Patents by Inventor Taku Watanabe

Taku Watanabe 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: 11054786
    Abstract: An image forming apparatus includes an image bearing member, a charging member for charging the image bearing member, an exposure unit for exposing the charged surface of the image bearing member, a developing apparatus that supplies a developer containing a toner particle and an external additive having an opposite charging polarity to the regular charging polarity of the toner particle to the image bearing member, a cleaning member for removing the developer from the image bearing member, a transfer member for transferring a developer image on the image bearing member onto a transfer subject material, and a voltage application unit for applying a voltage to the transfer member. During an image non-formation period as a lubrication operation to the cleaning member, (i) the developer is supplied to the image bearing member, and (ii) a voltage having an identical polarity to a voltage applied during the image formation operation is applied.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: July 6, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yuichiro Hirata, Taku Watanabe, Shunsuke Matsushita, Takayoshi Kihara
  • Patent number: 10802419
    Abstract: A method of manufacturing a developer container including a frame configured to define a developer containing portion, a first electrode, and a second electrode arranged on a surface of the frame and having a surface opposed to the first electrode, a developer amount in the developer containing portion being detected based on a capacitance between the first electrode and the second electrode, the method including: holding a conductive resin member constituting the second electrode on a mold configured to mold the frame, a surface of the conductive resin member being in contact with a surface of the mold configured to mold a surface of the frame on a side of the developer containing portion; injecting a resin to be formed into the frame, into the mold on which the conductive resin member is held; and curing the resin to form the frame to which the second electrode is fixed.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: October 13, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Taku Watanabe, Masahito Kato, Go Shindo, Atsushi Toda, Katsuichi Abe, Motonari Ito, Akira Suzuki, Junichi Matsumura, Naoki Matsumaru
  • Patent number: 10761085
    Abstract: A method for determining an interaction between a first protein and a second protein comprises the steps of: expressing in a cell or introducing into a cell a first fusion protein comprising the first protein, a multimerizable protein, and a fluorescent protein, and a second fusion protein comprising the second protein and a multimerizable protein; detecting a fluorescent focus formed by an association between the first fusion protein and the second fusion protein in the cell; and determining an interaction between the first protein and the second protein according to the detection of the fluorescent focus.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: September 1, 2020
    Assignee: MEDICAL & BIOLOGICAL LABORATORIES CO., LTD.
    Inventors: Taku Watanabe, Toru Shoji, Shun Matsuzawa
  • Publication number: 20200218195
    Abstract: An image forming apparatus includes an image bearing member, a charging member for charging the image bearing member, an exposure unit for exposing the charged surface of the image bearing member, a developing apparatus that supplies a developer containing a toner particle and an external additive having an opposite charging polarity to the regular charging polarity of the toner particle to the image bearing member, a cleaning member for removing the developer from the image bearing member, a transfer member for transferring a developer image on the image bearing member onto a transfer subject material, and a voltage application unit for applying a voltage to the transfer member. During an image non-formation period as a lubrication operation to the cleaning member, (i) the developer is supplied to the image bearing member, and (ii) a voltage having an identical polarity to a voltage applied during the image formation operation is applied.
    Type: Application
    Filed: December 30, 2019
    Publication date: July 9, 2020
    Inventors: Yuichiro Hirata, Taku Watanabe, Shunsuke Matsushita, Takayoshi Kihara
  • Patent number: 10649384
    Abstract: An image bearing member unit and a developing unit are respectively configured to be attachable to and detachable from an apparatus main body of an image forming apparatus, the image bearing member unit has a first memory that stores information related to a toner amount during a toner supply in accordance with a use amount of the image bearing member unit, the developing unit has a second memory that stores information related to a toner amount during the toner supply in accordance with a use amount of the developing unit, and a control device controls, during the toner supply, the toner supply with a toner amount based on the information stored in the first memory and the information stored in the second memory.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: May 12, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kodai Hayashi, Taku Watanabe, Shuhei Kawasaki, Keisuke Endoh
  • Publication number: 20200108318
    Abstract: A program, a control method, and an information processing apparatus capable of improving excitement of a game. An information processing apparatus (including a server device and a terminal device) executing a process of a game including game content for performing a battle using a plurality of game media may store the plurality of game media selected by a user of the game in association with the user, display some game media among the plurality of game media in a field area and proceed with the game content, and perform a process for providing a cooperation effect including changing of a parameter of a first game medium included in some game media when the first game medium satisfies a predetermined condition and a second game medium in a predetermined relationship with the first game medium and not included in some game media is included in the plurality of game media.
    Type: Application
    Filed: December 5, 2019
    Publication date: April 9, 2020
    Applicant: GREE, Inc.
