Patents by Inventor Keigo Takauji

Keigo Takauji 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: 20240088343
    Abstract: An electrode manufacturing method includes a first step of applying an electrode liquid composition in a desired shape at a desired position on a substrate, the electrode liquid composition containing an electrode mixture material; a second step of acquiring positional information as to where the electrode liquid composition is applied; and a third step of cutting only the substrate at a desired position in a region other than an electrode mixture material region where the electrode liquid composition is applied to obtain an electrode cut out in a desired shape.
    Type: Application
    Filed: February 28, 2022
    Publication date: March 14, 2024
    Inventors: Hiromichi KURIYAMA, Satoshi NAKAJIMA, Shun GOTO, Tomomasa KAJITA, Masayoshi NOMURA, Keigo TAKAUJI, Miku OHKIMOTO
  • Patent number: 11909031
    Abstract: A disclosed film electrode includes an electrode base, and an active material layer formed on the electrode base, and a resin layer adhering to at least one of a peripheral portion of the active material layer and a surface of the active material layer in a direction extending along a plane of the electrode base.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: February 20, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Masahiro Masuzawa, Toru Ushirogochi, Hideo Yanagita, Yuu Zama, Aya Yoshida, Shigeo Takeuchi, Anna Hirowatari, Okitoshi Kimura, Kohji Matsuoka, Keigo Takauji, Miku Ohkimoto
  • Publication number: 20240047682
    Abstract: Provided is a liquid composition including a polymerizable compound and a liquid. The polymerizable compound includes a polymerizable compound having a functional group capable of forming a covalent bond with a hydroxyl group. The liquid composition forms a porous resin by polymerization. The light transmittance at a wavelength of 550 nm measured while stirring the liquid composition is 30% or more. In a process where the liquid composition forms the porous resin by polymerization, an increase rate of a haze value of a haze measuring element before and after the polymerization is 1.0% or more.
    Type: Application
    Filed: July 27, 2023
    Publication date: February 8, 2024
    Applicant: Ricoh Company, Ltd.
    Inventors: Miku Ohkimoto, Keigo Takauji, Daisuke Nose
  • Patent number: 11811072
    Abstract: A porous structure having pores communicating with each other is provided. The porous structure includes a porous structure portion A comprising a resin A and a porous structure portion B comprising a resin B. The porous structure portion A and the porous structure portion B are continuously integrated, and the resin A and the resin B are composed of different constituents.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: November 7, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Keigo Takauji, Toru Ushirogochi, Miku Ohkimoto, Naoki Sugihara, Daisuke Nose
  • Publication number: 20230340293
    Abstract: A liquid composition set contains a liquid composition X, containing a polymerizable compound X and a solvent X, and a liquid composition Y, containing a solvent Y. The liquid composition X is to form a porous resin. A liquid composition Z containing 10.0% by mass of the liquid composition X and 90.0% by mass of the liquid composition Y has a light transmittance of 30% or more at a wavelength of 550 nm, where the light transmittance is measured while the liquid composition Z is being stirred. A haze measuring element produced from the liquid composition Z has a haze increasing rate of 1.0% or more.
    Type: Application
    Filed: November 25, 2021
    Publication date: October 26, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Miku OHKIMOTO, Keigo Takauji, Daisuke Nose, Naoki Sugihara, Toru Ushirogochi
  • Patent number: 11732061
    Abstract: A liquid composition that contains a polymerizable compound and a solvent, and that can form a porous resin. The liquid composition, when stirred, transmits at least 30 percent of incident light having a wavelength of 550 nm. The haze value of an containing the liquid composition increases by 1.0 percent or more when the element containing the liquid composition is cured.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: August 22, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Miku Ohkimoto, Keigo Takauji, Hideo Yanagita, Toru Ushirogochi
  • Publication number: 20230172198
    Abstract: An anti-pathogen structure includes a resin structure having a plurality of openings in a surface of the resin structure, wherein the resin structure has an antimicrobial activity or an antiviral activity.
    Type: Application
    Filed: February 10, 2021
    Publication date: June 8, 2023
    Applicant: Ricoh Company Ltd.
