Patents Assigned to Akita University
  • Patent number: 11873389
    Abstract: A composition including a fluorine-containing polymer and a silicon-containing compound, wherein the phosphorus content in the composition is 20 ppm or less. Also disclosed is a molded article obtained from the composition, and a second composition containing a fluorine-containing polymer and a silicon-containing polymer, wherein a content of an amide solvent in the composition is less than 1000 ppm.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: January 16, 2024
    Assignees: Akita University, DAIKIN INDUSTRIES, LTD.
    Inventors: Kazuya Matsumoto, Mitsutoshi Jikei, Shushi Yamada, Tsuyoshi Noguchi, Fumihiro Kamiya, Yoshiho Yanagida
  • Patent number: 10815369
    Abstract: The invention provides a composition capable of providing a molded article that has excellent heat resistance and a small weight change against oxygen plasma exposure and fluorine plasma exposure during a semiconductor manufacturing step. The composition contains a fluorine-containing polymer and a hyperbranched polymer of a cage silsesquioxane with a specific structure.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: October 27, 2020
    Assignees: Akita University, DAIKIN INDUSTRIES, LTD.
    Inventors: Kazuya Matsumoto, Mitsutoshi Jikei, Sumito Yamakawa, Tadatake Sakurada, Fumihiro Kamiya, Tsuyoshi Noguchi
  • Patent number: 10377881
    Abstract: The invention provides a composition capable of providing a molded article that has excellent heat resistance and a small weight change against both fluorine plasma exposure and oxygen plasma exposure during a semiconductor manufacturing step. The composition contains a fluorine-containing polymer and a cage silsesquioxane having a specific structure.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: August 13, 2019
    Assignees: Akita University, DAIKIN INDUSTRIES, LTD.
    Inventors: Kazuya Matsumoto, Mitsutoshi Jikei, Kunio Nishi, Tsuyoshi Noguchi, Fumihiro Kamiya
  • Publication number: 20180295818
    Abstract: It is an object of the present invention to provide a transgenic non-human animal, which can appropriately evaluate properties, pharmacological effects and safety of a molecular targeted substance or targeted drug to a human specific molecule, and to provide a method for producing the transgenic non-human animal, which comprises a gene encoding a human specific molecule and a gene encoding a human Fc? receptor family, both genes being introduced in the animal, thereby expressing the gene encoding a human specific molecule and the gene encoding a human Fc? receptor family.
    Type: Application
    Filed: April 28, 2016
    Publication date: October 18, 2018
    Applicants: Institute of Immunology Co., Ltd., Akita University
    Inventors: Akira SHIOTA, Tatsuya MIZOROKI, Yuki MORITOKI
  • Patent number: 9920376
    Abstract: The objective of the present invention is to provide a method and a means of rapidly and reliably detecting lymph node metastasis in cancer or the risk of lymph node metastasis. Specifically, the present invention provides a method and a rapid determination kit for detecting lymph node metastasis in cancer or its risk by identifying a certain genetic polymorphism of the human CRP gene, and it is clinically significant in determining the treatment strategy, because effective prediction/determination can be made regarding lymph node metastasis, which is an important phenomenon in cancer progression.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: March 20, 2018
    Assignees: National University Corporation Akita University, ARKAY, Inc.
