacement magnifying mechanism configured to magnify a displacement of the second actuator, a stage arranged in a plane, a first drive support mechanism including a parallel link connected between the first displacement magnifying mechanism and the stage to transmit the magnified displacement in the first-axis direction to the stage, a second drive support mechanism including a parallel link connected between the second displacement magnifying mechanism and the stage to transmit the magnified displacement in the second-axis direction to the stage, and a stabilizing support mechanism configured to apply tensions in the first-axis direction and the second-axis direction to the stage.Type: GrantFiled: August 10, 2011Date of Patent: July 23, 2013Assignee: Akita PrefectureInventors: Yotsugi Shibuya, Shigeki Mori, Kazuto Miyawaki, Akihiro Naganawa
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Patent number: 8492809Abstract: The present invention provides a spin injection electrode structure, a spin transport element, and a spin transport device which enable effective spin injection in a silicon channel layer at room temperature. A spin injection electrode structure IE comprises a silicon channel layer 12, a first magnesium oxide film 13A disposed on a first part of the silicon channel layer 12, and a first ferromagnetic layer 14A disposed on the first magnesium oxide film 13A. The first magnesium oxide film 13A partly includes a first lattice-matched part P lattice-matched with both of the silicon channel layer 12 and the first ferromagnetic layer 14A.Type: GrantFiled: August 24, 2011Date of Patent: July 23, 2013Assignees: TDK Corporation, Akita PrefectureInventors: Tomoyuki Sasaki, Tohru Oikawa, Kiyoshi Noguchi, Toshio Suzuki
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Patent number: 8283120Abstract: A noncontact stirring method, a noncontact stirring apparatus, a method and apparatus for reacting nucleic acid hybridization using the apparatus, a method for detecting nucleic acid in a sample, an apparatus for detecting nucleic acid, a method for detecting antibodies in a sample, and an apparatus for detecting antibodies in minute droplets 1 ?mL or less in an electric field are proposed that can be utilized to speed up biodetection processes, hybridization processes in DNA analysis, ELISA antigen fixing processes, blocking processes, antibody-antigen reaction processes and color reaction processes; and pathogen identification, CRP tests, methods of propagating cells or bacilli such as colon bacilli in a liquid culture medium, and chemical analyses.Type: GrantFiled: October 23, 2009Date of Patent: October 9, 2012Assignee: Governor of Akita prefectureInventors: Yoichi Akagami, Masami Kagaya
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Publication number: 20120154081Abstract: A large spin-polarized current can be provided. A single crystal MgO layer is grown on an Si single crystal substrate, being lattice-matched. Thereon, a ferromagnetic metal layer is grown. Growth plane of MgO layer formed on (100) plane of Si single crystal substrate is (100) plane. At interface between Si single crystal substrate and MgO layer, Si (100) [110] and MgO (100) [100] directions are parallel. FIG. 2(A) shows Si (100) plane, FIG. 2(B) MgO (100) plane, and FIG. 2(C) the state of these two planes being lattice-matched. Si (100) plane in FIG. 2(A) is constituted by Si atoms 111 alone, while MgO (100) plane in FIG. 2(B) is constituted by Mg atoms 121 and oxygen (O) atoms 122. MgO (100) plane is grown on Si (100) plane, and as shown in FIG. 2(C), Si (100) [110] and MgO (100) [100] directions are parallel at the interface.Type: ApplicationFiled: December 13, 2011Publication date: June 21, 2012Applicants: TDK Corporation, Akita PrefectureInventor: Toshio SUZUKI
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Publication number: 20100173300Abstract: A noncontact stirring method, a noncontact stirring apparatus, a method and apparatus for reacting nucleic acid hybridization using the apparatus, a method for detecting nucleic acid in a sample, an apparatus for detecting nucleic acid, a method for detecting antibodies in a sample, and an apparatus for detecting antibodies in minute droplets 1 ?mL or less in an electric field are proposed that can be utilized to speed up biodetection processes, hybridization processes in DNA analysis, ELISA antigen fixing processes, blocking processes, antibody-antigen reaction processes and color reaction processes; and pathogen identification, CRP tests, methods of propagating cells or bacilli such as colon bacilli in a liquid culture medium, and chemical analyses.Type: ApplicationFiled: October 23, 2009Publication date: July 8, 2010Applicant: Governor of Akita PrefectureInventors: Yoichi AKAGAMI, Masami KAGAYA
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Publication number: 20100045285Abstract: A magnetic sensor element has a hard magnetic film 2 formed on a nonmagnetic substrate 1, an insulating layer 3 covering the top of the hard magnetic film 2, and a soft magnetic film 4 formed on the insulating layer 3. The magnetization direction of the hard magnetic film 2 has an angle ? relative to the longitudinal direction of the soft magnetic film 4. It is preferable that, in plan view when viewing the nonmagnetic substrate 1 from above, the hard magnetic film 2 is broader than the region in which the soft magnetic film 4 is formed, and all of the region in which the soft magnetic film 4 is entirely overlaps with the region in which the hard magnetic film 2 is formed. According to the present invention, a magnetic sensor element for which a constant bias magnetic field is obtained can be provided.Type: ApplicationFiled: January 17, 2008Publication date: February 25, 2010Applicants: Fujikura Ltd, Akita PrefectureInventors: Kenichi Ohmori, Takuya Aizawa, Osamu Nakao, Kenji Tan
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Patent number: 7365943Abstract: A magnetic head has an opposite face opposite to a magnetic disk, a main pole having a distal end face and an inclined face exposed to the opposite face, and a shield yoke extended substantially facing the opposite face. An end face on which the shield yoke is opposite to the main pole via a gap is inclined substantially in parallel to the inclined face of the main pole.Type: GrantFiled: March 22, 2007Date of Patent: April 29, 2008Assignees: Japan Science and Technology Agency, Akita PrefectureInventors: Kiyoshi Yamakawa, Hidetaka Yamada, Shingo Takahashi, Kazuyuki Ise