Patents by Inventor Masaki Takeuchi

Masaki Takeuchi 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: 20210374495
    Abstract: Provided is a structure for individual authentication in which a pillar pattern region including a plurality of nanopillars formed of synthetic quartz glass is formed on at least a part of a surface portion of a synthetic quartz glass substrate. In the pillar pattern region, the nanopillars have an indentation elastic modulus of 35 to 100 GPa as measured by a nanoindentation method, and the nanopillars are plastically deformed.
    Type: Application
    Filed: May 25, 2021
    Publication date: December 2, 2021
    Applicants: Shin-Etsu Chemical Co., Ltd., TOHOKU UNIVERSITY
    Inventors: Masao ANDO, Hiroyuki YAMAZAKI, Masaki TAKEUCHI, Masaru NAKAGAWA, Shunya ITO
  • Publication number: 20210355025
    Abstract: Provided is a substrate for transferring microstructures such as a micro LED including an engraved mark. The substrate for transferring microstructures is less likely to cause a recognizing error of the engraved mark to occur in a reading device, and makes it possible to stably and continuously read the engraved mark. A substrate for transferring microstructures includes a synthetic quartz glass substrate and a silicone pressure-sensitive adhesive agent layer provided on a front surface of the synthetic quartz glass substrate. The substrate includes an engraved mark provided in the from surface.
    Type: Application
    Filed: May 6, 2021
    Publication date: November 18, 2021
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Shuhei UEDA, Masaki TAKEUCHI, Hiroyuki YAMAZAKI, Kento TSUKADA
  • Publication number: 20210351326
    Abstract: A lid for an optical element package, comprising: a window material provided in front of the light emitting direction of an optical element of a housing member, inside of which the optical element is housed; and a metal-based adhesive layer formed on a part at which the window material contacts the housing member, wherein with the lid for an optical element package, the metal-based adhesive layer is formed by an adhesive composition including metal nanoparticles, a solder powder, and a dispersion medium coated by a coating agent. It is possible to address deterioration and cracking due to light of short wavelengths, distortion or decay of the adhesive agent due to heat generation of the light emitting element, and the problem of long-term reliability accompanying these. Specifically, it is possible to provide the lid for an optical element package and the optical element package with excellent heat resistance, ultraviolet resistance, etc.
    Type: Application
    Filed: September 2, 2019
    Publication date: November 11, 2021
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Harunobu MATSUI, Daijitsu HARADA, Masaki TAKEUCHI
  • Publication number: 20210316405
    Abstract: A sealing composition which can be handled in a semi-cured state and can obtain a sintered body having excellent joining strength and sealing performance is provided. A sealing composition including a solder powder, coated silver particles including silver core particles and a coating agent arranged on a surface of the silver core particles, and a solvent is provided. Further, a sintering temperature (T2) of the coated silver particles and a boiling point (T3) of the solvent satisfy T2?T3.
    Type: Application
    Filed: August 30, 2019
    Publication date: October 14, 2021
    Inventors: Yu OYAMA, Hidefumi KINDA, Daisuke KURITA, Harunobu MATSUI, Daijitsu HARADA, Masaki TAKEUCHI
  • Publication number: 20210292497
    Abstract: The present invention relates to polymerizable composition containing a cycloolefin monomer, a metathesis polymerization catalyst, a radical generator, a diisocyanate compound, and a polyfunctional (meth)acrylate compound. The composite material produced by using a polymerizable composition of the present invention has excellent mechanical strength and does not cause odor.
    Type: Application
    Filed: June 4, 2021
    Publication date: September 23, 2021
    Applicant: RIMTEC Corporation
    Inventor: Masaki Takeuchi
  • Publication number: 20210293994
    Abstract: A synthetic quartz glass substrate with an antireflection film, including: a synthetic quartz glass substrate; and an antireflection film formed on a main surface of the synthetic quartz glass substrate, wherein a contact angle measured by a sessile drop method of JIS R 3257:1999 of the main surface of the synthetic quartz glass substrate is within 5 degrees, and the antireflection film includes a first layer containing Al2O3, a second layer containing HfO2, and a third layer containing MgF2 or SiO2 sequentially laminated on the main surface of the synthetic quartz glass substrate.
