Patents by Inventor Kazuya Sakai

Kazuya Sakai 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: 20250145826
    Abstract: A thermally conductive composition includes a component (A) that is a diorganopolysiloxane having an alkenyl group bonded to a silicon atom, a component (B) that is a diorganopolysiloxane having a hydrogen atom bonded to a silicon atom, a component (C) that is expandable graphite, a component (D) that is a thermally conductive filler, a component (E) that is an addition reaction catalyst, an organosilicon compound or an organosiloxane (also referred to as a silane coupling agent) that produces silanols by hydrolysis, and a condensation catalyst. The expansion rate (volume after high temperature exposure/volume before high temperature exposure) of a thermally conductive member obtained by curing the thermally conductive composition is 1.1 or less.
    Type: Application
    Filed: March 14, 2023
    Publication date: May 8, 2025
    Applicant: Wacker Chemie AG
    Inventors: Kazuya SAKAI, Shunsuke YAMADA
  • Publication number: 20250145877
    Abstract: Provided is a thermally conductive insulating silicone composition that has favorable thermal conductivity and dispensing properties, has favorable resiliency after curing, and can secure adhesion even under application of impact. Also provided is a method for manufacturing such a thermally conductive insulating silicone composition. The thermally conductive silicone composition is applied in a liquid state to a substrate, and contains: (A) a diorganopolysiloxane having an alkenyl group bonded to a silicon atom; (B) a diorganopolysiloxane having a hydrogen atom bonded to a silicon atom; (C) a thermally conductive filler; (D) a silicone resin having at least one alkenyl group within one molecule, with a number-average molecular weight of 1,000 or more; and (E) an addition reaction catalyst.
    Type: Application
    Filed: January 18, 2023
    Publication date: May 8, 2025
    Applicant: Wacker Chemie AG
    Inventors: Kazuya SAKAI, Yurina SATO, Shunsuke YAMADA
  • Publication number: 20250129249
    Abstract: A thermally conductive silicone composition is provided, including components (A), (B), (C), (D), and (E). Component (A) is a diorganopolysiloxane having an alkenyl group bonded to a silicon atom. Component (B) is a diorganopolysiloxane having a hydrogen atom bonded to a silicon atom. Component (C) is a terpene phenol resin. Component (D) is a thermally conductive filler. Component (E) is an addition reaction catalyst. The thermally conductive silicone composition is applied in an uncured state to a substrate.
    Type: Application
    Filed: January 19, 2023
    Publication date: April 24, 2025
    Applicant: WACKER CHEMIE AG
    Inventors: Akihiro TAKAHASHI, Kazuya SAKAI, Shunsuke YAMADA
  • Publication number: 20240409798
    Abstract: A thermally conductive silicone composition is provided including components (A), (B), (C), (C), (D), and (E). Component (A) includes a diorganopolysiloxane with an alkenyl-bonded silicon atom, component (B) includes a diorganopolysiloxane a hydrogen atom-bonded silicon atom, Component (C) includes a thermally conductive fibrous inorganic filler, and Component (D) includes a thermally conductive spherical filler or a thermally conductive amorphous filler. The thermally conductive silicone composition is applied in a liquid state to a substrate and is characterized by a specified compressive shape, shape retentivity, and initial viscosity.
    Type: Application
    Filed: September 30, 2022
    Publication date: December 12, 2024
    Inventors: Shunsuke YAMADA, Kazuya SAKAI
  • Publication number: 20240392175
    Abstract: A two-component thermally conductive silicone composition long with methods of producing and uses for the same. Where the two-component thermally conductive silicone includes a first liquid containing (A) a diorganopolysiloxane having an alkenyl group bonded to a silicon atom, (D) an addition catalyst, (E) a thermally conductive filler, and (F) a condensation catalyst. Where the two-component thermally conductive silicone includes a second liquid containing (A) the diorganopolysiloxane having an alkenyl group bonded to a silicon atom, (B) a diorganopolysiloxane having a hydrogen atom bonded to a silicon atom, (C) at least one selected from (C-1) an organosilicon compound having two or more groups that are at least one selected from a methoxy group and an ethoxy group and not having a hydrocarbon group having 3 or more carbon atoms or a vinyl group, and (C-2) a hydrolysate of the organosilicon compound (C-1), and (E) the thermally conductive filler.
