Patents by Inventor Toshiya Sagisaka

Toshiya Sagisaka 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: 20170329199
    Abstract: An electrochromic device is provided including a first substrate, a first electrode on the first substrate, a second substrate, a second electrode on the second substrate facing the first electrode, an electrochromic layer in contact with the first electrode, an anti-deterioration layer in contact with the second electrode facing the first electrode, and an electrolyte layer in contact with both the electrochromic layer and the anti-deterioration layer. At least one of the first electrode and the second electrode includes In2O3, and has an infrared light transmittance of 70% or more at a wavelength of 1,500 nm. The electrochromic layer includes a triarylamine-containing radical polymerizable compound represented by a specific formula.
    Type: Application
    Filed: May 3, 2017
    Publication date: November 16, 2017
    Inventors: Tohru YASHIRO, Yoshinori OKADA, Keigo TAKAUJI, Satoshi YAMAMOTO, Daisuke GOTO, Toshiya SAGISAKA, Masato SHINODA
  • Publication number: 20170235203
    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: Application
    Filed: July 23, 2015
    Publication date: August 17, 2017
    Applicant: 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: 20170226413
    Abstract: To provide an electrochromic compound, represented by the following general formula (I), where Ar1 is a pyridinium ring having a structure represented by the following general formula (IIa), (IIb), or (IIc), where Ar2 is a monovalent heterocyclic ring which may have a substituent, but Ar2 is not a pyridinium ring; R1 to R8 are each independently a monovalent group which may have a functional group, where the monovalent group may have a substituent; A is a monovalent group which may have a functional group, where the monovalent group may have a substituent; and B? is a monovalent anion.
    Type: Application
    Filed: June 17, 2015
    Publication date: August 10, 2017
    Inventors: Daisuke GOTO, Toshiya SAGISAKA, Shigenobu HIRANO, Satoshi YAMAMOTO, Mamiko INOUE, Tohru YASHIRO, Hiroyuki TAKAHASHI, Koh FUJIMURA, Tamotsu HORIUCHI, Keiichiroh YUTANI, Yoshihisa NAIJO, Yoshinori OKADA, Kazuaki TSUJI, Sukchan KIM, Keigo TAKAUJI
  • Patent number: 9688706
    Abstract: An electrochromic compound, represented by the following general formula (I); where X1 to X4 are each a substituent represented by the following general formula (II), an alkyl group that may contain a functional group, an aromatic hydrocarbon group that may contain a functional group, or a hydrogen atom, and at least two selected from X1 to X4 are the substituents represented by the general formula (II); where R1 to R8 are each independently a hydrogen atom, or a monovalent group that may contain a substituent; B is a substituted or unsubstituted monovalent group that may contain a functional group; A?is a monovalent anion; and m is any of 0 to 3, and R1 to R8, B, and m may each independently be different when a plurality of the substituents represented by the general formula (II) are present.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: June 27, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Mamiko Inoue, Masaomi Sasaki, Tohru Yashiro, Keiichiroh Yutani, Yoshinori Okada, Sukchan Kim, Hiroyuki Takahashi, Koh Fujimura, Yoshihisa Naijo, Kazuaki Tsuji, Shigenobu Hirano, Toshiya Sagisaka, Satoshi Yamamoto, Daisuke Goto, Keigo Takauji
  • Publication number: 20170168366
    Abstract: An electrochromic element is provided. The electrochromic element includes a first electrode, a second electrode, an electrolyte disposed between the first electrode and the second electrode, a first layer overlying the first electrode, and a second layer overlying the second electrode. The first layer contains an oxidizable color-developing electrochromic compound. The second layer contains a compound having the following formula (1): wherein each of R1 to R5 independently represents a hydrogen atom, a halogen atom, or a monovalent organic group, and at least one of R1 to R5 has a functional group directly or indirectly bindable to hydroxyl group.
    Type: Application
    Filed: December 12, 2016
    Publication date: June 15, 2017
    Applicant: RICOH COMPANY, LTD.
