Patents Assigned to Advanced Industrial Science and Technology
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Publication number: 20240332281Abstract: A destructive breakdown mode that leads to the destruction of a device is suppressed, in the case where a gallium nitride-based high electron mobility transistor is used as a power device. A diode is connected in antiparallel to a HEMT, and this antiparallel connected diode is designed such that an avalanche breakdown occurs therein before the drain-source voltage, which is the difference between the drain potential applied to a drain electrode and the source potential applied to a source electrode, exceeds the withstand voltage of the HEMT.Type: ApplicationFiled: June 7, 2024Publication date: October 3, 2024Applicant: National Institute of Advanced Industrial Science and TechnologyInventors: Akira NAKAJIMA, Shinsuke HARADA, Kazutoshi KOJIMA
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Publication number: 20240318003Abstract: Provided is a compound with a high biomass ratio (preferably a compound with a biomass ratio of 100%) obtained by using a natural pigment and having excellent color developability and light resistance. The compound is a compound in which a natural pigment of curcumin is bound to an organic acid has a number average molecular weight (Mn) of 400 to 4,950.Type: ApplicationFiled: June 20, 2022Publication date: September 26, 2024Applicants: DIC Corporation, National Institute of Advanced Industrial Science and TechnologyInventors: Takahiko Ootsubo, Hitoshi Sekine, Atsushi Yamamoto, Koji Nemoto, Masaru Yoshida, Masanori Tamura
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Patent number: 12102007Abstract: This thermoelectric conversion module is formed by electrically connecting, by a conductive member, one end of an n-type thermoelectric conversion element having a negative Seebeck coefficient and having a half-Heusler structure to one end of a p-type thermoelectric conversion element containing an oxide having a positive Seebeck coefficient at a temperature of 25° C. or higher. The conductive member is connected to the n-type thermoelectric conversion element and the p-type thermoelectric conversion element through a connection layer containing a conductive metal comprising silver, and the connection layer is characterized by further containing an oxide to reduce the bond resistance between the n-type thermoelectric conversion element and/or the p-type thermoelectric conversion element.Type: GrantFiled: January 26, 2021Date of Patent: September 24, 2024Assignee: National Institute of Advanced Industrial Science and TechnologyInventor: Ryoji Funahashi
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Patent number: 12066507Abstract: Proposed is a phase shift introduction method, a structure, and a circuit device for eliminating or minimizing a risk associated with dissimilar materials, solving in principle a problem of mixing of a signal current and a control current that occurs due to DC connection of a phase shifter to a signal line, and stably and reliably providing a phase shift that is desired to be introduced without being adversely effected by noise generated by an ambient magnetic field, which is generated due to use of an external power supply. A structure according to the present invention includes a phase shifter 101 and a closed-loop circuit 103 that is directly used for computation or storage, and a quantum phase shift is generated in the closed-loop circuit 103 by using a fractional flux quantum captured by the phase shifter 101 that is DC-separated from the closed-loop circuit 103.Type: GrantFiled: November 26, 2020Date of Patent: August 20, 2024Assignees: National Institute of Advanced Industrial Science and Technology, NATIONAL INSTITUTE FOR MATERIALS SCIENCE, Tokyo University of Science FoundationInventors: Yasumoto Tanaka, Hirotake Yamamori, Takashi Yanagisawa, Shunichi Arisawa, Taichiro Nishio
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Publication number: 20240275012Abstract: An object is to provide a stepped impedance resonator capable of efficiently reducing a footprint. A resonator includes a coplanar waveguide and a section. The coplanar waveguide has a first impedance. The section has a second impedance different from the first impedance and includes a fishbone waveguide. The resonator is configured as a stepped impedance resonator in which the coplanar waveguide and the section including the fishbone waveguide are connected in series.Type: ApplicationFiled: February 12, 2024Publication date: August 15, 2024Applicants: NEC CORPORATION, National Institute of Advanced Industrial Science and TechnologyInventors: Yohei KAWAKAMI, Tomohiro Yamaji, Yoshiro Urade, Aiko Yamaguchi
