Patents by Inventor Tetsuji Yamaguchi

Tetsuji Yamaguchi 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).

  • Patent number: 11227884
    Abstract: The present technique relates to a solid-state imaging device and an imaging apparatus that enable provision of a solid-state imaging device having superior color separation and high sensitivity.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: January 18, 2022
    Assignee: SONY CORPORATION
    Inventor: Tetsuji Yamaguchi
  • Publication number: 20220011213
    Abstract: A particle size distribution measurement device includes a cell holding body 31 that holds a measurement cell 2 containing a measurement sample and a dispersion medium and a reference cell 6 containing a reference sample and is rotated by a motor 322, and a cell discrimination mechanism 7 that discriminates the cells 2, 6 passing through a predetermined rotation position by using a magnetic force or electrostatic capacitance.
    Type: Application
    Filed: October 29, 2019
    Publication date: January 13, 2022
    Inventors: Tetsuji YAMAGUCHI, Hitoshi WATANABE, Hidetaka OSAWA, Ken ASAKURA, Kenichi NEMOTO
  • Patent number: 11223758
    Abstract: The present disclosure relates to a solid-state imaging device, a method for driving the solid-state imaging device, and an electronic device capable of improving auto-focusing accuracy by using a phase difference signal obtained by using a photoelectric conversion film. The solid-state imaging device includes a pixel including a photoelectric conversion portion having a structure where a photoelectric conversion film is interposed by an upper electrode on the photoelectric conversion film and a lower electrode under the photoelectric conversion film. The upper electrode is divided into a first upper electrode and a second upper electrode. The present disclosure can be applied to, for example, a solid-state imaging device or the like.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: January 11, 2022
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Keisuke Hatano, Fumihiko Koga, Tetsuji Yamaguchi, Shinichiro Izawa
  • Publication number: 20220005873
    Abstract: A solid state imaging device that includes a substrate having oppositely facing first and second surfaces and a photoelectric conversion unit layer having a light incident side facing away from the substrate. The substrate includes a first photoelectric conversion unit and a second photoelectric conversion and the photoelectric conversion layer includes a third photoelectric conversion unit.
    Type: Application
    Filed: September 22, 2021
    Publication date: January 6, 2022
    Applicant: Sony Group Corporation
    Inventor: Tetsuji Yamaguchi
  • Publication number: 20210408124
    Abstract: There is provided a solid-state image pickup device that includes a functional region provided with an organic film, and a guard ring surrounding the functional region.
    Type: Application
    Filed: June 30, 2021
    Publication date: December 30, 2021
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Keisuke Hatano, Tetsuji Yamaguchi, Shintarou Hirata
  • Patent number: 11211422
    Abstract: Provided is a solid-state image sensor of a vertical spectral diffraction type in which a plurality of photoelectric conversion units are stacked in a region of each pixel, the solid-state image sensor includes a first photoelectric conversion module that includes a first photoelectric conversion unit that to performs photoelectric conversion on light in a first wavelength range of incident light, a first upper electrode and a first lower electrode with the first photoelectric conversion unit between the first upper electrode and the first lower electrode, and a first spectral correction unit between the first upper electrode and the first lower electrode stacked on the first photoelectric conversion unit and a second photoelectric conversion unit that performs photoelectric conversion on light in a second wavelength range of light that has passed through the first photoelectric conversion module, the second wavelength range is different from the first wavelength range.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: December 28, 2021
    Assignee: SONY CORPORATION
    Inventors: Hideaki Mogi, Yohei Hirose, Shintarou Hirata, Yuya Kumagai, Tetsuji Yamaguchi, Masaki Murata, Yasuharu Ujiie
  • Patent number: 11198793
    Abstract: [Problem] To provide an aqueous coating agent composition (in particular, an aqueous coating composition for lubricating films that contains a solid lubricant) which as a whole is excellent in terms of flowability, applicability, and storage stability and which is capable of forming satisfactory and smooth coating films effective in stick-slip inhibition. [Solution] The problem can be solved with an aqueous coating agent composition which comprises (A) a curable resin in an aqueous emulsion form, (B) a surfactant, (C) solid particles, (D) one or more nitrogenous heterocyclic compounds, (E) a film-forming silicone in an aqueous emulsion form, and (F) water. In particular, it is preferable that the (C) component comprise a solid lubricant. In view of the environmental regulations, it is especially preferable that the (D) component be 1,3-dimethyl-2-imidazolidinone.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: December 14, 2021
    Assignee: Dupont Toray Specialty Materials Kabushiki Kaisha
    Inventors: Takahiko Sasaki, Tetsuji Yamaguchi, Kazuhiko Kojima
  • Publication number: 20210381944
    Abstract: An object of the present claimed invention is to improve cell cooling performance, keep a temperature of a dispersion medium constant, and improve measurement accuracy. The particle size distribution measuring device of this invention comprises a cell holding body 31 that holds a cell 2 housing a measurement sample and that is rotated by a motor 322, a case (C) having a housing space (S) for rotatably housing the cell holding body 31, and a cooling mechanism 8 for cooling the cell 2. The cooling mechanism 8 comprises a cooler 81, and a supply channel 82 that supplies a gas that has been cooled by the cooler 81 to the housing space (S).
