Patents by Inventor Shinji Aoki

Shinji Aoki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250107262
    Abstract: Electronic device member comprises a first substrate, at least one protruding portion that protrudes from the first substrate, and a solder layer, wherein the at least one protruding portion includes at least one side surface, a tip surface, and a connection portion between the at least one side surface and the tip surface, and wherein the solder layer is in contact with the tip surface. At the connection portion, the at least one side surface and the tip surface form obtuse angle.
    Type: Application
    Filed: August 8, 2024
    Publication date: March 27, 2025
    Applicant: TDK Corporation
    Inventors: Maiko KOKUBO, Shinji HARA, Naoki OHTA, Susumu AOKI
  • Publication number: 20250059151
    Abstract: An object of the present invention is to provide a compound having an anti-inflammatory activity or a pharmacologically acceptable salt thereof. The solution of the present invention is a compound of general formula (1) or a pharmacologically acceptable salt thereof. wherein the symbols in the formula are defined below: R1: e.g., a C1-C6 alkyl group; R2: a C1-C6 alkyl group; A: e.g., an oxygen atom; and R3: e.g., a C1-C6 alkyl group.
    Type: Application
    Filed: August 29, 2024
    Publication date: February 20, 2025
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Keiji Saito, Katsuyoshi Nakajima, Toru Taniguchi, Osamu Iwamoto, Satoshi Shibuya, Yasuyuki Ogawa, Kazumasa Aoki, Nobuya Kurikawa, Shinji Tanaka, Momoko Ogitani, Eriko Kioi, Kaori Ito, Natsumi Nishihama, Tsuyoshi Mikkaichi, Wataru Saitoh
  • Publication number: 20250033356
    Abstract: A liquid discharge module includes a valve body configured to openably close a nozzle; a driving body configured to expand and contract in a longitudinal direction of the driving body; a holding body holding the driving body and supporting the valve body at one end of the holding body in the longitudinal direction; a housing having a cylindrical shape and accommodating the holding body; a fixing member contacting against another end of the holding body in the longitudinal direction and including a slotted groove having a gap extending in the longitudinal direction, the fixing member fixed to the housing; and an expansion member configured to widen the gap of the slotted groove to fix an outer peripheral face of the fixing member to an inner peripheral face of the housing.
    Type: Application
    Filed: November 15, 2022
    Publication date: January 30, 2025
    Inventors: Kiyoshi AMARI, Hisayoshi OHSHIMA, Shinji AOKI
  • Publication number: 20250001786
    Abstract: A patterning method of quantum dots, the method includes the steps of coating with a mixture containing quantum dots and a curable resin on a substrate to obtain a resin layer, ejecting a curing agent in a pattern shape on the resin layer by an inkjet method, performing a curing treatment to cure the portion of the resin layer where the curing agent was ejected, and removing an uncured portion of the resin layer with a solvent.
    Type: Application
    Filed: October 24, 2022
    Publication date: January 2, 2025
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoshihiro NOJIMA, Kazuya TOBISHIMA, Shinji AOKI
  • Patent number: 12180119
    Abstract: A transparent ceramic material is manufactured by molding a source powder into a compact, the source powder comprising a rare earth oxide consisting of at least 40 mol % of terbium oxide and the balance of another rare earth oxide, and a sintering aid, sintering the compact at a temperature T (1,300° C.?T?1,650° C.) by heating from room temperature to T1 (1200° C.?T1?T) at a rate of at least 100° C./h, and optionally heating from T1 at a rate of 1-95° C./h, and HIP treating the sintered compact at 1,300-1,650° C. The ceramic material has improved diffuse transmittance in the visible region and functions as a magneto-optical part in a broad visible to NIR region.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: December 31, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Keita Tanaka, Shinji Aoki, Shinji Makikawa
  • Patent number: 12179366
    Abstract: The present invention includes a reference parallel line creation step of creating a pair of parallel lines that are respectively in contact with outer edges of a workpiece cross-section without traversing the workpiece cross-section and that are located on an extension plane of the workpiece cross-section, a first determination step of comparing a width between the pair of parallel lines that have been created in the reference parallel line creation step with a maximum separation threshold of the welding electrodes, and determining whether the maximum separation threshold is larger than the width between the parallel lines, and a pull-out direction determination step of determining a direction of the parallel lines as a pull-out direction, in a case where the maximum separation threshold is larger than the width between the parallel lines in the first determination step.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: December 31, 2024
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Wenhao Zhang, Shinji Aoki, Wataru Toyama
  • Publication number: 20240413272
    Abstract: A wavelength converter including, as semiconductor nanoparticles, a first semiconductor nanoparticle that converts light with a wavelength of 450 nm into light with a wavelength ?1 nm, and a second semiconductor nanoparticle that converts light with a wavelength of 450 nm into light with a wavelength ?2 nm, in which the wavelength ?1 and the wavelength ?2 satisfy ?1>?2>450, and a relation between an emission intensity I1b and an emission intensity I1a satisfies I1a<I1b, where I1b is an emission intensity at the wavelength ?1 when the wavelength converter including the first and second semiconductor nanoparticles is irradiated with light with a wavelength of 450 nm and an excitation photon number N0, and I1a is an emission intensity at the wavelength ?1 when a wavelength converter including only the first semiconductor nanoparticle is irradiated with the light with a wavelength of 450 nm and an excitation photon number N0.
