Patents by Inventor Tohru Yashiro

Tohru Yashiro 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: 20240168352
    Abstract: A curved surface resin structure includes a support, and a laminate section within a plane of the support, where at least a conductive layer and an electronic material layer are laminated in the laminate section. A surface curvature radius rA1 (mm) of end of the laminate section, a surface curvature radius rA2 (mm) of another end of the laminate section facing the one end with a center region of the laminate section present at a middle point, and an average curvature a radius rB (mm) of a surface of the laminate section satisfy Inequality (1): rA1, rA2<rB, or Inequality (2): rA1, rA2>rB.
    Type: Application
    Filed: March 16, 2022
    Publication date: May 23, 2024
    Applicant: Ricoh Company, Ltd.
    Inventors: Tohru YASHIRO, Yukihiro Wakabayashi
  • Patent number: 11970662
    Abstract: An electrochromic element including: a first electrode; a second electrode disposed to face the first electrode with a gap between the first electrode and the second electrode; a first electrochromic layer disposed on or above the first electrode, including conductor or semiconductor nano-structures and an electrochromic compound; and an electrolyte layer including an electrolyte, disposed between the first electrochromic layer and the second electrode, wherein the electrochromic compound is a compound represented by General Formula 1, and an anion of the electrolyte is a monovalent anion having oxidation potential higher than reduction potential of a dication of General Formula 1 by 3.1 V or greater, where X? is a monovalent anion having oxidation potential higher than reduction potential of the dication of General Formula 1 by 3.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: April 30, 2024
    Assignee: RICOH COMPANY, LTD.
    Inventors: Fuminari Kaneko, Daisuke Goto, Masato Shinoda, Ryo Kawamura, Naru Tanaka, Tohru Yashiro, Mamiko Inoue, Naoki Ura
  • Patent number: 11833800
    Abstract: A method for forming a three-dimensional curved surface on a laminated substrate is provided. In the method, the laminated substrate is brought into close contact with an elastic sheet. Here, the laminated substrate comprises a support substrate and a conductive layer on the support substrate, and the support substrate comprises a resin substrate comprising a thermoplastic resin. The elastic sheet is deformed while the laminated substrate is in close contact with the elastic sheet. The laminated substrate is brought into close contact with a temperature-controlled mold to soften the resin substrate.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: December 5, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Tohru Yashiro, Kohji Takeuchi, Yasuhiro Takahashi, Sukchan Kim
  • Patent number: 11774826
    Abstract: Provided is an electrochromic element including: a support; an electrochromic layer over the support; an electrolyte layer over the support; and a sealant resin layer in contact with the electrochromic layer at longitudinal ends of the electrochromic layer in a layer lamination direction, wherein the electrochromic layer contains a polymerized product of an oxidatively color-developable electrochromic composition containing a radical-polymerizable compound, and the sealant resin layer contains a thermosetting material.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: October 3, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Keiichiroh Yutani, Tohru Yashiro, Fuminari Kaneko, Tomoo Fukuda
  • Publication number: 20230307407
    Abstract: A member includes a base material and a conductive layer. The conductive layer conducts heat or electricity. The conductive layer includes a conductive portion and a non-conductive portion. The conductive portion conducts heat or electricity. The conductive portion is disposed on at least one of an upper surface or a lower surface of the non-conductive portion and on a side surface of the non-conductive portion.