    Inventors: Taku WATANABE, Norifumi OKUMURA, Takayuki ITOH, Kanji UEMURA, Naoko HANADA
  • Patent number: 10532289
    Abstract: A program, a control method, and an information processing apparatus capable of improving excitement of a game. An information processing apparatus (including a server device and a terminal device) executing a process of a game including game content for performing a battle using a plurality of game media may store the plurality of game media selected by a user of the game in association with the user, display some game media among the plurality of game media in a field area and proceed with the game content, and perform a process for providing a cooperation effect including changing of a parameter of a first game medium included in some game media when the first game medium satisfies a predetermined condition and a second game medium in a predetermined relationship with the first game medium and not included in some game media is included in the plurality of game media.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: January 14, 2020
    Assignee: GREE, Inc.
    Inventors: Taku Watanabe, Norifumi Okumura, Takayuki Itoh, Kanji Uemura, Naoko Hanada
  • Publication number: 20200004194
    Abstract: An image forming apparatus including a holding apparatus configured to collect residual developer remaining on an intermediate transfer belt and temporarily hold the residual developer, and a cleaning member configured to remove toner borne on the photosensitive drum that moves the toner held by the holding apparatus to the intermediate transfer belt and discharging the toner. Toner from a development roller is supplied to the cleaning member before toner reversely transferred from the intermediate transfer belt is supplied to the cleaning member.
    Type: Application
    Filed: June 24, 2019
    Publication date: January 2, 2020
    Inventors: Bunro Noguchi, Taku Watanabe, Yusaku Iwasawa, Yuichiro Hirata
  • Patent number: 10444671
    Abstract: An image forming apparatus includes an agitating member, a first electrode, a second electrode disposed with a gap from the first electrode such that the gap has a smallest portion located below a rotation center of the agitating member and a remote portion wider than the smallest portion and located above the smallest portion, and a frame body having a first wall surface having the first electrode disposed thereon and a second wall surface having the second electrode disposed thereon, and a developer detecting unit configured to detect an amount of developer from an output value output in accordance with a capacitance formed between the first electrode and the second electrode. The image forming apparatus performs correction and detects the amount of developer.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: October 15, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenta Shibukawa, Masahito Kato, Atsushi Toda, Taku Watanabe
  • Publication number: 20190227476
    Abstract: An image bearing member unit and a developing unit are respectively configured to be attachable to and detachable from an apparatus main body of an image forming apparatus, the image bearing member unit has a first memory that stores information related to a toner amount during a toner supply in accordance with a drive amount of the image bearing member, the developing unit has a second memory that stores information related to a toner amount during the toner supply in accordance with a use amount of the developing unit, and a control device controls, during the toner supply, the toner supply with a toner amount based on the information stored in the first memory and the information stored in the second memory.
    Type: Application
    Filed: January 22, 2019
    Publication date: July 25, 2019
    Inventors: Kodai Hayashi, Taku Watanabe, Shuhei Kawasaki, Keisuke Endoh
  • Publication number: 20190190064
    Abstract: An all-solid secondary battery, comprising: a cell comprising a positive electrode active material layer, a negative electrode active material comprising at least one of lithium metal and a lithium-containing alloy, and a solid electrolyte layer disposed between the positive electrode active material layer and the negative electrode active material layer, wherein a ratio of volume density to true density of the positive electrode active material layer is about 0.6 or greater, wherein a ratio of volume density to true density of the solid electrolyte layer is about 0.6 or greater, and wherein an average pressure applied to opposite sides of the solid electrolyte layer in a fully discharged state is greater than 0 megapascals and 7.5 megapascals or less.
    Type: Application
    Filed: September 27, 2018
    Publication date: June 20, 2019
    Inventors: Satoshi FUJIKI, Takanobu YAMADA, Taku WATANABE, Yuichi AIHARA, Shiratsuchi TOMOYUKI
  • Patent number: 10246404
    Abstract: The bifunctional compound according to the present invention is represented by the following formula (1): wherein R1 is a hydrogen atom, CH3, or C2H5; R2 and R3 are each independently a hydrogen atom or CH3; and X is a hydrogen atom or a hydrocarbon group having no more than 4 carbon atoms and optionally containing a hydroxyl group.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: April 2, 2019
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Taku Watanabe, Takashi Motoi, Yasuaki Yoshimura
  • Publication number: 20190001225
    Abstract: A program, a control method, and an information processing apparatus capable of improving excitement of a game. An information processing apparatus (including a server device and a terminal device) executing a process of a game including game content for performing a battle using a plurality of game media may store the plurality of game media selected by a user of the game in association with the user, display some game media among the plurality of game media in a field area and proceed with the game content, and perform a process for providing a cooperation effect including changing of a parameter of a first game medium included in some game media when the first game medium satisfies a predetermined condition and a second game medium in a predetermined relationship with the first game medium and not included in some game media is included in the plurality of game media.
