Patents Assigned to Akita University
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Patent number: 11873389Abstract: 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: GrantFiled: December 27, 2019Date of Patent: January 16, 2024Assignees: Akita University, DAIKIN INDUSTRIES, LTD.Inventors: Kazuya Matsumoto, Mitsutoshi Jikei, Shushi Yamada, Tsuyoshi Noguchi, Fumihiro Kamiya, Yoshiho Yanagida
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Patent number: 10815369Abstract: 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: GrantFiled: August 8, 2017Date of Patent: October 27, 2020Assignees: Akita University, DAIKIN INDUSTRIES, LTD.Inventors: Kazuya Matsumoto, Mitsutoshi Jikei, Sumito Yamakawa, Tadatake Sakurada, Fumihiro Kamiya, Tsuyoshi Noguchi
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Patent number: 10377881Abstract: 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: GrantFiled: February 17, 2016Date of Patent: August 13, 2019Assignees: Akita University, DAIKIN INDUSTRIES, LTD.Inventors: Kazuya Matsumoto, Mitsutoshi Jikei, Kunio Nishi, Tsuyoshi Noguchi, Fumihiro Kamiya
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Publication number: 20180295818Abstract: 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: ApplicationFiled: April 28, 2016Publication date: October 18, 2018Applicants: Institute of Immunology Co., Ltd., Akita UniversityInventors: Akira SHIOTA, Tatsuya MIZOROKI, Yuki MORITOKI
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Patent number: 9920376Abstract: 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: GrantFiled: June 24, 2015Date of Patent: March 20, 2018Assignees: National University Corporation Akita University, ARKAY, Inc.Inventors: Satoru Motoyama, Masatomo Miura, Junichi Ogawa
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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: 8920535Abstract: 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: GrantFiled: April 23, 2013Date of Patent: December 30, 2014Assignees: Mitsubishi Heavy Industries, Ltd., National University Corporation Akita UniversityInventors: Masashi Kiyosawa, Katsumi Nochi, Norihisa Kobayashi, Kozo Iida, Katsuyasu Sugawara, Yuuki Mochizuki
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Patent number: 8891190Abstract: 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: GrantFiled: October 31, 2012Date of Patent: November 18, 2014Assignee: Akita UniversityInventors: Satoru Yoshimura, Hitoshi Saito
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Patent number: 8801280Abstract: 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: GrantFiled: January 9, 2009Date of Patent: August 12, 2014Assignee: Akita UniversityInventors: Noboru Yoshimura, Kazutaka Mitobe, Jun-ichi Ogawa, Hajime Saito
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Publication number: 20140218016Abstract: 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: ApplicationFiled: September 25, 2012Publication date: August 7, 2014Applicant: Akita UniversityInventors: Hitoshi Saito, Satoru Yoshimura
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Publication number: 20140182731Abstract: 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: ApplicationFiled: December 26, 2012Publication date: July 3, 2014Applicants: Akita University, Yoshida Anny Co., Ltd.Inventors: Yoshimi Komatsu, Yoshihiro Yoshida
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Patent number: 8621658Abstract: 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: GrantFiled: September 5, 2011Date of Patent: December 31, 2013Assignee: Akita UniversityInventors: Hitoshi Saito, Satoru Yoshimura
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Patent number: 8557020Abstract: 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: GrantFiled: March 2, 2011Date of Patent: October 15, 2013Assignees: Dowa Holdings Co., Ltd., Akita UniversityInventors: Fumio Hamada, Chun-Bin Li, Yoshihiko Kondo
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Patent number: 8500846Abstract: 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: GrantFiled: February 10, 2009Date of Patent: August 6, 2013Assignee: Akita UniversityInventors: Yoshihiko Kondo, Chun-bin Li, Manabu Yamada, Fumio Hamada
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Patent number: 8490209Abstract: 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: GrantFiled: August 9, 2010Date of Patent: July 16, 2013Assignee: Akita UniversityInventor: Hitoshi Saito
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Patent number: 8470478Abstract: 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: GrantFiled: February 4, 2011Date of Patent: June 25, 2013Assignee: Akita UniversityInventor: Yutaka Tsujiuchi
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Patent number: 8173046Abstract: 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: GrantFiled: June 2, 2008Date of Patent: May 8, 2012Assignees: Akita UniversityInventors: Mitsutoshi Jikei, Hajimu Yasuda, Hideo Yoshida
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Patent number: 8059640Abstract: 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: GrantFiled: December 20, 2007Date of Patent: November 15, 2011Assignee: National University Corporation Akita UniversityInventors: Hitoshi Obara, Masato Sakata
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Patent number: 8038969Abstract: 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: GrantFiled: June 6, 2007Date of Patent: October 18, 2011Assignee: National University Corporation Akita UniversityInventors: Yoshihiko Kondo, Atsushi Shibayama, Fumio Hamada, Manabu Yamada, Mitsuhiro Akama, Takanori Imai
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Patent number: 7927725Abstract: 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: GrantFiled: September 8, 2008Date of Patent: April 19, 2011Assignees: Showa Denko K.K., National University Corporation Akita UniversityInventors: Shunji Ishio, Hitoshi Saito, Takashi Hasegawa, Iwao Okamoto, Naoya Yamamoto