    Inventors: Ryo Kawamura, Satoshi Yamamoto, Keigo Takauji, Nana Akiba, Yuki Hoshikawa, Miku Ohkimoto, Yohei Shiren, Tatsuru Moritani, Naoki Shiraishi, Yuichi Sato
  • Publication number: 20230091130
    Abstract: A disclosed film electrode includes an electrode base, and an active material layer formed on the electrode base, and a resin layer adhering to at least one of a peripheral portion of the active material layer and a surface of the active material layer in a direction extending along a plane of the electrode base.
    Type: Application
    Filed: November 30, 2022
    Publication date: March 23, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Masahiro MASUZAWA, Toru Ushirogochi, Hideo Yanagita, Yuu Zama, Aya Yoshida, Shigeo Takeuchi, Anna Hirowatari, Okitoshi Kimura, Kohji Matsuoka, Keigo Takauji, Miku Ohkimoto
  • Patent number: 11588147
    Abstract: A disclosed film electrode includes an electrode base, and an active material layer formed on the electrode base, and a resin layer adhering to at least one of a peripheral portion of the active material layer and a surface of the active material layer in a direction extending along a plane of the electrode base.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: February 21, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Masahiro Masuzawa, Toru Ushirogochi, Hideo Yanagita, Yuu Zama, Aya Yoshida, Shigeo Takeuchi, Anna Hirowatari, Okitoshi Kimura, Kohji Matsuoka, Keigo Takauji, Miku Ohkimoto
  • Publication number: 20230040840
    Abstract: Embodiments of the present invention provide a method for producing a conductor. The method includes: applying a resin forming composition containing a polymerizable compound and a solvent on a substrate; polymerizing the polymerizable compound in the applied resin forming composition to form a resin structure that is porous on the substrate; and applying a conductor forming composition containing at least one selected from the group consisting of metal oxide particles and metal particles on the resin structure.
    Type: Application
    Filed: July 20, 2022
    Publication date: February 9, 2023
    Inventors: Shun GOTO, Hiromichi KURIYAMA, Keigo TAKAUJI, Miku OHKIMOTO, Muxin LI
  • Patent number: 11527748
    Abstract: In accordance with some embodiments of the present invention, an electrode was provided. The electrode includes an electrode composite layer and a porous insulating layer on the electrode composite layer. The electrode composite layer contains an active material. A surface roughness Rz of the electrode composite layer is smaller than an average film thickness of the porous insulating layer.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: December 13, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Eiko Hibino, Hiromichi Kuriyama, Satoshi Nakajima, Shigeo Takeuchi, Toru Ushirogochi, Hideo Yanagita, Keigo Takauji, Miku Ohkimoto
  • Patent number: 11380884
    Abstract: A liquid composition for an electrode composite material is provided. The liquid composition comprises an active material, a dispersion medium, and a polymerizable compound. A viscosity of the liquid composition at 25 degrees C. is a viscosity at which the liquid composition is dischargeable from a liquid discharge head.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: July 5, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Satoshi Nakajima, Eiko Hibino, Hiromichi Kuriyama, Keigo Takauji, Miku Ohkimoto, Shigeo Takeuchi, Masahiro Masuzawa
  • Publication number: 20220169821
    Abstract: A liquid composition set is provided. The liquid composition set comprises: a liquid composition X comprising a polymerizable compound X and a solvent X; and a liquid composition Y comprising a solvent Y. The liquid composition X is to form a porous resin, and has a smaller surface tension than the liquid composition Y.