    Type: Application
    Filed: June 27, 2018
    Publication date: January 3, 2019
    Applicant: GREE, Inc.
    Inventors: Taku Watanabe, Norifumi Okumura, Takayuki Itoh, Kanji Uemura, Naoko Hanada
  • Publication number: 20180239276
    Abstract: A method of manufacturing a developer container including a frame configured to define a developer containing portion, a first electrode, and a second electrode arranged on a surface of the frame and having a surface opposed to the first electrode, a developer amount in the developer containing portion being detected based on a capacitance between the first electrode and the second electrode, the method including: holding a conductive resin member constituting the second electrode on a mold configured to mold the frame, a surface of the conductive resin member being in contact with a surface of the mold configured to mold a surface of the frame on a side of the developer containing portion; injecting a resin to be formed into the frame, into the mold on which the conductive resin member is held; and curing the resin to form the frame to which the second electrode is fixed.
    Type: Application
    Filed: April 18, 2018
    Publication date: August 23, 2018
    Inventors: Taku Watanabe, Masahito Kato, Go Shindo, Atsushi Toda, Katsuichi Abe, Motonari Ito, Akira Suzuki, Junichi Matsumura, Naoki Matsumaru
  • Publication number: 20180226633
    Abstract: An anode for an all solid-state secondary battery, the anode including an anode collector, and coating lithium distribution layer disposed on the anode collector, wherein the lithium distribution layer includes a metal capable of forming an alloy with lithium.
    Type: Application
    Filed: February 7, 2018
    Publication date: August 9, 2018
    Inventors: Satoshi FUJIKI, Seitaro ITO, Taku WATANABE, Yuichi AIHARA, Takanobu YAMADA
  • Patent number: 9989888
    Abstract: A method of manufacturing a developer container including a frame configured to define a developer containing portion, a first electrode, and a second electrode arranged on a surface of the frame and having a surface opposed to the first electrode, a developer amount in the developer containing portion being detected based on a capacitance between the first electrode and the second electrode, the method including: holding a conductive resin member constituting the second electrode on a mold configured to mold the frame, a surface of the conductive resin member being in contact with a surface of the mold configured to mold a surface of the frame on a side of the developer containing portion; injecting a resin to be formed into the frame, into the mold on which the conductive resin member is held; and curing the resin to form the frame to which the second electrode is fixed.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: June 5, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Taku Watanabe, Masahito Kato, Go Shindo, Atsushi Toda, Katsuichi Abe, Motonari Ito, Akira Suzuki, Junichi Matsumura, Naoki Matsumaru
  • Publication number: 20180050978
    Abstract: The bifunctional compound according to the present invention is represented by the following formula (1): wherein R1 is a hydrogen atom, CH3, or C2H5; R2 and R3 are each independently a hydrogen atom or CH3; and X is a hydrogen atom or a hydrocarbon group having no more than 4 carbon atoms and optionally containing a hydroxyl group.
    Type: Application
    Filed: March 25, 2016
    Publication date: February 22, 2018
    Applicant: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Taku WATANABE, Takashi MOTOI, Yasuaki YOSHIMURA
  • Patent number: 9880495
    Abstract: This disclosure provides a developer container in which a conductive resin sheet is used as an electrode for detecting an amount of developer by using electrostatic capacitance. A configuration in which an end of the conductive resin sheet in a longitudinal direction is provided outside an end of a sheet member in a longitudinal direction, or a configuration in which the sheet member starts contact with the conductive resin sheet from a second surface on the downstream side in a direction or rotation than a first surface are also provided.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: January 30, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Bunro Noguchi, Taku Watanabe, Masahito Kato
  • Publication number: 20180004124
    Abstract: An image forming apparatus includes an agitating member, a first electrode, a second electrode disposed with a gap from the first electrode such that the gap has a smallest portion located below a rotation center of the agitating member and a remote portion wider than the smallest portion and located above the smallest portion, and a frame body having a first wall surface having the first electrode disposed thereon and a second wall surface having the second electrode disposed thereon, and a developer detecting unit configured to detect an amount of developer from an output value output in accordance with a capacitance formed between the first electrode and the second electrode. The image forming apparatus performs correction and detects the amount of developer.
    Type: Application
    Filed: June 29, 2017
    Publication date: January 4, 2018
    Inventors: Kenta Shibukawa, Masahito Kato, Atsushi Toda, Taku Watanabe
  • Patent number: D916038
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: April 13, 2021
    Assignee: Hitachi High-Tech Corporation
    Inventor: Taku Watanabe