Patents Assigned to National Institute of Advanced Industrial
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Patent number: 11506583Abstract: A test method for characterizing the mechanical properties including the surface adhesion energy ? on the basis of the experimentally derived P-A relationship, where P means the indentation load under the penetration depth h of an indenter pressed onto a test specimen with surface adhesion, and A means the contact area of indentation at the contact radius a under the applied load of P. This test method enables the implementation for quantitatively as well as simultaneously characterizing the adhesion energy as well as the various mechanical properties (elastic/elastoplastic/viscoelastic properties) of soft materials.Type: GrantFiled: November 15, 2018Date of Patent: November 22, 2022Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Tatsuya Miyajima, Mototsugu Sakai
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Publication number: 20220360049Abstract: A semiconductor laser including: an optical resonator that has a first compound semiconductor layer containing an n-type impurity, a second compound semiconductor layer containing a p-type impurity, and a light-emitting layer provided between the first compound semiconductor layer and the second compound semiconductor layer; and a pulse injection means that injects excitation energy for a sub-nanosecond duration into the optical resonator, wherein the light-emitting layer has an at least five-period multiple quantum well structure, and the semiconductor laser generates optical pulses having a pulse width shorter than 2.5 times the photon lifetime in the optical resonator.Type: ApplicationFiled: August 21, 2020Publication date: November 10, 2022Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Takahiro NAKAMURA, Ryunosuke KURODA, Hidefumi AKIYAMA, Changsu KIM, Takashi ITO, Hidekazu NAKAMAE
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Publication number: 20220360044Abstract: A semiconductor laser including: an optical resonator that has a first compound semiconductor layer containing an n-type impurity, a second compound semiconductor layer containing a p-type impurity, and a light-emitting layer provided between the first compound semiconductor layer and the second compound semiconductor layer; and a pulse injection means that injects excitation energy for a sub-nanosecond duration into the optical resonator, wherein the optical resonator has a multi-section structure separated into at least one gain region and at least one absorption region, and the semiconductor laser generates optical pulses having a pulse width shorter than 2.5 times the photon lifetime in the optical resonator.Type: ApplicationFiled: August 21, 2020Publication date: November 10, 2022Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Takahiro NAKAMURA, Ryunosuke KURODA, Hidefumi AKIYAMA, Changsu KIM, Takashi ITO, Hidekazu NAKAMAE
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Patent number: 11493994Abstract: An input device, method, and system enabling a switch input operation of various equipment by moving a body part other than hands and feet. Input by body movement, such as a wink, is achieved by an input device including: a detector which includes a first contact electrode placed at a first position of a body part and a second contact electrode placed at a second position of the body part, the detector configured to measure a biological signal between the first contact electrode and the second contact electrode, and to detect a low-frequency component inclusive of the biological signal; and a discrimination processor configured to determine, based on a signal from the detector, presence or absence of an input movement of the body part in a vicinity of the first position, and/or presence or absence of an input movement of the body part in a vicinity of the second position.Type: GrantFiled: July 12, 2019Date of Patent: November 8, 2022Assignee: National Institute of Advanced Industrial Science and TechnologyInventor: Ryohei Hasegawa
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Publication number: 20220341053Abstract: The plating machine 1 comprises a plurality of treatment units 14 and a conveying means 13 that conveys a wafer W to the plurality of treatment units 14, wherein the conveying means 13 includes an arm 31 that is provided, on one end side, with a plating tool 32 that holds the wafer W, and an arm rotation drive unit 33 that rotates the arm 31 around another end side of the arm 31, and the plurality of treatment units 14 is arranged at predetermined intervals on a rotation trajectory of the plating tool 32.Type: ApplicationFiled: April 12, 2022Publication date: October 27, 2022Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Shiro HARA, Fumito IMURA, Sommawan KHUMPUANG, Yuuki ISHIDA, Toshihiro KIKUNO, Takafumi YOSHINAGA, Kayo KAMASAKI, Mitsuhiko FUKUYAMA, Tetuya MORIZONO