    Type: Application
    Filed: November 9, 2021
    Publication date: June 2, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Naoki Sugihara, Keigo Takauji, Daisuke Nose, Miku Ohkimoto, Toru Ushirogochi
  • Patent number: 11319484
    Abstract: An electrochromic element is provided including: a first substrate; a first electrode overlying the first substrate; a second substrate disposed at a distance from the first electrode; a second electrode overlying the second substrate; a first electrochemical reaction layer in contact with the first electrode; a second electrochemical reaction layer in contact with the second electrode; and an electrolyte layer between the first electrode and the second electrode. One of the first electrochemical reaction layer and the second electrochemical reaction layer is in a reversibly oxidizable state and the other is in a reversibly reducible state, at least one of the first electrochemical reaction layer and the second electrochemical reaction layer is an electrochromic layer, and E1??0.8 V (vs. FC/FC+) and E2??0.8 V (vs. FC/FC+) are satisfied, where E1 and E2 represent oxidation-reduction potentials of the first electrochemical reaction layer and the second electrochemical reaction layer, respectively.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: May 3, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Keigo Takauji, Satoshi Yamamoto, Fuminari Kaneko, Kazuaki Tsuji, Naoki Ura
  • Publication number: 20220085458
    Abstract: A porous insulator contains a porous structure, containing a polymer compound having communicating pores, and a solid having a melting point or glass transition temperature lower than that of the polymer compound.
    Type: Application
    Filed: November 22, 2021
    Publication date: March 17, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Miku Ohkimoto, Hideo Yanagita, Keigo Takauji, Masahiro Masuzawa, Yuu Zama, Okitoshi Kimura, Hiromitsu Kawase
  • Patent number: 11269229
    Abstract: Provided is an electrochromic display device including a pair of supporting substrates facing each other, a pair of electrodes each disposed on the supporting substrate and facing each other, an electrochromic display layer disposed in contact with at least one of the pair of the electrodes, and an electrolyte layer disposed between the pair of the electrode, wherein the electrochromic display layer includes a plurality of electrochromic layers exhibiting mutually different coloring colors, and the plurality of the electrochromic layers are laminated on the electrode at least in a partial area of the electrode.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: March 8, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yoshinori Okada, Keigo Takauji, Satoshi Yamamoto, Daisuke Goto, Toshiya Sagisaka, Masato Shinoda, Kazuaki Tsuji, Fuminari Kaneko, Tohru Yashiro, Mamiko Inoue, Yuto Matsuoka, Naoki Ura
  • Patent number: 11258136
    Abstract: A porous insulator is provided. The porous insulator comprises a porous structure comprising a polymer compound having communicating pores, and a solid having a melting point or glass transition temperature lower than that of the polymer compound.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: February 22, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Miku Ohkimoto, Hideo Yanagita, Keigo Takauji, Masahiro Masuzawa, Yuu Zama, Okitoshi Kimura, Hiromitsu Kawase
  • Patent number: 11209713
    Abstract: To provide an electrochromic element, which contains: a first electrode; a second electrode; and an electrolyte provided between the first electrode and the second electrode, wherein the first electrode contains a polymer product obtained through polymerization of an electrochromic composition where the electrochromic composition contains a radical polymerizable compound containing triarylamine.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: December 28, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Satoshi Yamamoto, Kazukiyo Nagai, Tamotsu Horiuchi, Keiichiroh Yutani, Sukchan Kim, Yoshinori Okada, Hiroyuki Takahashi, Koh Fujimura, Yoshihisa Naijo, Kazuaki Tsuji, Shigenobu Hirano, Toshiya Sagisaka, Daisuke Goto, Keigo Takauji, Mamiko Inoue, Tohru Yashiro
  • Publication number: 20210284761
    Abstract: A liquid composition that contains a polymerizable compound and a solvent, and that can form a porous resin. The liquid composition, when stirred, transmits at least 30 percent of incident light having a wavelength of 550 nm. The haze value of an containing the liquid composition increases by 1.0 percent or more when the element containing the liquid composition is cured.
    Type: Application
    Filed: June 2, 2021
    Publication date: September 16, 2021
    Inventors: Miku OHKIMOTO, Keigo TAKAUJI, Hideo YANAGITA, Toru USHIROGOCHI
  • Patent number: 11053327
    Abstract: A liquid composition that contains a polymerizable compound and a solvent, and that can form a porous resin. The liquid composition, when stirred, transmits at least 30 percent of incident light having a wavelength of 550 nm. The haze value of an containing the liquid composition increases by 1.0 percent or more when the element containing the liquid composition is cured.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: July 6, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Miku Ohkimoto, Keigo Takauji, Hideo Yanagita, Toru Ushirogochi