    Type: Application
    Filed: October 29, 2019
    Publication date: December 9, 2021
    Inventors: Tetsuji YAMAGUCHI, Takeshi AKAMATSU
  • Publication number: 20210375967
    Abstract: The present technique relates to a solid-state imaging device and an imaging apparatus that enable provision of a solid-state imaging device having superior color separation and high sensitivity. The solid-state imaging device includes a semiconductor layer in which a surface side becomes a circuit formation surface, photoelectric conversion units PD1 and PD2 of two layers or more that are stacked and formed in the semiconductor layer, and a longitudinal transistor Tr1 in which a gate electrode is formed to be embedded in the semiconductor layer from a surface of the semiconductor layer. The photoelectric conversion unit PD1 of one layer in the photoelectric conversion units of the two layers or more is formed over a portion of the gate electrode of the longitudinal transistor Tr1 embedded in the semiconductor substrate and is connected to a channel formed by the longitudinal transistor Tr1.
    Type: Application
    Filed: August 12, 2021
    Publication date: December 2, 2021
    Applicant: Sony Group Corporation
    Inventor: Tetsuji Yamaguchi
  • Patent number: 11180654
    Abstract: A film is formed by use of a composition containing (A) a binder resin, (B) a hard particle, and (C) a solid lubricant selected from the group containing molybdenum disulfide and graphite, wherein the composition contains tungsten carbide as the hard particle, and wherein weight ratio of (B) the hard particles and (C) the solid lubricant, (B)/(C), is in the range of 1 to 3.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: November 23, 2021
    Assignee: DUPONT TORAY SPECIALTY MATERIALS KABUSHIKI KAISHA
    Inventors: Takahiko Sasaki, Tetsuji Yamaguchi
  • Patent number: 11169068
    Abstract: A particle size distribution measurement device contains a specific particle size light intensity calculation unit that calculates a light intensity generated by particles having a specific particle size that are contained in an object, a correlation data storage unit that stores particle number-light intensity correlation data, and a particle number calculation unit that calculates the number of particles having a specific particle size that are contained in the object being measured based on light intensities calculated by the specific particle size light intensity calculation unit, and on the particle number-light intensity correlation data.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: November 9, 2021
    Assignee: HORIBA, LTD.
    Inventors: Tetsuji Yamaguchi, Keijiro Sakuramoto, Tetsuya Mori, Hirosuke Sugasawa
  • Publication number: 20210335874
    Abstract: The present disclosure relates to a solid-state imaging device, a method for driving the solid-state imaging device, and an electronic device capable of improving auto-focusing accuracy by using a phase difference signal obtained by using a photoelectric conversion film. The solid-state imaging device includes a pixel including a photoelectric conversion portion having a structure where a photoelectric conversion film is interposed by an upper electrode on the photoelectric conversion film and a lower electrode under the photoelectric conversion film. The upper electrode is divided into a first upper electrode and a second upper electrode. The present disclosure can be applied to, for example, a solid-state imaging device or the like.
    Type: Application
    Filed: July 8, 2021
    Publication date: October 28, 2021
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Keisuke HATANO, Fumihiko KOGA, Tetsuji YAMAGUCHI, Shinichiro IZAWA
  • Patent number: 11158677
    Abstract: A solid state imaging device that includes a substrate having oppositely facing first and second surfaces and a photoelectric conversion unit layer having a light incident side facing away from the substrate. The substrate includes a first photoelectric conversion unit and a second photoelectric conversion and the photoelectric conversion layer includes a third photoelectric conversion unit.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: October 26, 2021
    Assignee: SONY CORPORATION
    Inventor: Tetsuji Yamaguchi
  • Publication number: 20210320149
    Abstract: A photoelectric conversion element according to an embodiment of the present disclosure includes: a first electrode and a second electrode facing each other; and a photoelectric conversion layer provided between the first electrode and the second electrode, and including a first organic semiconductor material, a second organic semiconductor material, and a third organic semiconductor material that have mother skeletons different from one another. The first organic semiconductor material is one of fullerenes and fullerene derivatives. The second organic semiconductor material in a form of a single-layer film has a higher linear absorption coefficient of a maximal light absorption wavelength in a visible light region than a single-layer film of the first organic semiconductor material and a single-layer film of the third organic semiconductor material. The third organic semiconductor material has a value equal to or higher than a HOMO level of the second organic semiconductor material.