    Inventors: Masato SHINODA, Satoshi YAMAMOTO, Toshiya SAGISAKA, Daisuke GOTO, Tamotsu HORIUCHI, Hiroyuki TAKAHASHI, Fuminari KANEKO, Mamiko INOUE, Tohru YASHIRO
  • Publication number: 20170131609
    Abstract: Provided is an electrochromic display device, including: a pair of electrodes facing each other; an electrochromic layer provided to one of the pair of electrodes: and an electrolytic solution layer provided between the electrodes facing each other, wherein the electrochromic display device includes an yttrium-containing metal oxide layer between the electrochromic layer and the electrode to which the electrochromic layer is provided.
    Type: Application
    Filed: June 30, 2015
    Publication date: May 11, 2017
    Applicant: RICOH COMANY, LTD.
    Inventors: Yoshinori OKADA, Yoshihisa NAIJO, Tohru YASHIRO, Shigenobu HIRANO, Hiroyuki TAKAHASHI, Toshiya SAGISAKA, Keiichiroh YUTANI, Sukchan KIM, Kazuaki TSUJI, Mamiko INOUE, Tamotsu HORIUCHI
  • Patent number: 9632385
    Abstract: Disclosed is an electrochromic display device including a display substrate, a display electrode provided on the display substrate, a first electrochromic layer provided on the display electrode, an intermediate display electrode provided above the first electrochromic layer separately from the first electrochromic layer, a second electrochromic layer provided on and contacting the intermediate display electrode, an opposed substrate, an opposed electrode provided on the opposed substrate, and an electrolyte solution provided between a surface of the display substrate on which the display electrode is formed and a surface of the opposed substrate on which the opposed electrode is formed, wherein the intermediate display electrode contains a rod-shaped, whisker-shaped, or long-fiber-shaped electrically conductive fine particle, and at least a portion of a space in the electrically conductive fine particle is filled with a material forming the second electrochromic layer.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: April 25, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yoshinori Okada, Tohru Yashiro, Yoshihisa Naijo, Sukchan Kim, Shigenobu Hirano, Koh Fujimura, Hiroyuki Takahashi, Kazuaki Tsuji, Toshiya Sagisaka, Keiichiroh Yutani, Mamiko Inoue
  • Publication number: 20170010514
    Abstract: To provide an electrochromic device including: a support; a first electrode formed on the support; a second electrode facing the first electrode, where through-holes are formed in the second electrode; an electrochromic layer disposed in a space between the first electrode and the second electrode; a first electrolyte layer disposed in the space between the first electrode and the second electrode; a second electrolyte layer disposed to communicate with the first electrolyte layer through the through-holes; an inorganic protective layer, which is disposed on a surface of the second electrolyte layer not facing the second electrode, and is configured to shield oxygen and water vapor; and an organic protective layer disposed on a surface of the inorganic protective layer that does not face the second electrolyte layer.
    Type: Application
    Filed: June 23, 2016
    Publication date: January 12, 2017
    Applicant: Ricoh Company, Ltd.
    Inventors: Tohru YASHIRO, Kohji TAKEUCHI, Sukchan KIM, Shun GOTO, Yuuma USUI, Yasuo KATANO, Satoshi YAMAMOTO, Daisuke GOTO, Toshiya SAGISAKA, Masato SHINODA, Mamiko INOUE, Fuminari KANEKO, Hidekazu YAGINUMA, Takahiko MATSUMOTO, Keiichiroh YUTANI, Tamotsu HORIUCHI, Hiroyuki TAKAHASHI
  • Publication number: 20160108072
    Abstract: An electrochromic compound, represented by the following general formula (I); where X1 to X4 are each a substituent represented by the following general formula (II), an alkyl group that may contain a functional group, an aromatic hydrocarbon group that may contain a functional group, or a hydrogen atom, and at least two selected from X1 to X4 are the substituents represented by the general formula (II); where R1 to R8 are each independently a hydrogen atom, or a monovalent group that may contain a substituent; B is a substituted or unsubstituted monovalent group that may contain a functional group; A? is a monovalent anion; and m is any of 0 to 3, and R1 to R8, B, and m may each independently be different when a plurality of the substituents represented by the general formula (II) are present.