    Type: Application
    Filed: August 17, 2022
    Publication date: November 28, 2024
    Applicant: WACKER CHEMIE AG
    Inventors: Nazuna Terashita, Yukihiko Asakawa, Takashi Nakamura, Kazuya Sakai, Yusuke Suzuki, Taishi Uchida
  • Publication number: 20240010568
    Abstract: The present invention provides a zirconia pre-sintered body having excellent machinability and having a low probability of pillar fracture or chipping during milling. A method of production of such a zirconia pre-sintered body is also provided. The present invention relates to a zirconia pre-sintered body comprising zirconia, and a stabilizer capable of reducing a phase transformation of zirconia, the content of the stabilizer being 3 to 8 mol % relative to the total mole of the zirconia and the stabilizer, at least a part of the stabilizer being not dissolved in zirconia as a solid solution, and the zirconia pre-sintered body having a Vickers hardness of 65 to 135 HV 5/30 as measured in compliance with JIS Z 2244:2009.
    Type: Application
    Filed: September 28, 2021
    Publication date: January 11, 2024
    Applicant: Kuraray Noritake Dental Inc.
    Inventors: Kirihiro NAKANO, Kazuya SAKAI, Nobusuke KASHIKI, Sho ITO, Atsushi MATSUMOTO, Yoshihisa ITO
  • Patent number: 11308813
    Abstract: There is provided a flight management system for managing a flight plan of flying objects that fly among ports.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: April 19, 2022
    Assignees: The University of Tokyo, BLUE INNOVATION Co., Ltd.
    Inventors: Christopher Thomas Raabe, Shinji Suzuki, Takeshi Tsuchiya, Masayuki Kumada, Kazuya Sakai, Takashi Matsuo, Tsuyoshi Chiba
  • Patent number: 10942442
    Abstract: A mask blank is provided in which a phase-shift film is provided on a transparent substrate, the phase-shift film having a predetermined transmittance to ArF exposure light and being configured to shift a phase of ArF exposure light transmitted therethrough, wherein the phase-shift film comprises a nitrogen-containing layer that is formed from a material containing silicon and nitrogen and does not contain a transition metal, and wherein a content of oxygen in the nitrogen-containing layer, when measured by X-ray photoemission spectroscopy, is below a detection limit.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: March 9, 2021
    Assignee: HOYA CORPORATION
    Inventors: Osamu Nozawa, Hiroaki Shishido, Kazuya Sakai
  • Publication number: 20210016242
    Abstract: An object of the present invention is to provide a flow type reaction device which is capable of maintaining reaction efficiency and productivity which are sufficient for practical use for a long time, and reducing the size and cost of the reaction device, and the present invention provides a flow type reaction device (1) for continuously reacting two or more kinds of raw materials, including a mixing section (10) which is configured to mix two or more kinds of the raw materials, and a reaction section (20) which is provided on a secondary side with respect to the mixing section (10), and configured to obtain a product by reacting two or more kinds of the raw materials, the mixing section (10) includes a mixing device (13) which is configured to mix two or more kinds of the raw materials, and two or more supply pipes (L11, L12) which are configured to supply each of two or more kinds of the raw materials to the mixing device (13), the supply pipes (L11, L12) are respectively connected to the mixing device (13
    Type: Application
    Filed: November 9, 2018
    Publication date: January 21, 2021
    Inventors: Kazuya SAKAI, Shinya TOKUOKA
  • Publication number: 20210005091
    Abstract: There is provided a flight management system for managing a flight plan of flying objects that fly among ports.
    Type: Application
    Filed: February 27, 2018
    Publication date: January 7, 2021
    Inventors: Christopher Thomas RAABE, Shinji SUZUKI, Takeshi TSUCHIYA, Masayuki KUMADA, Kazuya SAKAI, Takashi MATSUO, Tsuyoshi CHIBA
  • Publication number: 20200064727
    Abstract: A mask blank is provided in which a phase-shift film is provided on a transparent substrate, the phase-shift film having a predetermined transmittance to ArF exposure light and being configured to shift a phase of ArF exposure light transmitted therethrough, wherein the phase-shift film comprises a nitrogen-containing layer that is formed from a material containing silicon and nitrogen and does not contain a transition metal, and wherein a content of oxygen in the nitrogen-containing layer, when measured by X-ray photoemission spectroscopy, is below a detection limit.
    Type: Application
    Filed: October 31, 2019
    Publication date: February 27, 2020
    Applicant: HOYA CORPORATION
    Inventors: Osamu NOZAWA, Hiroaki SHISHIDO, Kazuya SAKAI
  • Patent number: 10539866
    Abstract: Provided is a mask blank in which uniformity of the composition and optical characteristics of a phase-shift film in the in-plane direction and direction of film thickness is high, uniformity of the composition and optical characteristics of the phase-shift film between a plurality of substrates is also high, and defectivity is low even if a silicon-based material is applied to the material that forms the phase-shift film.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: January 21, 2020
    Assignee: HOYA CORPORATION
    Inventors: Osamu Nozawa, Hiroaki Shishido, Kazuya Sakai
  • Patent number: 10495966
    Abstract: Provided is a mask blank in which uniformity of the composition and optical characteristics of a phase-shift film in the in-plane direction and direction of film thickness is high, uniformity of the composition and optical characteristics of the phase-shift film between a plurality of substrates is also high, and defectivity is low even if a silicon-based material is applied to the material that forms the phase-shift film.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: December 3, 2019
    Assignee: HOYA CORPORATION
    Inventors: Osamu Nozawa, Hiroaki Shishido, Kazuya Sakai
  • Publication number: 20190146327
    Abstract: Provided is a mask blank in which uniformity of the composition and optical characteristics of a phase-shift film in the in-plane direction and direction of film thickness is high, uniformity of the composition and optical characteristics of the phase-shift film between a plurality of substrates is also high, and defectivity is low even if a silicon-based material is applied to the material that forms the phase-shift film.
