Patents Assigned to Akita University
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Publication number: 20220228048Abstract: An object of the present invention is to provide an environmentally friendly drilling fluid that has excellent cuttings transport capability and excellent hole cleaning capability. A drilling fluid according to the present disclosure is a drilling fluid containing water, biodegradable fibers, and a thickener. The thickener contains a biodegradable polysaccharide. The content of the biodegradable polysaccharide in the drilling fluid is greater than or equal to 0.01 g/L and less than or equal to 5 g/L.Type: ApplicationFiled: June 4, 2020Publication date: July 21, 2022Applicants: AKITA UNIVERSITY, KANEKA CORPORATIONInventors: Shigemi NAGANAWA, Ryutaro MUKAI
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Publication number: 20220073722Abstract: 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: ApplicationFiled: December 27, 2019Publication date: March 10, 2022Applicants: 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: 10790086Abstract: Provided is a method of manufacturing a metal nano coil which is suitable for mass production and results in a lower manufacturing cost. The method of manufacturing a metal nano coil includes the steps of: forming, with tension applied to a core member composed of nanofiber of a polymer, a metal thin film on a surface of the core member to fabricate a metal-covered nanofiber; reducing the tension of the metal-covered nanofiber; and heating, with the tension reduced, the metal-covered nanofiber to at or above a boiling point or a thermal decomposition temperature of the polymer and at or below the melting point of the metal thin film to vaporize the core member and shrink the metal thin film into a coil form, so that a hollow metal nano coil is produced.Type: GrantFiled: February 9, 2016Date of Patent: September 29, 2020Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., AKITA UNIVERSITY, TSUCHIYA CO., LTD.Inventors: Mikio Muraoka, Nobuyuki Kamihara, Naomoto Ishikawa, Toshiyuki Takayanagi, Hideki Horizono, Hiroaki Hayashi, Osamu Yoshida, Kotaro Tsuji
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Patent number: 10647892Abstract: Provided is an adhesive that can provide quick bonding between thermoplastic resins and excellent bond strength, a structure having adhesion provided by the adhesive, and an adhesion method using the adhesive. The adhesive bonds a first member (11) containing a thermoplastic resin or a carbon fiber reinforced thermoplastic resin and a second member (12) containing the thermoplastic resin or the carbon fiber reinforced thermoplastic resin. The adhesive includes a thermoplastic resin as a main component containing a metal nano material that absorbs electromagnetic waves and generates heat.Type: GrantFiled: February 9, 2016Date of Patent: May 12, 2020Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., AKITA UNIVERSITY, TSUCHIYA CO., LTD.Inventors: Toshiyuki Takayanagi, Naomoto Ishikawa, Hideki Horizono, Nobuyuki Kamihara, Mikio Muraoka, Hiroaki Hayashi, Osamu Yoshida, Kotaro Tsuji
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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: 20190169415Abstract: 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: ApplicationFiled: August 8, 2017Publication date: June 6, 2019Applicants: AKITA UNIVERSITY, DAIKIN INDUSTRIES, LTD.Inventors: Kazuya MATSUMOTO, Mitsutoshi JIKEI, Sumito YAMAKAWA, Tadatake SAKURADA, Fumihiro KAMIYA, Tsuyoshi NOGUCHI
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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: 10046220Abstract: A swing analysis device for analyzing a swing of a ball hitting tool includes: an information input unit configured to receive input of acceleration information and angular velocity information detected by a sensor attached to the ball hitting tool; a posture calculation unit configured to calculate posture information of the ball hitting tool in the swing by applying a predetermined filter to the acceleration information and the angular velocity information; a correction unit configured to correct the posture information of the ball hitting tool in the swing based on the posture information of the ball hitting tool at a first time in the swing; and a swing information calculation unit configured to calculate a swing trajectory of the ball hitting tool based on the acceleration information and the posture information of the ball hitting tool corrected by the correction unit.Type: GrantFiled: June 8, 2016Date of Patent: August 14, 2018Assignees: MIZUNO CORPORATION, AKITA UNIVERSITYInventors: Shohei Shibata, Takeshi Naruo, Kiyoshi Hirose
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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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Publication number: 20180030246Abstract: 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: ApplicationFiled: February 17, 2016Publication date: February 1, 2018Applicants: AKITA UNIVERSITY, DAIKIN INDUSTRIES, LTD.Inventors: Kazuya MATSUMOTO, Mitsutoshi JIKEI, Kunio NISHI, Tsuyoshi NOGUCHI, Fumihiro KAMIYA