    Type: Application
    Filed: June 26, 2014
    Publication date: April 21, 2016
    Applicant: RICOH COMPANY, LTD.
    Inventors: Mamiko INOUE, Masaomi SASAKI, Tohru YASHIRO, Keiichiroh YUTANI, Yoshinori OKADA, Sukchan KIM, Hiroyuki TAKAHASHI, Koh FUJIMURA, Yoshihisa NAIJO, Kazuaki TSUJI, Shigenobu HIRANO, Toshiya SAGISAKA, Satoshi YAMAMOTO, Daisuke GOTO, Keigo TAKAUJI
  • Patent number: 9304368
    Abstract: An electrochromic device, which contains: one support; a first electrode layer formed on the support; a second electrode layer provided to face the first electrode layer; an electrochromic layer provided to be in contact with the first electrode layer or the second electrode layer; a solid electrolyte layer containing inorganic particles, which is filled between the first electrode layer and the second electrode layer, and is provided to be in contact with the electrochromic layer; and a protective layer provided on the second electrode layer.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: April 5, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Tohru Yashiro, Shigenobu Hirano, Toshiya Sagisaka, Mamiko Inoue, Hiroyuki Takahashi, Koh Fujimura, Yoshihisa Naijo, Kazuaki Tsuji, Yoshinori Okada, Sukchan Kim, Keiichiroh Yutani, Tamotsu Horiuchi
  • Patent number: 9273179
    Abstract: A decomposable polymer represented by General Formula (1): where X1 denotes a certain group; X2 denotes a certain group; R1 and R2 each independently denote a hydrogen atom, an alkyl group, an aromatic group, or an electron-withdrawing group; R3 and R4 each independently denote a hydrogen atom, an alkyl group, or an aromatic group, provide that R3, R4, or both are a hydrogen atom; R5 and R6 each independently denote a hydrogen atom, an alkyl group, or an aromatic group, provide that R5, R6, or both are a hydrogen atom; R7 and R8 each independently denote a hydrogen atom, an alkyl group, a halogen atom, or an aromatic group, provided that R7 and R8 may bond together to form a ring structure; R9 and R10 each independently denote a hydrogen atom, an alkyl group, or an aromatic group; n denotes a positive integer; and m denotes 0 or 1.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: March 1, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Masato Shinoda, Toshiya Sagisaka
  • Publication number: 20160005375
    Abstract: An electrochromic display device is provided. The electrochromic display device includes a first substrate; a first electrode formed of a transparent conductive film, overlying the first substrate; a second electrode formed of a transparent conductive film, overlying the first electrode; a white reflective layer, overlying the second electrode; a reflective layer, overlying the white reflective layer; a support substrate, overlying the reflective layer; an electrochromic layer, adjacent to the first electrode or the second electrode; and an electrolyte, present between the first electrode and the second electrode.
    Type: Application
    Filed: June 26, 2015
    Publication date: January 7, 2016
    Applicant: RICOH COMPANY, LTD.
    Inventors: Yoshihisa Naijo, Tohru Yashiro, Hiroyuki Takahashi, Koh Fujimura, Shigenobu Hirano, Toshiya Sagisaka, Satoshi Yamamoto, Daisuke Goto, Keiichiroh Yutani, Yoshinori Okada, Kazuaki Tsuji, Sukchan Kim, Mamiko Inoue, Keigo Takauji, Tamotsu Horiuchi
  • Patent number: 9224959
    Abstract: A leaving substituent-containing compound including a partial structure represented by the following General Formula (I): where a pair of X1 and X2 or a pair of Y1 and Y2 each represent a hydrogen atom; the other pair each represent a group selected from the group consisting of a halogen atom and a substituted or unsubstituted acyloxy group having one or more carbon atoms; a pair of the acyloxy groups represented by the pair of X1 and X2 or the pair of Y1 and Y2 may be identical or different, or may be bonded together to form a ring; R1 to R4 each represent a hydrogen atom or a substituent; and Q1 and Q2 each represent a hydrogen atom, a halogen atom or a monovalent organic group, and may be bonded together to form a ring.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: December 29, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Daisuke Goto, Satoshi Yamamoto, Toshiya Sagisaka, Takuji Kato, Takashi Okada, Masato Shinoda, Shinji Matsumoto, Masataka Mohri, Keiichiro Yutani
  • Publication number: 20150331295
    Abstract: To provide an electrochromic display element, which contains: a display substrate; a display electrode; an electrochromic layer provided in contact with the display electrode; a counter substrate provided to face the display substrate; a counter electrode; a charge retention layer provided in contact with the counter electrode; and an electrolyte layer filling between the display substrate and the counter substrate, wherein the electrochromic layer contains titanium oxide particles, and metal hydroxide is dispersed on surfaces and in inner parts of the titanium oxide particles.