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Publication number: 20240266351Abstract: A semiconductor device includes, on an n-type semiconductor substrate, a power transistor, an n-type transistor, and a p-type transistor on a laminated semiconductor substrate that laminates an n-type drift layer, a p-type; the power transistor has a trench gate electrode penetrating through the base layer; the p-type transistor is formed in an n-type well region formed in the base layer, and the n-type transistor is formed in a p-type well region further formed in the base layer or n-type well region; and a p-type impurity concentration of the buried channel region of the p-type transistor is equal to a p-type impurity concentration of the base layer.Type: ApplicationFiled: April 28, 2022Publication date: August 8, 2024Applicant: National Institute of Advanced Industrial Science and TechnologyInventors: Mitsuo OKAMOTO, Atsushi YAO, Hiroshi SATO, Shinsuke HARADA
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Patent number: 12030122Abstract: Provided is a method of manufacturing a soft magnetic dust core. The method includes: preparing coated powder including amorphous powder made of an Fe-B-Si-P-C-Cu-based alloy, an Fe-B-P-C-Cu-based alloy, an Fe-B-Si-P-Cu-based alloy, or an Fe-B-P-Cu-based alloy, with a first initial crystallization temperature Tx1 and a second initial crystallization temperature Tx2; and a coating formed on a surface of particles of the amorphous powder; applying a compacting pressure to the coated powder or a mixture of the coated powder and the amorphous powder at a temperature equal to or lower than Tx1?100 K; and heating to a maximum end-point temperature equal to or higher than Tx1?50 K and lower than Tx2 with the compacting pressure being applied.Type: GrantFiled: October 21, 2020Date of Patent: July 9, 2024Assignees: JFE STEEL CORPORATION, TOKIN CORPORATION, National Institute of Advanced Industrial Science and TechnologyInventors: Naomichi Nakamura, Makoto Nakaseko, Takuya Takashita, Mineo Muraki, Hoshiaki Terao, Raita Wada, Akiri Urata, Yu Kanamori, Makoto Yamaki, Koichi Okamoto, Toshinori Tsuda, Shoichi Sato, Kimihiro Ozaki
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Patent number: 12024532Abstract: The present invention provides a method for producing a silanol compound capable of efficiently producing a silanol compound. The method for producing a silanol compound includes a proton exchange step of forming a silanol compound having a structure represented by following formula (c) by reacting a silicate having a structure represented by following formula (a) with an acidic compound having an acid dissociation constant pKa of ?1 to 20 in dimethyl sulfoxide (DMSO). (In formula (a), Qi+ represents an i-valent cation and i represents an integer of 1 to 4).Type: GrantFiled: September 10, 2021Date of Patent: July 2, 2024Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Masayasu Igarashi, Kazuhiko Sato, Fujio Yagihashi, Tomohiro Matsumoto, Takeshi Nozawa, Shigeru Shimada
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Publication number: 20240202560Abstract: A magnetic flux bias circuit includes an input signal line to which an input signal indicating an applied magnetic flux using a digital value is input, a first current control line, a second current control line, and a third current control line to which a clock signal according to the input signal is input, a digital/analog conversion unit converting the input signal into an analog signal using a circuit including a quantum flux parametron circuit on the basis of the input signal input to the input signal line and the clock signal input to the first current control line, the second current control line, and the third current control line, and a magnetic flux application unit applying an applied magnetic flux to a controlled object on the basis of the analog signal output from the digital/analog conversion unit.Type: ApplicationFiled: April 13, 2022Publication date: June 20, 2024Applicants: NEC CORPORATION, National Institute of Advanced Industrial Science and TechnologyInventors: Naoki TAKEUCHI, Nobuyuki YOSHIKAWA, Yoshihito HASHIMOTO, Tsuyoshi YAMAMOTO, Fuminori HIRAYAMA
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Patent number: 12012432Abstract: A nucleic acid complex includes a single-stranded nucleic acid and a cross-linked double-stranded nucleic acid including the first nucleic acid strand linked to at least one of the 5? end and the 3? end of the single-stranded nucleic acid and the second nucleic acid strand including a base sequence that is completely or sufficiently complementary to the first nucleic acid strand.Type: GrantFiled: August 17, 2020Date of Patent: June 18, 2024Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Yasuo Komatsu, Yu Hirano, Yasuhiro Mie