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Publication number: 20220336117Abstract: As a sintered body for a radiation shielding material, which can effectively shield mainly low-energy-level neutrons, that is, thermal neutrons and lower, slow neutrons, and has excellent physical properties such as bending strength and Vickers hardness, leading to high machining strength, a sintered body for a radiation shielding material comprising LiF ranging between 99 wt. % to 5 wt. %, and one or more fluorides selected from among MgF2, CaF2, AlF3, KF, NaF, and/or YF3 ranging between 1 wt. % to 95 wt. %, having physical properties of a relative density of 92% or more, a bending strength of 50 MPa or more, and a Vickers hardness of 100 or more, is provided.Type: ApplicationFiled: August 20, 2021Publication date: October 20, 2022Applicants: UNIVERSITY OF TSUKUBA, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, DAICO MFG CO., LTD.Inventors: Hiroaki KUMADA, Naoyuki KITAMURA, Tetsuyuki NAKAMURA, Takeshi IKEDA
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Patent number: 11473219Abstract: The present application provides methods for producing polybenzimidazole carbon fiber that does not require infusibilization treatment.Type: GrantFiled: October 21, 2019Date of Patent: October 18, 2022Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Toshihira Irisawa, Hiroaki Hatori, Yasushi Soneda, Masaya Kodama
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Publication number: 20220320527Abstract: This electrode comprises: an electrode component containing a columnar structure; and a porous collector layer that is prepared on the electrode component. The columnar structure comprises a multiple columnar sections, the lateral surfaces of which are at least partially in contact with each other. Each columnar part section is provided with a multilayer part wherein different inorganic compound layers are stacked. In addition, the columnar structure comprises two or more adjacent columnar sections, which are different from each other in the stacking direction of the multilayer part. For example, each columnar section has a width of 10 nm to 100 nm, and each inorganic compound layer has a thickness of 1 nm to 10 nm.Type: ApplicationFiled: July 15, 2020Publication date: October 6, 2022Applicant: National Institute of Advanced Industrial Science and TechnologyInventors: Tomohiro Ishiyama, Develos Katherine Bagarinao, Haruo Kishimoto, Katsuhiko Yamaji
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Publication number: 20220320578Abstract: Provided is a novel solid electrolyte material of high density and high ionic conductivity, and an all-solid-state lithium ion secondary battery that utilizes the solid electrolyte material. The solid electrolyte material has a chemical composition represented by Li7-3xGaxLa3Zr2O12 (0.08?x<0.5), has a relative density of 99% or higher, belongs to space group I-43d, in the cubic system, and has a garnet-type structure. The lithium ion conductivity of the solid electrolyte material is 2.0×10?3 S/cm or higher. The solid electrolyte material has a lattice constant a such that 1.29 nm?a?1.30 nm, and lithium ions occupy the 12a site, the 12b site and two types of 48e site, and gallium occupies the 12a site and the 12b site, in the crystal structure. The all-solid-state lithium ion secondary battery has a positive electrode, a negative electrode, and a solid electrolyte. The solid electrolyte is made up of the solid electrolyte material of the present invention.Type: ApplicationFiled: June 26, 2020Publication date: October 6, 2022Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Kunimitsu KATAOKA, Junji AKIMOTO, Yuso ISHIDA, Tomoki ARIGA
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Patent number: 11459646Abstract: The purpose of the present invention is to provide: a new magnetic material which exhibits high magnetic stability and excellent oxidation resistance and which can achieve both significantly higher saturation magnetization and lower coercive force than a conventional ferrite-based magnetic material by using a magnetic material obtained by nanodispersing ?-(Fe,M) phases and M component-enriched phases (here, the M component is at least one component selected from among Zr, Hf, V, Nb, Ta, Cr, Mo, W, Cu, Zn and Si); and a method for producing same. This magnetic material powder exhibits high moldability, and is such that ?-(Fe, M) phases and M-enriched phases are nanodispersed by chemically reducing M-ferrite nanoparticles, which are obtained by means of wet synthesis, in hydrogen and utilizing phase separation by means of a disproportionation reaction while simultaneously carrying out grain growth. Furthermore, a solid magnetic material is obtained by sintering this powder.Type: GrantFiled: September 20, 2018Date of Patent: October 4, 2022Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Nobuyoshi Imaoka, Shinpei Yamamoto, Kimihiro Ozaki