    Type: Application
    Filed: March 20, 2023
    Publication date: September 28, 2023
    Inventors: Tohru YASHIRO, Shinji MATSUMOTO, Takeshi ENDOH, Yuko KOMAI, Hiroshi KONDO, Hiroyuki TAKAHASHI, Muneaki IWATA, Tohru HASEGAWA, Ryuya MASHIKO, Shinichi HATANAKA, Hiroyuki HIRATSUKA
  • Patent number: 11754901
    Abstract: Electrochromic device including: first electrode; a first auxiliary electrode; a second electrode; a second auxiliary electrode having average distance of 100 mm or less with the first auxiliary electrode; an electrochromic layer; a solid electrolyte layer; and controlling unit configured to control to apply voltage according to a driving pattern that is at least one selected from the group consisting of a first driving pattern, a second driving pattern, and an initialization driving pattern, wherein the first driving pattern is a driving pattern configured to turn the electrochromic layer into first coloring state, the second driving pattern is a driving pattern configured to turn the first coloring state into a second coloring state that has coloring density lower than coloring density of the first coloring state, and the initialization driving pattern is driving pattern for forming an initial decolored state.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: September 12, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Tohru Yashiro, Keiichiroh Yutani, Fuminari Kaneko, Tohru Hasegawa, Naoki Ura
  • Patent number: 11681195
    Abstract: A laminated structure including: an electrically conductive layer; an underlying layer including a first resin and inorganic particles; a support including a second resin; and a resin layer including a third resin that is at least one selected from the group consisting of a resin of same kind as the second resin and a resin having a softening temperature equal to or lower than a softening temperature of the second resin, the electrically conductive layer, the underlying layer, the support, and the resin layer being disposed in this order.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: June 20, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Tohru Yashiro, Kohji Takeuchi, Yasuhiro Takahashi
  • Patent number: 11630365
    Abstract: An electrochromic element including: a laminated body including a support formed of a resin, a first electrode layer, an electrochromic layer, and a second electrode layer, the support, the first electrode layer, the electrochromic layer, and the second electrode layer being disposed in the laminated body in this order; and a gel electrolyte disposed between the first electrode layer and the second electrode layer, wherein a phase separation temperature of the gel electrolyte is higher than a softening point of the support.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: April 18, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Keiichiroh Yutani, Fuminari Kaneko, Yuto Matsuoka, Kayato Ohya, Tohru Yashiro, Tomoo Fukuda, Takashi Tsutsui
  • Patent number: 11495856
    Abstract: A glasses-type device includes a lens support body that supports a pair of lenses, a first temple attached to the lens support body via one or more hinges, the first temple including a power supply unit provided at a position closer to the hinges than to a first ear hook, and a second temple attached to the lens support body via one or more hinges, the second temple including a control unit provided at a position closer to the hinges than to a second ear hook, the control unit having an operating unit operably by a user wearing the glasses-type device. A charger for charging the glasses-type device includes a power-transmitting coil that wirelessly transmits electric power to a power-receiving coil of the power supply unit, and a guide structure having a shape that is fitted into a shape of the temple, when the glasses-type device is engaged with the charger.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: November 8, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Atsushi Ohshima, Tohru Yashiro, Sukchan Kim, Yoshihisa Naijo, Kohji Takeuchi
  • Patent number: 11474408
    Abstract: An electronic device includes electrode layers and supports. The electrode layers and supports include an electrode layer and a support on each of both sides of an electronic functional layer in a thickness direction. Taking-out electrode parts from the electrode layers are exposed in a plane region of at least one of the supports on the both sides.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: October 18, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yasuhiro Takahashi, Keiichiroh Yutani, Tohru Yashiro, Tomoo Fukuda, Kohji Takeuchi, Tohru Hasegawa, Koh Fujimura, Takashi Tsutsui
  • 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
  • Publication number: 20220035218
    Abstract: Provided is an electrochromic element including: a support; an electrochromic layer over the support; an electrolyte layer over the support; and a sealant resin layer in contact with the electrochromic layer at longitudinal ends of the electrochromic layer in a layer lamination direction, wherein the electrochromic layer contains a polymerized product of an oxidatively color-developable electrochromic composition containing a radical-polymerizable compound, and the sealant resin layer contains a thermosetting material.