    Type: Application
    Filed: March 10, 2021
    Publication date: September 23, 2021
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Harunobu MATSUI, Daijitsu HARADA, Masaki TAKEUCHI
  • Publication number: 20210268525
    Abstract: Provided is a foam discharger including: a mixing portion for mixing a liquid agent and a gas to foam the liquid agent; a discharge opening for discharging the foamed liquid agent; and a flow path in communication with the discharge opening, and for supplying the foamed liquid agent from the mixing portion to the discharge opening. The discharge opening is provided with a first porous member. On an upstream side of the first porous member, a cross-sectional area of the flow path on a cross section orthogonal to a supply direction in which the foamed liquid agent is to be supplied increases along the supply direction. The cross-sectional area of the flow path at the discharge opening is at least 1.2 times the minimum cross-sectional area of the flow path.
    Type: Application
    Filed: June 5, 2019
    Publication date: September 2, 2021
    Applicant: Kao Corporation
    Inventors: Masaki TAKEUCHI, Noboru YASHIMA, Yoshinori INAGAWA, Shinji OGURI
  • Publication number: 20210221934
    Abstract: A composite material obtained by impregnating a fibrous filler to which a hydrocarbon-based resin is attached with a polymerizable composition containing a cycloolefin monomer and a metathesis polymerization catalyst is provided. According to the present invention, it is possible to provide a composite material which has no impregnation unevenness and can give a composite material molded article having excellent strength.
    Type: Application
    Filed: June 5, 2019
    Publication date: July 22, 2021
    Applicant: RIMTEC Corporation
    Inventor: Masaki Takeuchi
  • Publication number: 20210226001
    Abstract: A semiconductor device that includes a semiconductor substrate having a first main surface and a second main surface that face each other in a thickness direction, the first main surface containing a trench; an insulation layer on a surface of the trench; a first electrode layer on the insulation layer; a first dielectric layer on the first electrode layer; and a second electrode layer on the first dielectric layer, in which a thickness (L1) of the insulation layer, a thickness (L2) of the first electrode layer, and a thickness (L4) of the second electrode layer satisfy L1>L2>L4.
    Type: Application
    Filed: November 5, 2020
    Publication date: July 22, 2021
    Inventors: Koichi Nishita, Masaki Takeuchi, Yutaka Takeshima, Kazuhiro Inoue
  • Publication number: 20210226007
    Abstract: A semiconductor device that includes a semiconductor substrate having a first main surface and a second main surface facing each other in a thickness direction, the first main surface including a trench. The trench has a predetermined depth in the thickness direction and has a substantially wedge shape that has a first side surface and a second side surface that face each other and are not parallel to each other, and a first end surface and a second end surface that face each other and are substantially parallel to each other. The first side surface and the second side surface intersect each other at a line, or extension surfaces of the first side surface and the second side surface extended in the thickness direction intersect each other at a line, and the line extends in a first direction that does not align with a cleavage plane of the semiconductor substrate.
    Type: Application
    Filed: October 14, 2020
    Publication date: July 22, 2021
    Inventors: Koichi Nishita, Masaki Takeuchi, Yutaka Takeshima, Kazuhiro Inoue
  • Publication number: 20210226000
    Abstract: A semiconductor device that includes a semiconductor substrate; a first capacitance section on the semiconductor substrate, the first capacitance section including a first electrode layer, a first dielectric layer, and a second electrode layer; a second capacitance section on the semiconductor substrate, the second capacitance section including a third electrode layer, a second dielectric layer, and a fourth electrode layer; a first external electrode; a second external electrode; a first lead wire led out from the first capacitance section to the first external electrode and having an inductance L1; and a second lead wire led out from the second capacitance section to the second external electrode and having an inductance L2, wherein an electrostatic capacity C1 of the first capacitance section and an electrostatic capacity C2 of the second capacitance section are different, and L1/L2=0.8 to 1.2.
    Type: Application
    Filed: October 8, 2020
    Publication date: July 22, 2021
    Inventors: Koichi Nishita, Masaki Takeuchi, Yutaka Takeshima, Kazuhiro Inoue
  • Patent number: 11053366
    Abstract: The present invention relates to polymerizable composition containing a cycloolefin monomer, a metathesis polymerization catalyst, a radical generator, a diisocyanate compound, and a polyfunctional (meth)acrylate compound. The composite material produced by using a polymerizable composition of the present invention has excellent mechanical strength and does not cause odor.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: July 6, 2021
    Assignee: RIMTEC CORPORATION
    Inventor: Masaki Takeuchi
  • Publication number: 20210152777
    Abstract: A network system includes: a plurality of terminals configured to hold a chat and a video conference; and a server configured to cause a candidate for a file of a document to be selected on a screen for the chat at one terminal of the plurality of terminals and to launch the video conference with the document ready to be referenced when a first button for starting the video conference is pressed at the one terminal.