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Publication number: 20240186037Abstract: The present invention addresses the problem of providing: a novel magnetic material for high frequency use, the magnetic material solving problems such as eddy current loss since the magnetic material has higher electrical resistivity than metal magnetic materials, while having higher magnetic permeability than ferrite magnetic materials; and a method for producing this magnetic material for high frequency use. The present invention uses a rare earth-iron-M-nitrogen magnetic material (wherein M represents at least one element that is selected from among Ti, V, Mo, Nb, W, Si, Al, Mn and Cr) which is a nitride magnetic material that has a controlled crystal structure and a controlled composition.Type: ApplicationFiled: March 22, 2022Publication date: June 6, 2024Applicant: National Institute of Advanced Industrial Science and TechnologyInventors: Nobuyoshi IMAOKA, Kimihiro OZAKI, Tatsuya KON
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Publication number: 20240166918Abstract: An embodiment of the present invention relates to a bonded object or a method for manufacturing a bonded object, the bonded object having bases bonded therein while placing an adhesive layer in between, the adhesive layer being obtained from a fluororubber composition that contains at least one fluororubber selected from fluoroelastomer (FKM) and perfluoroelastomer (FFKM), and has a Mooney viscosity (ML 1+10) at 121° C., measured in accordance with ASTM D1646, of 80 to 115.Type: ApplicationFiled: March 25, 2022Publication date: May 23, 2024Applicants: VALQUA, LTD., National Institute of Advanced Industrial Science and TechnologyInventors: Naoki Watanabe, Yoshihiro Setoguchi, Takafumi Aizawa
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Publication number: 20240158605Abstract: An elastomer composition contains a solvent in a proportion of not less than 1 part by mass and less than 60 parts by mass per 100 parts by mass of an elastomer. The solvent includes an organic solvent A having high affinity with carbon nanotubes and having a boiling point of 200° C. or lower and an organic solvent B having high affinity with the elastomer and having a boiling point of 200° C. or lower. The solvent results in the elastomer having a volume swelling degree of 150% or more and has a relative energy difference (REDCNT) of 1.5 or less.Type: ApplicationFiled: March 30, 2022Publication date: May 16, 2024Applicants: ZEON CORPORATION, National Institute of Advanced Industrial Science and TechnologyInventors: Yoshihisa TAKEYAMA, Masahiro UENO, Ryoichi KISHI, Ken KOKUBO, Takeo YAMADA
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Patent number: 11963794Abstract: The problem is to provide a probe holder for fixing, using a simple configuration, a plurality of probes in a state in which the positional relationships of the probes are defined. To solve the problem, provided is a probe holder for holding probes for emitting or detecting light and attaching the probes to the head of a subject, the probe holder including: a plurality of basic units each holding three of the probes with a single plate; and a plurality of couplers each linking a respective one of the three of the probes and adjacent probes to form a plurality of adjacent probes that are linked at a point equidistant from the plurality of adjacent probes, each probe in the plurality of adjacent probes being included in a different one of the plurality of basic units.Type: GrantFiled: December 20, 2019Date of Patent: April 23, 2024Assignee: National Institute of Advanced Industrial Science and TechnologyInventor: Toru Yamada
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Publication number: 20240125518Abstract: Provided are an infrared absorber having extremely low reflectivity in the wavelength band of infrared rays, a method for manufacturing the same, a black-body radiation device, and a radiative cooling device. Provided is an infrared absorber 10 provided with: an absorption layer 11 comprising carbon black and a resin; and, on the absorption layer 11, a surface layer 12 that comprises a resin including essentially no pigment and that has an optical confinement structure 13 in which a plurality of minute projections are formed on the surface thereof, the hemispherical total reflectivity of the infrared absorber 10 in infrared wavelengths of 5-15 ?m being 0.2% or less. Further provided are a method for manufacturing the infrared absorber, a black-body radiation device, and a radiative cooling device.Type: ApplicationFiled: February 1, 2022Publication date: April 18, 2024Applicant: National Institute of Advanced Industrial Science and TechnologyInventors: Kuniaki Amemiya, Yuhei Shimizu
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Patent number: 11962018Abstract: An electrochemical oxygen reduction catalyst comprising platinum-containing nanoparticles and at least one member selected from the group consisting of a melamine compound, a thiocyanuric acid compound, and a polymer containing the melamine compound or the thiocyanuric acid compound as a monomer is an electrochemical oxygen reduction catalyst having a high oxygen reduction activity (small overvoltage).Type: GrantFiled: May 15, 2019Date of Patent: April 16, 2024Assignee: National Institute of Advanced Industrial Science and TechnologyInventor: Masafumi Asahi
