Patents Assigned to Advanced Industrial Science and Technology
  • Publication number: 20240332281
    Abstract: 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: Application
    Filed: June 7, 2024
    Publication date: October 3, 2024
    Applicant: National Institute of Advanced Industrial Science and Technology
    Inventors: Akira NAKAJIMA, Shinsuke HARADA, Kazutoshi KOJIMA
  • Publication number: 20240318003
    Abstract: 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: Application
    Filed: June 20, 2022
    Publication date: September 26, 2024
    Applicants: DIC Corporation, National Institute of Advanced Industrial Science and Technology
    Inventors: Takahiko Ootsubo, Hitoshi Sekine, Atsushi Yamamoto, Koji Nemoto, Masaru Yoshida, Masanori Tamura
  • Patent number: 12102007
    Abstract: 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: Grant
    Filed: January 26, 2021
    Date of Patent: September 24, 2024
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventor: Ryoji Funahashi
  • Patent number: 12066507
    Abstract: 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: Grant
    Filed: November 26, 2020
    Date of Patent: August 20, 2024
    Assignees: National Institute of Advanced Industrial Science and Technology, NATIONAL INSTITUTE FOR MATERIALS SCIENCE, Tokyo University of Science Foundation
    Inventors: Yasumoto Tanaka, Hirotake Yamamori, Takashi Yanagisawa, Shunichi Arisawa, Taichiro Nishio
  • Publication number: 20240275012
    Abstract: 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: Application
    Filed: February 12, 2024
    Publication date: August 15, 2024
    Applicants: NEC CORPORATION, National Institute of Advanced Industrial Science and Technology
    Inventors: Yohei KAWAKAMI, Tomohiro Yamaji, Yoshiro Urade, Aiko Yamaguchi
  • Publication number: 20240266351
    Abstract: 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: Application
    Filed: April 28, 2022
    Publication date: August 8, 2024
    Applicant: National Institute of Advanced Industrial Science and Technology
    Inventors: Mitsuo OKAMOTO, Atsushi YAO, Hiroshi SATO, Shinsuke HARADA
  • Patent number: 12030122
    Abstract: 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: Grant
    Filed: October 21, 2020
    Date of Patent: July 9, 2024
    Assignees: JFE STEEL CORPORATION, TOKIN CORPORATION, National Institute of Advanced Industrial Science and Technology
    Inventors: 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
  • Patent number: 12024532
    Abstract: 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: Grant
    Filed: September 10, 2021
    Date of Patent: July 2, 2024
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Masayasu Igarashi, Kazuhiko Sato, Fujio Yagihashi, Tomohiro Matsumoto, Takeshi Nozawa, Shigeru Shimada
  • Publication number: 20240202560
    Abstract: 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: Application
    Filed: April 13, 2022
    Publication date: June 20, 2024
    Applicants: NEC CORPORATION, National Institute of Advanced Industrial Science and Technology
    Inventors: Naoki TAKEUCHI, Nobuyuki YOSHIKAWA, Yoshihito HASHIMOTO, Tsuyoshi YAMAMOTO, Fuminori HIRAYAMA
  • Patent number: 12012432
    Abstract: 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: Grant
    Filed: August 17, 2020
    Date of Patent: June 18, 2024
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Yasuo Komatsu, Yu Hirano, Yasuhiro Mie
  • Publication number: 20240186037
    Abstract: 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: Application
    Filed: March 22, 2022
    Publication date: June 6, 2024
    Applicant: National Institute of Advanced Industrial Science and Technology
    Inventors: Nobuyoshi IMAOKA, Kimihiro OZAKI, Tatsuya KON
  • Publication number: 20240166918
    Abstract: 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: Application
    Filed: March 25, 2022
    Publication date: May 23, 2024
    Applicants: VALQUA, LTD., National Institute of Advanced Industrial Science and Technology
    Inventors: Naoki Watanabe, Yoshihiro Setoguchi, Takafumi Aizawa
  • Publication number: 20240158605
    Abstract: 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: Application
    Filed: March 30, 2022
    Publication date: May 16, 2024
    Applicants: ZEON CORPORATION, National Institute of Advanced Industrial Science and Technology
    Inventors: Yoshihisa TAKEYAMA, Masahiro UENO, Ryoichi KISHI, Ken KOKUBO, Takeo YAMADA
  • Patent number: 11963794
    Abstract: 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: Grant
    Filed: December 20, 2019
    Date of Patent: April 23, 2024
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventor: Toru Yamada
  • Publication number: 20240125518
    Abstract: 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: Application
    Filed: February 1, 2022
    Publication date: April 18, 2024
    Applicant: National Institute of Advanced Industrial Science and Technology
    Inventors: Kuniaki Amemiya, Yuhei Shimizu
  • Patent number: 11962018
    Abstract: 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: Grant
    Filed: May 15, 2019
    Date of Patent: April 16, 2024
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventor: Masafumi Asahi
  • Publication number: 20240104768
    Abstract: 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: Application
    Filed: September 26, 2023
    Publication date: March 28, 2024
    Applicants: National Institute of Advanced Industrial Science and Technology, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Nobuyuki KITA, Takuro Kato, Daisuke Okabe, Eiichi Yoshida, Yukikazu Koide, Norihiko Kato, Naoya Yokomachi, Tatsuya Komuro
  • Patent number: 11930584
    Abstract: 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: Grant
    Filed: August 21, 2020
    Date of Patent: March 12, 2024
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventor: Takehiko Segawa
  • Publication number: 20240079687
    Abstract: 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: Application
    Filed: October 13, 2021
    Publication date: March 7, 2024
    Applicant: National Institute of Advanced Industrial Science and Technology
    Inventors: Yusuke Komazaki, Kenji Kanazawa, Taiki Nobeshima, Hirotada Hirama, Yuichi Watanabe, Sei Uemura
  • Patent number: 11911130
    Abstract: 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: Grant
    Filed: December 20, 2019
    Date of Patent: February 27, 2024
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventor: Toru Yamada