公开(公告)号：US12180442B2

公开(公告)日：2024-12-31

申请号：US16765495

申请日：2018-11-30

Applicant: PUBLIC UNIVERSITY CORPORATION YOKOHAMA CITY UNIVERSITY ,  Japan Aerospace Exploration Agency

Inventor： Hideki Taniguchi ,  Tomomi Tadokoro ,  Tetsuya Sakashita ,  Satoshi Matsumoto ,  Satoshi Adachi ,  Akira Higashibata

IPC: C12N5/00 ,  C12M1/00 ,  C12M1/12 ,  C12M1/36 ,  C12M3/00 ,  C12N5/071

Abstract: A method for aggregating cell masses includes performing a cell mass aggregating step of rotating a rotating body containing a specific gravity adjustment solution and cell masses to aggregate the cell masses, the specific gravity adjustment solution having biocompatibility, the cell masses having a lower specific gravity than the specific gravity adjustment solution.

公开(公告)号：US20240319049A1

公开(公告)日：2024-09-26

申请号：US18578692

申请日：2022-07-15

Applicant: Japan Aerospace Exploration Agency

Inventor： Hajime YANO ,  Yoshitsugu SONE ,  Eiji HOSONO ,  Haruo KISHIMOTO ,  Hirokazu KITAURA ,  Daisuke ASAKURA ,  Tomohiro ISHIYAMA ,  Ayaka TAKAHASHI ,  Minoru UMEDA ,  Sayoko INAGAWA

IPC: G01N1/22

CPC classification number: G01N1/2208

Abstract: An ionized material sample collection device according to the present invention includes one or a plurality of container's main bodies that each has a surrounding wall and a bottom wall and has a sample entrance in an upper portion of the surrounding wall, a sample impact target that is formed in the bottom portion of each of the container's main bodies, and one or more ionized material collection zones that are formed on at least one of the inner surfaces and the bottom surface of the surrounding wall of each of the container's main bodies. It is preferable that a plurality of the ionized material collection zones be formed on the inner surfaces of the surrounding wall and each of the plurality of ionized material collection zones be an ionized material collection zone which has an affinity for a different element.

公开(公告)号：US12072364B2

公开(公告)日：2024-08-27

申请号：US17669833

申请日：2022-02-11

Applicant: SUBARU CORPORATION ,  JAPAN AEROSPACE EXPLORATION AGENCY

Inventor： Hiroyuki Tsubata ,  Hiromitsu Miyaki ,  Takao Okada

IPC: G01R29/08

CPC classification number: G01R29/0878 ,  G01R29/0807 ,  G01R29/0842 ,  G01R29/0892

Abstract: According to one implementation, an aviation system 100 includes electric field sensors 112 and a ground system 114 including a computer configured to communicate with each of the electric field sensors 112. The computer is configured to: acquire electric field intensities from the electric field sensors 112 respectively, and generate a first electric field distribution on a ground surface 16 based on the electric field intensities; derive a matrix; derive a pseudo inverse matrix of the matrix; derive an electric charge distribution on the horizontal plane by multiplying the pseudo inverse matrix by the first electric field distribution on the ground surface 16; and derive a second electric field distribution on a flight path based on the electric charge distribution. The first electric field distribution on the ground surface 16 is derived by multiplying the matrix by electric charges temporarily set on a horizontal plane at a predetermined altitude.

公开(公告)号：US12025110B2

公开(公告)日：2024-07-02

申请号：US18097673

申请日：2023-01-17

Applicant: Japan Aerospace Exploration Agency

Inventor： Teppei Okumura ,  Shinatora Cho ,  Yasushi Ohkawa ,  Hiroyuki Okamoto

IPC: F03H1/00 ,  B64G1/40

CPC classification number: F03H1/0087 ,  B64G1/40 ,  F03H1/0025

Abstract: A structure for preventing an electric discharge between devices without any need for a dedicated device when mounted on an artificial satellite is provided. A charging mitigation device for reducing a potential difference between two or more physical objects includes an electric thruster (100) configured to generate plasma (PL), wherein the two or more physical objects are covered with the plasma (PL) generated from the electric thruster (100).

公开(公告)号：US20240066504A1

公开(公告)日：2024-02-29

申请号：US18261187

申请日：2022-02-01

Applicant: JAPAN AEROSPACE EXPLORATION AGENCY

Inventor： Asuka SHIMA ,  Yoshitsugu SONE ,  Motohiko SATO ,  Takayuki ABE ,  Mitsuhiro INOUE

IPC: B01J23/46 ,  B01J12/00 ,  B01J19/24 ,  B01J21/06 ,  B01J35/00 ,  B01J35/10 ,  B01J37/02 ,  C07C1/12

CPC classification number: B01J23/462 ,  B01J12/007 ,  B01J19/24 ,  B01J21/063 ,  B01J35/0013 ,  B01J35/1009 ,  B01J35/1014 ,  B01J37/0203 ,  B01J37/0236 ,  C07C1/12

Abstract: Provided is a technique for molding a functional material without deteriorating the function of the functional material. A method for producing a functional material molded article of the present disclosure includes: dispersing a functional material in a water-alcohol mixed solution to obtain a liquid dispersion; impregnating a porous molding base material with the liquid dispersion to obtain an impregnated product; and drying the impregnated product.