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Publication number: 20220305505Abstract: Provided in the present disclosure is a spray ionization device comprising: a first tube that has a first flow path in which a liquid can flow, the first tube having a first outlet on one end thereof from which the liquid is sprayed; a second tube that surrounds the first tube with a gap therebetween and has a second flow path in which a gas can flow, the second tube having a second outlet on the one end thereof and the second flow path being defined by the outer peripheral surface of the first tube and the inner peripheral surface of the second tube; and an electrode contacting the liquid flowing through the first flow path, the electrode being able to apply a voltage to the liquid by means of a power source connected to the electrode, wherein charged droplets of the liquid can be sprayed from the second outlet.Type: ApplicationFiled: April 15, 2020Publication date: September 29, 2022Applicant: National Institute of Advanced Industrial Science and TechnologyInventors: Shinichiro Fujii, Kazumi Inagaki, Shinichi Miyashita
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Patent number: 11453057Abstract: A samarium-iron-nitrogen alloy powder according to one embodiment of the present invention is characterized in that a value obtained by dividing the hydrogen content of the samarium-iron-nitrogen alloy powder by the BET specific surface area of the samarium-iron-nitrogen alloy powder is less than or equal to 400 ppm/(m2/g), and a value obtained by dividing the oxygen content of the samarium-iron-nitrogen alloy powder by the BET specific surface area of the samarium-iron-nitrogen alloy powder is less than or equal to 11,000 ppm/(m2/g).Type: GrantFiled: February 28, 2017Date of Patent: September 27, 2022Assignees: National Institute of Advanced Industrial Science and Technology, TDK CorporationInventors: Shusuke Okada, Kazuyuki Suzuki, Kenta Takagi, Kimihiro Ozaki, Yasushi Enokido
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Publication number: 20220298499Abstract: An artificial gene has a 15N abundance exceeding a natural abundance in bases of at least a portion of DNA. A method for mutating a gene includes a first step of producing a state in which 15N is unevenly distributed into a prescribed DNA in a living cell; and a second step of irradiation with a proton beam at an energy at which the 15N produces a resonant nuclear reaction.Type: ApplicationFiled: August 7, 2020Publication date: September 22, 2022Applicants: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, UNIVERSITY OF TSUKUBAInventors: Yasushi IWATA, Kanako TOMITA, Iwane SUZUKI, Ryo MORIOKA, Tianjing YANG
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Patent number: 11451211Abstract: A gallium nitride structure that includes: a substrate; a gallium nitride layer opposed to the substrate and containing gallium nitride as a main component thereof; and a first electrode between the gallium nitride layer and the substrate. The first electrode includes at least one hafnium layer containing a single metal of hafnium as a main component thereof, and the at least one hafnium layer is in contact with the gallium nitride layer.Type: GrantFiled: September 10, 2018Date of Patent: September 20, 2022Assignees: MURATA MANUFACTURING CO., LTD., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Keiichi Umeda, Takaaki Mizuno, Yasuhiro Aida, Masato Uehara, Toshimi Nagase, Morito Akiyama
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Patent number: 11445957Abstract: A physiological condition assessing method includes: acquiring a driving-time physiological data measured when a subject is driving a vehicle; acquiring a driving-characteristic data indicating driving characteristics; acquiring a period driving-time physiological data, a period driving-characteristic data and period non-driving-time physiological data corresponding to a first period including the measurement time point of the driving-time physiological data and the measurement time point of the driving-characteristic data, and a second period having a different length to the first period; generating a driving-time physiological feature from the driving-time physiological data and the period driving-time physiological data; generating a driving-characteristic feature; generating a non-driving-time physiological feature quantity; and assessing a physiological condition of the subject, from the non-driving-time physiological feature and at least one of the driving-time physiological feature and the driving-charType: GrantFiled: July 5, 2017Date of Patent: September 20, 2022Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Hidehiko Komine, Satoshi Kitazaki, Motoyuki Akamatsu