    Type: Application
    Filed: November 12, 2020
    Publication date: May 20, 2021
    Inventors: MASAKI TAKEUCHI, SHUICHI SATOH, SATOSHI OHTA, HIROSHI OHKUBO, MASANORI OGINO, HIROAKI IWAKURA
  • Patent number: 10948817
    Abstract: A circular mold-forming substrate of 125-300 mm diameter having a surface on which a topological pattern is to be formed is provided wherein the thickness of the substrate has a variation of up to 2 ?m within a circle having a diameter of 125 mm.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: March 16, 2021
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Daijitsu Harada, Masaki Takeuchi
  • Publication number: 20210027951
    Abstract: A plurality of capacitors and a holding body constructed to hold the plurality of capacitors. Each of the plurality of capacitors includes a semiconductor substrate, a first electrode layer, a dielectric layer, a second electrode layer, and an outer electrode. Among a first capacitor and a second capacitor of the plurality of capacitors, the second capacitor has a shape different from a shape of the first capacitor in at least one of the first electrode layer, the second electrode layer, and the outer electrode.
    Type: Application
    Filed: October 13, 2020
    Publication date: January 28, 2021
    Inventors: Masatomi Harada, Masaki Takeuchi, Takeshi Kagawa, Hiroshi Matsubara
  • Patent number: 10903309
    Abstract: A capacitor that includes a substrate having a first main surface and a second main surface that are opposite to each other, and a plurality of trench portions on the first main surface; a dielectric film adjacent the first main surface of the substrate and extending into interiors of the plurality of trench portions; a conductor film on the dielectric film and extending into the interiors of the plurality of trench portions; and a bonding pad electrically connected to the conductor film. In a plan view from a direction normal to the first main surface of the substrate, the plurality of trench portions are arranged in second regions disposed along a second direction and not in first regions disposed along a first direction in which a bonding wire electrically connected to the bonding pad extends.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: January 26, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Masaki Takeuchi, Tomoyuki Ashimine
  • Publication number: 20200396336
    Abstract: A network system is provided to efficiently provide various types of information via a chat using text and voice. The network system includes a first terminal used by a user, a second terminal used by an advisor, and a server configured to automatically conduct a chat with the user using a chatbot, and, in a case where a prescribed condition is satisfied, cause at least one advisor to takeover the chat with the user.
    Type: Application
    Filed: June 10, 2020
    Publication date: December 17, 2020
    Inventors: MASAKI TAKEUCHI, AKIRA TOJIMA
  • Patent number: 10865141
    Abstract: A synthetic quartz glass lid for use in optical device packages is prepared by furnishing a synthetic quartz glass lid precursor comprising a synthetic quartz glass substrate (1) and a metal or metal compound film (2), and forming a metal base adhesive layer (3) on the metal or metal compound film (2). The metal or metal compound film contains Ag, Bi, and at least one element selected from P, Sb, Sn and In.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: December 15, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Harunobu Matsui, Daijitsu Harada, Masaki Takeuchi
  • Patent number: 10865139
    Abstract: A large-size synthetic quartz glass substrate has a diagonal length of at least 1,000 mm. Provided that an effective range is defined on the substrate surface, and the effective range is partitioned into a plurality of evaluation regions such that the evaluation regions partly overlap each other, a flatness in each evaluation region is up to 3 ?m. From the quartz glass substrate having a high flatness and a minimal local gradient within the substrate surface, a large-size photomask is prepared.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: December 15, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoko Ishitsuka, Atsushi Watabe, Daijitsu Harada, Masaki Takeuchi
  • Patent number: 10829411
    Abstract: A rectangular glass substrate has a front surface, a back surface, four side surfaces, and eight chamfered surfaces, and a thickness of at least 6 mm. A first curved surface along the edge line between the front surface and the chamfered surface disposed adjacent thereto has an average gradient of up to 25% in a range from the front surface to a position of 50 ?m below the front surface when the substrate is rested horizontal with the front surface facing upward. A second curved surface along the edge line between at least one of four side surfaces and the chamfered surface disposed adjacent to the front surface has an average gradient of at least 30% in a range from the at least one side surface to a position of 50 ?m below the at least one side surface when the substrate is rested horizontal with the at least one side surface facing upward.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: November 10, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Daijitsu Harada, Masaki Takeuchi