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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: 9482692Abstract: A magnetic field measuring device including: a vibrational probe unit having a probe that includes one or more material(s) whose intensity of magnetization is proportionate to an external magnetic field, a mechanical vibration source for the probe; a vibration detector detecting a vibration frequency and amplitude of the probe; an alternating-current magnetic field generator applying to the probe an alternating-current magnetic field; a direct-current external magnetic field generator applying a direct-current external magnetic field to the probe; a frequency modulation detector detecting frequency modulation occurring to the mechanical vibration of the probe; a direct-current external magnetic field controller adjusting the intensity of the direct-current external magnetic field applied to the probe; and a direct-current magnetic field determination unit determining a value of the direct-current magnetic field originating from a specimen.Type: GrantFiled: March 28, 2014Date of Patent: November 1, 2016Assignees: AKITA UNIVERSITY, OSAKA UNIVERSITYInventors: Hitoshi Saito, Satoru Yoshimura, Yukinori Kinoshita, Hikaru Nomura, Ryoichi Nakatani
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Publication number: 20160228158Abstract: A spine immobilization tool that can control the movement of the spine with improved safety as a spine immobilization tool that includes a first covering portion, a second covering portion, and a joint portion. The first covering portion covers at least a part of a vertebral arch of a vertebra at a head-side among the adjacent vertebrae, and thus can be fixed to the vertebra. The second covering portion covers at least a part of a vertebral arch of a vertebra at a buttock side amongst the adjacent vertebrae, and thus can be fixed to the vertebra. The joint portion couples the first covering portion and the second covering portion together while allowing changing relative positions of the first covering portion and the second covering portion.Type: ApplicationFiled: April 14, 2016Publication date: August 11, 2016Applicant: AKITA UNIVERSITYInventor: Taku SUGAWARA
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Patent number: 9279523Abstract: 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: GrantFiled: December 26, 2012Date of Patent: March 8, 2016Assignees: YOSHIDA ANNY CO. LTD., AKITA UNIVERSITYInventors: Yoshimi Komatsu, Yoshihiro Yoshida
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Patent number: 9222914Abstract: 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: GrantFiled: September 25, 2012Date of Patent: December 29, 2015Assignee: AKITA UNIVERSITYInventors: Hitoshi Saito, Satoru Yoshimura
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Publication number: 20150292037Abstract: 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: ApplicationFiled: June 24, 2015Publication date: October 15, 2015Applicant: NATIONAL UNIVERSITY CORPORATION AKITA UNIVERSITYInventors: Satoru MOTOYAMA, Masatomo MIURA, Junichi OGAWA
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Patent number: 9125693Abstract: Provided are: a screw guide template, screw guide template system, and drilling method whereby a hole can be drilled in an accurate position of a member to be drilled, in an accurate direction; and a spinal fixation method whereby a spinal fixation screw can be inserted into an accurate position in an accurate direction. The screw guide template (20) comprises: a close-contact face (21) to be closely contacted to the member; and a through hole (22) having one opening (23a) on the close-contact face; the close-contact face has a shape in male-female relation with a surface shape (31) of the member including a portion (32) to be drilled; and when the close-contact face is closely contacted to the portion to be drilled, the opening and portion to be drilled overlap each other so that the through hole is coaxial with the hole to be drilled by the drilling means.Type: GrantFiled: May 30, 2011Date of Patent: September 8, 2015Assignees: AKITA UNIVERSITY, ONO & CO., LTD.Inventors: Taku Sugawara, Kazuo Mizoi, Naoki Higashiyama, Hidenori Ono, Hisayuki Sugiyama
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Publication number: 20150233902Abstract: 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: ApplicationFiled: February 20, 2014Publication date: August 20, 2015Applicants: AKITA UNIVERSITY, GOVERNOR OF AKITA PREFECTUREInventors: Yoichi Akagami, Masami Kagaya, Ryuta Nakamura, Hiroshi Ikeda, Yoshihiro Minamiya, Hiroshi Nanjo
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Patent number: 9096904Abstract: 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: May 27, 2010Date of Patent: August 4, 2015Assignee: NATIONAL UNIVERSITY CORPORATION AKITA UNIVERSITYInventors: Satoru Motoyama, Masatomo Miura, Junichi Ogawa