    Type: Application
    Filed: October 11, 2022
    Publication date: December 12, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Kazuya TOBISHIMA, Yoshihiro NOJIMA, Shinji AOKI
  • Patent number: 12139655
    Abstract: A quantum dot has a fluorescent crystalline nanoparticle, wherein the quantum dot has a core-shell structure including a core particle containing a first metal element and a shell layer containing a second metal element, at an interface between the core particle and the shell layer, a third metal element different from the first metal element and the second metal element is present, and an amount of the third metal element with respect to an amount of the first metal element contained in the core particle is 10% or less in terms of molar ratio. As a result the quantum dot has excellent controllability of the emission wavelength and high luminous properties and luminous efficiency.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: November 12, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoshihiro Nojima, Shinji Aoki, Kazuya Tobishima
  • Publication number: 20240199952
    Abstract: A core-shell quantum dot and a method for manufacturing the core-shell quantum dots, wherein the core-shell quantum dot includes a semiconductor nanocrystal core including group II-VI elements having Zn and at least one of S, Se, or Te, and a semiconductor nanocrystal shell that coats the semiconductor nanocrystal core and contains a shell layer of a single layer or plurality of layers including group II-VI elements. At least one shell layer is an Mg-containing shell layer. As a result, a core-shell quantum dot is provided that exhibits an improved quantum yield and an improved fluorescence light emission efficiency and that has a narrow emission half-value width.
    Type: Application
    Filed: March 24, 2022
    Publication date: June 20, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Shinji AOKI, Kazuya TOBISHIMA, Yoshihiro NOJIMA
  • Publication number: 20240010911
    Abstract: A quantum dot surface treatment method including continuously supplying a solution containing a silicone compound and a quantum dot having a surface to which a ligand having a coordinating substituent and a reactive substituent is coordinated by virtue of the coordinating substituent, to a reaction flow path made of a material that transmits light, and emitting light to the reaction flow path, so that the silicone compound and the reactive substituent undergo a photopolymerization reaction, thereby coating the surface of the quantum dot with the silicone compound. Thus, the quantum dot surface treatment method is provided that enables to, even in the case of performing surface treatment using a large amount of solution, obtain a quantum dot having excellent stability with high productivity by stably coating the surface of the quantum dot with the silicone compound, and provide a wavelength conversion material with high reliability.
    Type: Application
    Filed: November 30, 2021
    Publication date: January 11, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoshihiro NOJIMA, Shinji AOKI, Kazuya TOBISHIMA
  • Patent number: 11835815
    Abstract: A quantum dot including fluorescent crystalline nanoparticle, wherein surface of the quantum dot is modified with a ligand containing fluorine. The quantum dots include fluorescent crystalline nanoparticles which have high stability and are less likely to agglomerate when added to a fluororesin.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: December 5, 2023
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoshihiro Nojima, Shinji Aoki, Kazuya Tobishima
  • Publication number: 20230279293
    Abstract: The present invention is a method for producing perovskite type quantum dots, wherein, using a plurality of precursor solutions each containing a different element, each of the plurality of precursor solutions is heated and sprayed as an aerosol of the precursor solution, and the plurality of aerosols are collided to cause a gas phase reaction, dropping in a solvent to synthesize core particles containing the different elements. This provides a method for producing quantum dots that enables control of the particle size and yields nanoparticles with a uniform particle size even in large-scale synthesis.
    Type: Application
    Filed: May 6, 2021
    Publication date: September 7, 2023
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoshihiro NOJIMA, Shinji AOKI, Kazuya TOBISHIMA
  • Patent number: 11749785
    Abstract: A resin composition containing a base resin and quantum dots that are crystalline nanoparticle phosphors, the base resin containing a fluorine-containing resin. This provides a resin composition capable of enhancing the stability of quantum dots.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: September 5, 2023
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoshihiro Nojima, Shinji Aoki, Kazuya Tobishima
  • Publication number: 20230265338
    Abstract: A quantum dot-containing polymer contains quantum dots that emit fluorescence by excitation light, wherein the quantum dot-containing polymer is a combined polymer of the quantum dots in which a ligand having a reactive substituent is coordinated to the outermost surface and a silicone compound having a polymerizable substituent. The quantum dot-containing polymer is stabilized by mild conditions.