    Type: Application
    Filed: July 9, 2021
    Publication date: February 3, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Keiichiroh YUTANI, Tohru YASHIRO, Fuminari KANEKO, Tomoo FUKUDA
  • Patent number: 11237447
    Abstract: An electrochromic element is provided that includes a first substrate and a second substrate that are arranged to oppose each other, a first transparent electrode that is formed on a surface of the first substrate facing the second substrate, a second transparent electrode that is formed on a surface of the second substrate facing the first substrate, and a coloration layer that is arranged between the first transparent electrode and the second transparent electrode. The coloration layer includes an electrochromic material and an electrolyte, and a pattern or a concentration gradient of the electrochromic material is formed in at least a part of the coloration layer.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: February 1, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Keiichiroh Yutani, Tomoo Fukuda, Hiroyuki Takahashi, Koh Fujimura, Tohru Yashiro, Takaaki Konno, Noboru Sasa
  • Patent number: 11221533
    Abstract: Provided is an electrochromic device including an electrochromic element including a protrusion on a periphery of the electrochromic element, and a frame holding the electrochromic element, wherein the protrusion includes an electrode pad, and the frame includes a connecting member configured to electrically connect to the electrode pad.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: January 11, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kohji Takeuchi, Tohru Yashiro, Takahiko Matsumoto, Sukchan Kim, Shun Goto, Keiichiroh Yutani, Hidekazu Yaginuma, Atsushi Ohshima
  • 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
  • Patent number: 11106106
    Abstract: An electrochromic device reversibly and controllably colored and decolored by electricity is provided. The electrochromic device is configured to control at least one of the following functions f1 and f2 based on at least one of an operating environment temperature of the electrochromic device, a continuous elapsed time of a colored state or a decolored state, and an illuminance around the electrochromic device: a function f1 of transiting to a colored state and/or limiting transition to a decolored state; and a function f2 of transiting to a decolored state and/or limiting transition to a colored state.
    Type: Grant
    Filed: March 17, 2019
    Date of Patent: August 31, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Noboru Sasa, Keiichiroh Yutani, Tohru Yashiro, Tomoo Fukuda, Masato Shinoda, Fuminari Kaneko
  • Patent number: 11053267
    Abstract: To provide an electrochromic compound, represented by the following general formula (I): where X1, X2, X3, X4, X5, X6, X7 and X8 are each independently a hydrogen atom or a monovalent substituent; R1 and R2 are each independently a monovalent substituent; A? and B? are each independently a monovalent anion; and Y is represented by the following general formula (II) or (III): where X9, X10, X11, X12, X13, X14, X15, X16, X17, and X18 are each independently a hydrogen atom or a monovalent substituent.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: July 6, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Toshiya Sagisaka, Hiroyuki Takahashi, Takashi Okada, Shigenobu Hirano, Tohru Yashiro, Koh Fujimura, Yoshihisa Naijo, Yoshinori Okada, Kazuaki Tsuji, Sukchan Kim, Keiichiroh Yutani, Tamotsu Horiuchi, Mamiko Inoue
  • Publication number: 20210165296
    Abstract: An electrochromic element including: a laminated body including a support formed of a resin, a first electrode layer, an electrochromic layer, and a second electrode layer, the support, the first electrode layer, the electrochromic layer, and the second electrode layer being disposed in the laminated body in this order; and a gel electrolyte disposed between the first electrode layer and the second electrode layer, wherein a phase separation temperature of the gel electrolyte is higher than a softening point of the support.
    Type: Application
    Filed: November 27, 2020
    Publication date: June 3, 2021
    Inventors: Keiichiroh YUTANI, Fuminari KANEKO, Yuto MATSUOKA, Kayato OHYA, Tohru YASHIRO, Tomoo FUKUDA, Takashi TSUTSUI
  • Patent number: 10988684
    Abstract: To provide an electrochromic compound represented by the following general formula (1) where X1 and X2 are each independently a carbon atom or a nitrogen atom, R1, R2 and R3 are each independently a halogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted alkoxy group, x is an integer selected from 0 through 3, y and z are each independently an integer selected from 0 through 4, and at least one of L1 and L2 is a monovalent functional group bonded to a nitrogen atom of a pyridinium ring directly, or via a divalent substituent.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: April 27, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Toshiya Sagisaka, Satoshi Yamamoto, Takashi Okada, Masato Shinoda, Shigenobu Hirano, Fuminari Kaneko, Mamiko Inoue, Daisuke Goto, Tohru Yashiro
  • Patent number: 10935862
    Abstract: Provided is an electrochromic compound represented by the following general formula (I) or (II) where R1 to R13 are each independently a hydrogen atom, a halogen atom, a monovalent organic group, or a polymerizable functional group, and at least one of the R1 to the R13 is a polymerizable functional group.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: March 2, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Satoshi Yamamoto, Daisuke Goto, Toshiya Sagisaka, Masato Shinoda, Mamiko Inoue, Fuminari Kaneko, Tohru Yashiro