    Inventors: Satoru Motoyama, Masatomo Miura, Junichi Ogawa
  • Patent number: 9835619
    Abstract: 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: Grant
    Filed: February 20, 2014
    Date of Patent: December 5, 2017
    Assignees: Governor of Akita Prefecture, Akita University
    Inventors: Yoichi Akagami, Masami Kagaya, Ryuta Nakamura, Hiroshi Ikeda, Yoshihiro Minamiya, Hiroshi Nanjo
  • Patent number: 8920535
    Abstract: A separation and recovery method that enables titanium and tungsten to be separated and recovered from a used DeNOx catalyst in high yield. Specifically, a method of separating and recovering metal elements that includes a first heating step of heating a DeNOx catalyst containing titanium, tungsten, vanadium and iron in a chlorine atmosphere, thereby removing the vanadium and the iron from the DeNOx catalyst, and a second heating step, performed after the first heating step, of heating the DeNOx catalyst in a chlorine atmosphere while the catalyst is exposed to a gas of a hydrocarbon compound (excluding CH4) or an oxygen-containing carbon compound, thereby volatilizing the tungsten and the titanium from the DeNOx catalyst, and recovering the tungsten and the titanium from the DeNOx catalyst.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: December 30, 2014
    Assignees: Mitsubishi Heavy Industries, Ltd., National University Corporation Akita University
    Inventors: Masashi Kiyosawa, Katsumi Nochi, Norihisa Kobayashi, Kozo Iida, Katsuyasu Sugawara, Yuuki Mochizuki
  • Patent number: 8891190
    Abstract: An electric field writing magnetic storage device including: a rotatable disk including a substrate and a magnetic recording film provided on a surface of the substrate, the magnetic recording film including at least one ferromagnetic and ferroelectric layer; a writing device writing information into the magnetic recording film by means of an electric field, the writing device including a writing electrode generating a dielectric flux between the writing electrode and the substrate by having electric potential to the substrate; and a writing circuit choosing one electric potential among plurality of electric potential level and applying the chosen one electric potential to the writing electrode in every operation of writing information, wherein the dielectric flux generated according to the electric potential applied to the writing electrode by the writing circuit magnetizes the ferromagnetic and ferroelectric layer in a specific direction.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: November 18, 2014
    Assignee: Akita University
    Inventors: Satoru Yoshimura, Hitoshi Saito
  • Patent number: 8801280
    Abstract: A temperature measuring method using a temperature probe in which a temperature-sensitive magnetic substance having an arbitrary Curie point is arranged in a portion to be measured. A magnetic field is generated from a magnetic field generation source disposed at a position away from the portion to be measured. A change of the magnetic flux vector of the magnetic field depending on the temperature of the temperature-sensitive magnetic substance is detected by a magnetic sensor to measure the temperature of the portion to be measured, thereby the temperature of the portion to be measured can be wirelessly measured from the position away from the portion to be measured and the reduction in size can be easy.
    Type: Grant
    Filed: January 9, 2009
    Date of Patent: August 12, 2014
    Assignee: Akita University
    Inventors: Noboru Yoshimura, Kazutaka Mitobe, Jun-ichi Ogawa, Hajime Saito
  • Publication number: 20140218016
    Abstract: A magnetic profile measuring device which scans a space where an alternating-current magnetic field exists by a magnetized probe on a tip of a driven cantilever, detects vibration of the cantilever, and generates an image of magnetic field distribution of the space, the device including: the cantilever having the probe equipped on the tip thereof; a driver driving the cantilever; a vibration sensor detecting vibration of the probe wherein the driven vibration of the cantilever is frequency-modulated by the alternating-current magnetic field; a demodulator demodulating from a detection signal of the vibration sensor a magnetic signal corresponding to an alternating-current magnetic field; a scanning mechanism; a data storage storing an initial data for each coordinate of the space; a modified data generator recalling the initial data from the data storage and generating a plurality of data by modifying the phase of the initial data; and an image display device.
    Type: Application
    Filed: September 25, 2012
    Publication date: August 7, 2014
    Applicant: Akita University
    Inventors: Hitoshi Saito, Satoru Yoshimura
  • Publication number: 20140182731
    Abstract: A drainpipe comprising a concentrating flow path to concentrate flow of fluid on an inner wall of the pipe, which makes it possible to inhibit freezing of the fluid hydrodynamically without providing heat energy from outside, to thereby prevent blockage of the pipe.
    Type: Application
    Filed: December 26, 2012
    Publication date: July 3, 2014
    Applicants: Akita University, Yoshida Anny Co., Ltd.
    Inventors: Yoshimi Komatsu, Yoshihiro Yoshida
  • Patent number: 8621658
    Abstract: A magnetic-field-observation device and method for measuring magnetic force near a magnetic material specimen's surface with high resolution and detecting the polarity of the magnetic pole of specimen's surface.
    Type: Grant
    Filed: September 5, 2011
    Date of Patent: December 31, 2013
    Assignee: Akita University
    Inventors: Hitoshi Saito, Satoru Yoshimura
  • Patent number: 8557020
    Abstract: A compound represented by General Formula (1) below, where R denotes a C1-C10 hydrocarbon group, Z denotes any one of a sulfide group, a sulfinyl group and a sulfonyl group, and n denotes an integer of 4 to 8 is described. A method for extracting metals and a metal recovery method using a metal extractant comprising the compound represented by General Formula (1) are also described.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: October 15, 2013
    Assignees: Dowa Holdings Co., Ltd., Akita University
    Inventors: Fumio Hamada, Chun-Bin Li, Yoshihiko Kondo
  • Patent number: 8500846
    Abstract: The present invention is to provide a novel rare metal extractant containing a cyclic phenol sulfide derivative of the formula (1) and a method for extractive separation of rare metal(s) using the rare metal extractant with high efficiency.