公开(公告)号：US20240063391A1

公开(公告)日：2024-02-22

申请号：US18270736

申请日：2021-11-17

Applicant: JAPAN AEROSPACE EXPLORATION AGENCY

Inventor： Eiji Hosono ,  Daisuke Asakura ,  Hirokazu Kitaura ,  Yoshitsugu Sone ,  Ayaka Takahashi

IPC: H01M4/62 ,  H01M4/525 ,  H01M4/04

CPC classification number: H01M4/621 ,  H01M4/525 ,  H01M4/0404 ,  H01M4/624

Abstract: Provided are: an electrode and a method for producing the same, with which it is possible to produce a primary battery or a secondary battery having excellent characteristics such as environment resistance; and a battery provided with the electrode. This electrode is for a primary battery or a secondary battery, and comprises a current collector and an active material layer provided on the surface of the current collector. The active material layer is composed of: a plurality of active material particles; and a layered metal sulfide for filling portions between the plurality of active material particles.

公开(公告)号：US11789112B2

公开(公告)日：2023-10-17

申请号：US17283763

申请日：2019-02-20

Applicant: JAPAN AEROSPACE EXPLORATION AGENCY

Inventor： Toshihiro Sezai

IPC: G01S7/02

CPC classification number: G01S7/02

Abstract: An observation apparatus includes a signal processing unit that performs, using a square root signal of a received electric power signal from an antenna whose beam is scanned within a predetermined azimuthal angle range and a signal of an azimuthal angle of the scanned beam, a Fourier transform with respect to the azimuthal angle on the square root signal, divides a first azimuth frequency signal by a second azimuth frequency signal, the first azimuth frequency signal being obtained by performing the Fourier transform, the second azimuth frequency signal being obtained by performing a Fourier transform with respect to the azimuthal angle on a square root signal of an antenna electric power pattern, and fits the divided signal with exponential functions including real parts and imaginary parts in arguments by using Prony's method.

公开(公告)号：US20230130658A1

公开(公告)日：2023-04-27

申请号：US17905311

申请日：2021-02-05

Applicant: JAPAN AEROSPACE EXPLORATION AGENCY

Inventor： Atsushi UENO

IPC: B64F5/00 ,  B64C30/00 ,  B64C23/04

Abstract: A method of designing an aircraft shape of a supersonic aircraft according to an embodiment of the present invention includes: obtaining an equivalent cross-sectional area distribution of an initial shape at an off-track position of an aircraft; setting a target equivalent cross-sectional area distribution at the off-track position of the aircraft for reducing sonic booms on the basis of the obtained equivalent cross-sectional area distribution; and converting, on the basis of a required additional cross-sectional area distribution that is a difference between the equivalent cross-sectional area distribution and the target equivalent cross-sectional area distribution, a required additional cross-sectional area of a cross-section of the aircraft on an off-track Mach plane that extends through an arbitrary position in an airflow direction into a required additional cross-sectional area of a cross-section of the aircraft on an on-track Mach plane of the aircraft that is located near the off-track Mach plane and adding the required additional cross-sectional area of the cross-section of the aircraft on the on-track Mach plane.

公开(公告)号：US11635373B2

公开(公告)日：2023-04-25

申请号：US16757900

申请日：2018-08-29

Applicant: JAPAN AEROSPACE EXPLORATION AGENCY

Inventor： Atsushi Kanda ,  Kazuki Hashimoto

IPC: G01N21/47 ,  G01B11/06 ,  G01N21/84 ,  G01N21/94 ,  G01W1/14 ,  G08B19/02 ,  B60W40/06 ,  G01N21/3554 ,  G01N21/21 ,  B60T8/171 ,  B60T8/172

Abstract: It is desirable to provide an information processing apparatus, an information processing method, a program, and a monitoring system capable of monitoring a condition of a measured surface highly accurately and using the monitoring result effectively.
To attain the aforementioned object, according to a mode of the present invention, an information processing apparatus includes an obtaining module and a generating module. The obtaining module obtains measuring data about a measured surface. The generating module generates covering material information about a covering material that covers the measured surface based on a feature of the obtained measuring data.

公开(公告)号：US20230124256A1

公开(公告)日：2023-04-20

申请号：US17795911

申请日：2020-12-22

Applicant: Japan Aerospace Exploration Agency

Inventor： Yoshitsugu SONE ,  Motohiko SATO

IPC: H01M8/04223 ,  H01M8/04089 ,  H01M8/04082

Abstract: A method of controlling a fuel cell device includes: a step of purging a hydrogen supply unit of a fuel electrode and purging a gas supply unit of an oxidant electrode when an operation of the fuel cell device ends; a step of measuring a voltage between the fuel electrode and the oxidant electrode and determining whether the voltage is greater than a predetermined threshold; a step of continuing power generation in the fuel cell device when the voltage is greater than the predetermined threshold; and a step of depressurizing the hydrogen supply unit and the gas supply unit when the voltage is equal to or less than the predetermined threshold.