    Type: Application
    Filed: April 19, 2021
    Publication date: August 24, 2023
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Shinji AOKI, Yoshihiro NOJIMA, Kazuya TOBISHIMA
  • Publication number: 20230256742
    Abstract: A liquid droplet-forming device is provided, including: a liquid chamber; a discharge hole configured to discharge a raw material liquid in the liquid chamber in a form of liquid droplets; sealed space-forming means; and at least two flow paths, in which the sealed space-forming means is capable of forming a sealed space communicating with the liquid chamber through the discharge hole on a side opposite to the liquid chamber of the discharge hole, and the at least two flow paths communicate with each other through the sealed space.
    Type: Application
    Filed: April 28, 2023
    Publication date: August 17, 2023
    Inventors: Hisayoshi OHSHIMA, Yuichi SATO, Shinji AOKI, Satoshi SHINOHARA, Shuusuke IWATA
  • Publication number: 20230182097
    Abstract: A particle production apparatus includes a liquid droplet formation unit configured to discharge a liquid from a discharging hole to form a liquid droplet, and a particle formation unit configured to solidify the liquid droplet to form a particle. The particle formation unit includes a conveyance gas flow, and the liquid droplet formation unit is configured to discharge the liquid to satisfy Formula 1 below: P = Vj Pd ? 0 ? ? ? Vx 2 ? A ? cos 2 ( ? - 65 ) > 1 Formula ? 1 In the Formula 1, Vj represents a velocity (m/s) of the liquid droplet to be discharged, F represents a discharging drive frequency (kHz), d0 represents a diameter (?m) of the liquid droplet, ? represents a density (kg/m) of the liquid, Vx represents a velocity (m/s) of the conveyance gas flow, A represents shortest distance (m) from the liquid droplet formation unit to a center of the conveyance gas flow, and ? represents an angle (deg.) at which the liquid droplet is to be discharged.
    Type: Application
    Filed: June 23, 2020
    Publication date: June 15, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Naoki SHIRAISHI, Shinji Aoki
  • Publication number: 20230174851
    Abstract: A method for producing coated semiconductor nanoparticles, comprising a step of coating the surface of semiconductor nanoparticles with a metal oxide, wherein the surface of the semiconductor nanoparticles is coated with the metal oxide by treating a metal oxide precursor with microwave irradiation treatment.
    Type: Application
    Filed: April 19, 2021
    Publication date: June 8, 2023
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Kazuya TOBISHIMA, Shinji AOKI, Yoshihiro NOJIMA
  • Publication number: 20230140787
    Abstract: A method for producing a quantum dot including crystalline nanoparticle fluorescent material, wherein, using a first precursor solution and a second precursor solution containing different elements each other, the second precursor solution is sprayed as an aerosol on the heated first precursor solution, or both the first precursor solution and the second precursor solution are sprayed on a heated solvent as aerosols, and the first precursor solution and the second precursor solution are reacted with each other to synthesize a core particle containing the different elements. The method for producing quantum dots, can suppress the non-uniformity of the particle size of the quantum dots and accompany increase in the distribution of emission wavelengths in large scale synthesis.
    Type: Application
    Filed: March 2, 2021
    Publication date: May 4, 2023
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoshihiro NOJIMA, Shinji AOKI, Kazuya TOBISHIMA
  • Publication number: 20230067126
    Abstract: The present invention includes a reference parallel line creation step of creating a pair of parallel lines that are respectively in contact with outer edges of a workpiece cross-section without traversing the workpiece cross-section and that are located on an extension plane of the workpiece cross-section, a first determination step of comparing a width between the pair of parallel lines that have been created in the reference parallel line creation step with a maximum separation threshold of the welding electrodes, and determining whether the maximum separation threshold is larger than the width between the parallel lines, and a pull-out direction determination step of determining a direction of the parallel lines as a pull-out direction, in a case where the maximum separation threshold is larger than the width between the parallel lines in the first determination step.
    Type: Application
    Filed: December 2, 2020
    Publication date: March 2, 2023
    Inventors: Wenhao Zhang, Shinji Aoki, Wataru Toyama
  • Publication number: 20220411695
    Abstract: A quantum dot includes crystalline nanoparticle, wherein the quantum dot has a multi-layer structure including core particle and a plurality of layers on the core particle, and has Zn, S, Se, and Te as constituent elements, and the quantum dot has at least one quantum well structure in a radial direction from the center of the quantum dot. Therefore, quantum dots, which are crystalline nanoparticles, which do not contain harmful substances such as Cd and Pb, have excellent light emission characteristics such as half-value width at half maximum, and have high quantum efficiency.
    Type: Application
    Filed: October 29, 2020
    Publication date: December 29, 2022
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoshihiro NOJIMA, Shinji AOKI, Kazuya TOBISHIMA