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Patent number: 11448634Abstract: An analysis apparatus (100) includes an image acquisition unit (110) and an analysis unit (120). The image acquisition unit (110) acquires image data of a microfossil in a sample collected from a stratum. The analysis unit (120) analyzes the image data acquired by the image acquisition unit (110) using a machine learning result to analyze a taxon or kind of the microfossil in the image data.Type: GrantFiled: May 10, 2018Date of Patent: September 20, 2022Assignees: NEC CORPORATION, JAPAN AGENCY FOR MARINE-EARTH SCIENCE AND TECHNOLOGY, NATIONAL UNIVERSITY CORPORATION KOCHI UNIVERSITY, National Institute of Advanced Industrial Science and TechnologyInventors: Yousuke Taira, Naoki Kuwamori, Tatsuhiko Hoshino, Jonaotaro Onodera, Tatsuhiko Yamaguchi, Kyoko Tomioka, Takuya Itaki
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Publication number: 20220291153Abstract: An orientation degree distribution analysis method of the present invention includes steps of: inputting crystal structure information of an object to be measured, information on an intensity ratio of each diffraction peak and a crystal plane corresponding to each diffraction peak by X-ray diffraction measurement, information on a diffraction range and diffraction sensitivity, and an intensity ratio of each diffraction peak of a randomly oriented sample to a main storage device; calculating an angle formed by an orientation plane and a crystal plane corresponding to the diffraction peak of interest from the information stored in the main storage device in the step; calculating an existence ratio and storing the existence ratio in the main storage device; setting an orientation degree distribution function; and calculating an orientation degree distribution from the information of the input step and the calculation step.Type: ApplicationFiled: August 11, 2020Publication date: September 15, 2022Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Rikio SODA, Kimihiro OZAKI
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Patent number: 11440800Abstract: The invention has for its object to provide an aqueous solution for structural separation capable of acting on carbon nanotubes (CNTs) having a specific structure thereby separating them with high accuracy, a separation and recovery method capable of allowing the aqueous solution to act on CNTs having a specific structure thereby separating and recovering them, and CNTs obtained by the separation and recovery method. According to the invention, it is possible to separate CNTs having a specific structure with high accuracy by solubilizing lithocholic acid or a lithocolic acid isomer that has high hydrophobicity and is insoluble in water by itself, and a carbon nanotube obtained by using an aqueous solution containing lithocholic acid or a lithocholic acid isomer, each solubilized, as an aqueous solution for structural separation of CNTs.Type: GrantFiled: July 25, 2019Date of Patent: September 13, 2022Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Takeshi Tanaka, Yohei Yomogida, Hiromichi Kataura
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Publication number: 20220283083Abstract: Disclosed is an analytical method for analyzing a test substance contained in a measurement sample, the method comprising: generating a data set based on a plurality of optical spectra acquired from a plurality of locations in the measurement sample; inputting the data set into a deep learning algorithm having a neural network structure; and outputting information on the test substance, on the basis of an analytical result from the deep learning algorithm.Type: ApplicationFiled: March 4, 2022Publication date: September 8, 2022Applicants: SYSMEX CORPORATION, OSAKA UNIVERSITY, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Masaya OKADA, Yuki SHIMAOKA, Shigeki IWANAGA, Kazuki BANDO, Katsumasa FUJITA, Yasunori NAWA, Satoshi FUJITA
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Publication number: 20220283154Abstract: Disclosed is a preparation method for preparing a measurement sample comprising an aggregate of metal nanoparticles having an analyte bound thereto, the preparation method comprising: contacting the analyte with a linker to bind the analyte to the linker; and contacting the linker that has been bound to the analyte with the metal nanoparticles to bind the linker to the metal nanoparticles.Type: ApplicationFiled: March 4, 2022Publication date: September 8, 2022Applicants: SYSMEX CORPORATION, OSAKA UNIVERSITY, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Yuki SHIMAOKA, Masaya Okada, Shigeki Iwanaga, Kazuki Bando, Katsumasa Fujita, Yasunori Nawa, Satoshi Fujita