    Type: Application
    Filed: June 3, 2021
    Publication date: October 14, 2021
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Yuta HASEGAWA, Nobuyuki MATSUZAWA, Yoshiaki OBANA, Ichiro TAKEMURA, Norikazu NAKAYAMA, Masami SHIMOKAWA, Tetsuji YAMAGUCHI, Iwao YAGI, Hideaki MOGI
  • Publication number: 20210310925
    Abstract: The present claimed invention is to facilitate cleaning work of a cell for a particle size distribution measuring device that measures a particle size distribution by means of a line start method, and comprises a cell 2 that houses a density gradient solution, a cell rotating mechanism 3 that rotates the cell 2 so that a centrifugal force is applied to the cell 2 from a smaller density gradient to a larger density gradient and a sample introducing mechanism 7 that introduces a measurement sample into the cell 2 that is rotated by the cell rotating mechanism 3, and is so configured that the cell 2 is detachable from a main body of the device.
    Type: Application
    Filed: October 29, 2019
    Publication date: October 7, 2021
    Inventors: Tetsuji YAMAGUCHI, Takeshi AKAMATSU, Tatsuo IGUSHI
  • Publication number: 20210293686
    Abstract: A particle size distribution measurement device contains a specific particle size light intensity calculation unit that calculates a light intensity generated by particles having a specific particle size that are contained in an object, a correlation data storage unit that stores particle number-light intensity correlation data, and a particle number calculation unit that calculates the number of particles having a specific particle size that are contained in the object being measured based on light intensities calculated by the specific particle size light intensity calculation unit, and on the particle number-light intensity correlation data.
    Type: Application
    Filed: October 11, 2017
    Publication date: September 23, 2021
    Inventors: Tetsuji YAMAGUCHI, Keijiro SAKURAMOTO, Tetsuya MORI, Hirosuke SUGASAWA
  • Publication number: 20210288113
    Abstract: The present technology relates to an imaging element and an electronic apparatus which make it possible to acquire a variety of information regarding a subject including polarization information. Included are an organic photoelectric conversion film that has a light-transmitting property, is oriented in a predetermined axial direction, and includes a step; an upper electrode arranged on a light incident surface side of the organic photoelectric conversion film; and a lower electrode arranged on a side of the organic photoelectric conversion film facing the upper electrode. Protrusions and recesses are formed on the light incident surface side of the organic photoelectric conversion film. An accumulation layer that accumulates an electric charge converted by the organic photoelectric conversion film is included between the organic photoelectric conversion film and the lower electrode, and the step is formed depending on the presence or absence of the accumulation layer.
    Type: Application
    Filed: July 12, 2019
    Publication date: September 16, 2021
    Inventors: NANAKO KAWAGUCHI, TETSUJI YAMAGUCHI, MASASHI NAKATA
  • Publication number: 20210246310
    Abstract: A film is formed by use of a composition containing (A) a binder resin, (B) a hard particle, and (C) a solid lubricant selected from the group containing molybdenum disulfide and graphite, wherein the composition contains tungsten carbide as the hard particle, and wherein weight ratio of (B) the hard particles and (C) the solid lubricant, (B)/(C), is in the range of 1 to 3.
    Type: Application
    Filed: May 31, 2019
    Publication date: August 12, 2021
    Inventors: Takahiko SASAKI, Tetsuji YAMAGUCHI
  • Patent number: 11081527
    Abstract: There is provided a solid-state image pickup device that includes a functional region provided with an organic film, and a guard ring surrounding the functional region.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: August 3, 2021
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Keisuke Hatano, Tetsuji Yamaguchi, Shintarou Hirata
  • Publication number: 20210211573
    Abstract: [Problem] Proposed are a new and improved imaging device, imaging device control unit, and imaging method capable of stably adjusting various parameters of the imaging device without significantly changing the design of the imaging device. [Solution] Provided is an imaging device including a rotating shaft insertion portion allowed to be attached to and detached from a housing, a rotating shaft having an operation member being inserted into the rotating shaft insertion portion, a rotation amount detector that detects a rotation amount of the rotating shaft, and a controller that controls a control target based on the rotation amount.
    Type: Application
    Filed: August 2, 2018
    Publication date: July 8, 2021
    Inventor: TETSUJI YAMAGUCHI