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Publication number: 20240104768Abstract: An article detection device includes: an image acquiring unit acquiring a surroundings image; a first information image preparing unit preparing a first information image by converting information on a load/unloading target portion of the article to an easily recognizable state based on the surroundings image; a first calculation unit calculating at least one of a position and a posture of the load/unloading target portion; a second information image preparing unit preparing a second information image by converting information on a pitch angle detection portion of the article to an easily recognizable state; and a second calculation unit configured extracting at least two edge candidates for the article extending in a specific direction and included in the second information image based on a calculation result from the first calculation unit and calculating a three-dimensional direction vector indicating a pitch angle of the article from the edge candidates.Type: ApplicationFiled: September 26, 2023Publication date: March 28, 2024Applicants: National Institute of Advanced Industrial Science and Technology, KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Nobuyuki KITA, Takuro Kato, Daisuke Okabe, Eiichi Yoshida, Yukikazu Koide, Norihiko Kato, Naoya Yokomachi, Tatsuya Komuro
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Patent number: 11930584Abstract: A plasma actuator includes: a dielectric layer; a first electrode provided on the obverse surface of the dielectric layer; a second electrode provided, on the reverse-surface side of the dielectric layer, in one direction from the first electrode; a floating conductor pair that is provided between the first electrode and the second electrode and that has an obverse-surface conductor provided on the obverse surface of the dielectric layer and a reverse-surface conductor provided on the reverse-surface side of the dielectric layer, the obverse-surface conductor and the reverse-surface conductor being electrically connected to each other, electrically insulated from the first electrode and the second electrode, and positioned in the order of the reverse-surface conductor and the obverse-surface conductor in the one direction from the first electrode in plan view; and a power source connected to the first electrode and the second electrode.Type: GrantFiled: August 21, 2020Date of Patent: March 12, 2024Assignee: National Institute of Advanced Industrial Science and TechnologyInventor: Takehiko Segawa
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Publication number: 20240079687Abstract: Provided are a power generation method and a power generating element capable of obtaining an electromotive force by utilizing humidity variation in an environment and having excellent operation stability. An aqueous solution of an ionic compound having deliquescence is separated by an ion permeable membrane, electrodes are inserted into the aqueous solution on both sides of the ion permeable membrane, one is blocked from outside air and sealed, and the other is connected to the outside air, and a difference in ion concentration derived from the ionic compound in the aqueous solution is generated across the ion permeable membrane due to a change in humidity in the outside air to generate an electromotive force between the electrodes.Type: ApplicationFiled: October 13, 2021Publication date: March 7, 2024Applicant: National Institute of Advanced Industrial Science and TechnologyInventors: Yusuke Komazaki, Kenji Kanazawa, Taiki Nobeshima, Hirotada Hirama, Yuichi Watanabe, Sei Uemura
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Patent number: 11911130Abstract: A device including a measuring unit having probes for emitting or detecting light with optical attenuators at points forming a regular triangle, and a control unit to: set transmittances of the attenuators so that an amount of light from the probes becomes a desired value; identify, among three channels, a first channel having a maximum light amount; perform detection in second and third channels between first and second probes of the first channel and a third probe; adjust transmittance of the attenuator of the first or the second probe of the channel having a smaller light amount so that light amounts in the second and the third channels become equal; adjust transmittance of the attenuator of the third probe so that the light amount of the second or the third channel becomes equal to the light amount of the first channel; and perform measurement with all transmittances after adjustments maintained.Type: GrantFiled: December 20, 2019Date of Patent: February 27, 2024Assignee: National Institute of Advanced Industrial Science and TechnologyInventor: Toru Yamada