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: August 6, 2013
    Assignee: Akita University
    Inventors: Yoshihiko Kondo, Chun-bin Li, Manabu Yamada, Fumio Hamada
  • Patent number: 8490209
    Abstract: Provided are a surface state measuring device which can measure an alternating force of an arbitrary frequency and which is excellent in spatial resolution, and a surface state measuring method using the device. This surface state measuring device measures the surface state of a sample by detecting the modulation of the oscillation of a probe arranged above the sample. The measuring device comprises: a cantilever having a probe near a free end; an excitation mechanism for exciting the cantilever; a scanning mechanism for making the probe scan the sample by moving the probe and the sample relative to each other; and alternating force generator for generating an alternating force of an arbitrary frequency in a space; and a modulation measuring mechanism for measuring the degree of frequency modulation or amplitude modulation of the oscillations of the probe, which are generated by the alternating force.
    Type: Grant
    Filed: August 9, 2010
    Date of Patent: July 16, 2013
    Assignee: Akita University
    Inventor: Hitoshi Saito
  • Patent number: 8470478
    Abstract: A solid electrolyte which is made of a material having high biocompatibility and which is capable of conducting a large electric current while performing a rectifying function; and an electrochemical element employing the same. The solid electrolyte is formed by stacking a first layer containing an acidic amino acid and a second layer containing a basic amino acid; and the electrochemical element is formed by disposing the solid electrolyte between a positive electrode and a negative electrode.
    Type: Grant
    Filed: February 4, 2011
    Date of Patent: June 25, 2013
    Assignee: Akita University
    Inventor: Yutaka Tsujiuchi
  • Patent number: 8173046
    Abstract: A conductive polymer film is produced by drying out a solution of conductive polymer and a dopant thereof to obtain a dried film. A dried film obtained from the solution is treated, in a reaction vessel, with an organic solvent and pressurized carbon dioxide.
    Type: Grant
    Filed: June 2, 2008
    Date of Patent: May 8, 2012
    Assignees: Akita University
    Inventors: Mitsutoshi Jikei, Hajimu Yasuda, Hideo Yoshida
  • Patent number: 8059640
    Abstract: A multistage switch control circuit allows unit switches to be set at a higher speed than conventional multistage switch control circuits. Higher-order half first and second control elements are connected to a first section of a bus to form a first cluster, while lower-order half third and fourth control elements are connected to a second section of the bus to form a second cluster. A bus switch which functions as a cluster formation means is arranged between the first section and the second section of the bus to perform the connection/separation of the first section and the second section. The first to fourth control elements transmit switch control signals to corresponding unit switches, respectively, in each stage.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: November 15, 2011
    Assignee: National University Corporation Akita University
    Inventors: Hitoshi Obara, Masato Sakata
  • Patent number: 8038969
    Abstract: The present invention provides a rare metal/platinum-group metal extractant, which has a completely new structure compared with the conventional rare metal/platinum-group metal extractant and which exhibits excellent extraction performance; it also provides a method for extracting rare metals and platinum-group metals using the extractant. The rare metal/platinum-group metal extractants of the present invention is the one to extract rare metals and platinum-group metals by contacting a solution, in which several kinds of rare metals and platinum-group metals are dissolved, with a solution in which a cyclic phenol sulfide of the following Formula (1) is dissolved to make the rare metals and platinum-group metals move into the cyclic phenol sulfide solution.
    Type: Grant
    Filed: June 6, 2007
    Date of Patent: October 18, 2011
    Assignee: National University Corporation Akita University
    Inventors: Yoshihiko Kondo, Atsushi Shibayama, Fumio Hamada, Manabu Yamada, Mitsuhiro Akama, Takanori Imai
  • Patent number: 7927725
    Abstract: A magnetic recording medium for use in digital magnetic recording, which comprises a nonmagnetic substrate having deposited thereon a magnetic layer, wherein with respect to the in-plane direction, the magnetic recording layer comprises a plurality of ferromagnetic regions separated from each other by an antiferromagnetic region. A production method of the magnetic recording medium and a magnetic disc apparatus are also disclosed.
    Type: Grant
    Filed: September 8, 2008
    Date of Patent: April 19, 2011
    Assignees: Showa Denko K.K., National University Corporation Akita University
    Inventors: Shunji Ishio, Hitoshi Saito, Takashi Hasegawa, Iwao Okamoto, Naoya Yamamoto