    Type: Application
    Filed: November 27, 2018
    Publication date: May 16, 2019
    Applicant: HOYA CORPORATION
    Inventors: Osamu NOZAWA, Hiroaki SHISHIDO, Kazuya SAKAI
  • Patent number: 10234349
    Abstract: Provided is a sensor system capable of more accurately detecting abnormality. A sensor IC includes a first detector, a second detector, and a communication circuit. The first detector and the second detector output a first digital value and a second digital value according to the strength of a magnetic flux applied thereto, respectively. The communication circuit transmits the first and second digital values received from the first and second detectors to a control device. At this time, the communication circuitplaces the first and second digital values in a plurality of frames to transmit the plurality of frames. The communication circuit forms the plurality of frames such that bit information data of the first and second digital values placed in the frames is arranged in different orders between the first and second digital values.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: March 19, 2019
    Assignee: JTEKT CORPORATION
    Inventors: Hiroshi Kichise, Yoshitomo Tokumoto, Kazuya Sakai, Yutaro Ishimoto, Kaname Aoki
  • Patent number: 10180622
    Abstract: Provided is a mask blank in which uniformity of the composition and optical characteristics of a phase-shift film in the in-plane direction and direction of film thickness is high, uniformity of the composition and optical characteristics of the phase-shift film between a plurality of substrates is also high, and defectivity is low even if a silicon-based material is applied to the material that forms the phase-shift film.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: January 15, 2019
    Assignee: HOYA CORPORATION
    Inventors: Hiroaki Shishido, Kazuya Sakai
  • Publication number: 20170176848
    Abstract: Provided is a mask blank in which uniformity of the composition and optical characteristics of a phase-shift film in the in-plane direction and direction of film thickness is high, uniformity of the composition and optical characteristics of the phase-shift film between a plurality of substrates is also high, and defectivity is low even if a silicon-based material is applied to the material that forms the phase-shift film.
    Type: Application
    Filed: March 9, 2017
    Publication date: June 22, 2017
    Applicant: HOYA CORPORATION
    Inventors: Hiroaki SHISHIDO, Kazuya SAKAI
  • Patent number: 9625806
    Abstract: Provided is a mask blank in which uniformity of the composition and optical characteristics of a phase-shift film in the in-plane direction and direction of film thickness is high, uniformity of the composition and optical characteristics of the phase-shift film between a plurality of substrates is also high, and defectivity is low even if a silicon-based material is applied to the material that forms the phase-shift film.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: April 18, 2017
    Assignee: HOYA CORPORATION
    Inventors: Osamu Nozawa, Hiroaki Shishido, Kazuya Sakai
  • Patent number: 9625805
    Abstract: The present invention is a reflective mask blank used to fabricate a reflective mask, which has a laminated structure of a multilayer reflective film, an absorber film and an etching mask film in this order on a substrate, wherein the etching mask film comprises a material containing chromium, the absorber film comprises a material containing tantalum, a highly oxidized layer is formed on the surface layer of the absorber film on the opposite side from the substrate, and a Ta 4f narrow spectrum of the highly oxidized layer when analyzed by X-ray photoelectron spectroscopy has a maximum peak at a binding energy of more than 23 eV.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: April 18, 2017
    Assignee: HOYA CORPORATION
    Inventors: Kazuya Sakai, Ryo Ohkubo, Osamu Nozawa, Toshiyuki Suzuki
  • Patent number: 9535320
    Abstract: Provided is a method of manufacturing a mask blank that is improved in cleaning resistance to ozone cleaning or the like, thus capable of preventing degradation of the mask performance due to the cleaning. The method is for manufacturing a mask blank having, on a substrate, a thin film which is formed at its surface with an antireflection layer made of a material containing a transition metal, and carries out a treatment of causing a highly concentrated ozone gas with a concentration of 50 to 100 vol % to act on the antireflection layer to thereby form a surface modified layer comprising a strong oxide film containing an oxide of the transition metal at a surface of the antireflection layer.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: January 3, 2017
    Assignee: HOYA CORPORATION
    Inventors: Kazuya Sakai, Masahiro Hashimoto