    Type: Application
    Filed: May 5, 2015
    Publication date: November 19, 2015
    Applicant: RICOH COMPANY, LTD.
    Inventors: Hiroyuki Takahashi, Tamotsu Horiuchi, Tohru Yashiro, Keiichiroh Yutani, Yoshinori Okada, Sukchan Kim, Koh Fujimura, Yoshihisa Naijo, Kazuaki Tsuji, Shigenobu Hirano, Toshiya Sagisaka, Mamiko Inoue, Satoshi Yamamoto, Daisuke Goto
  • Publication number: 20150284511
    Abstract: A polymer containing a repeating unit expressed by General Formula (I): where Ar1 represents a substituted or unsubstituted aromatic hydrocarbon group; Ar2 and Ar3 independently represent a divalent group of a substituted or unsubstituted aromatic hydrocarbon group; and R1 and R2 each independently represent a hydrogen atom, substituted or unsubstituted alkyl group, or substituted or unsubstituted aromatic hydrocarbon group.
    Type: Application
    Filed: June 23, 2015
    Publication date: October 8, 2015
    Inventors: Toshiya SAGISAKA, Takashi OKADA, Masaomi SASAKI, Masafumi TORll, Takuji KATO, Tamotsu ARUGA, Satoshi YAMAMOTO, Daisuke GOTO, Shinji MATSUMOTO
  • Publication number: 20150274761
    Abstract: To provide an electrochromic compound, represented by the following general formula (I): 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): General Formula (II) General Formula (III) where X9, X10, X12, X13, X14, X15, X16, X17, and X18 are each independently a hydrogen atom or a monovalent substituent.
    Type: Application
    Filed: November 1, 2013
    Publication date: October 1, 2015
    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
  • Patent number: 9133211
    Abstract: To provide an organic semiconductive material, expressed by the following general formula I: General Formula I where R1 to R10 are each independently a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted alkylthio group, or a substituted or unsubstituted aryl group, and may be bonded to each other to form a ring; and X is a carbon atom or a nitrogen atom.
    Type: Grant
    Filed: July 15, 2010
    Date of Patent: September 15, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Toshiya Sagisaka, Satoshi Yamamoto, Takuji Kato, Takashi Okada, Masato Shinoda, Daisuke Goto, Shinji Matsumoto, Masataka Mohri
  • Patent number: 9123896
    Abstract: A leaving substituent-containing compound including a partial structure represented by the following General Formula (I): where a pair of X1 and X2 or a pair of Y1 and Y2 each represent a hydrogen atom; the other pair each represent a group selected from the group consisting of a halogen atom and a substituted or unsubstituted acyloxy group having one or more carbon atoms; a pair of the acyloxy groups represented by the pair of X1 and X2 or the pair of Y1 and Y2 may be identical or different, or may be bonded together to form a ring; R1 to R4 each represent a hydrogen atom or a substituent; and Q1 and Q2 each represent a hydrogen atom, a halogen atom or a monovalent organic group, and may be bonded together to form a ring.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: September 1, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Daisuke Goto, Satoshi Yamamoto, Toshiya Sagisaka, Takuji Kato, Takashi Okada, Masato Shinoda, Shinji Matsumoto, Masataka Mohri, Keiichiro Yutani
  • Publication number: 20150198857
    Abstract: An electrochromic device, which contains: one support; a first electrode layer formed on the support; a second electrode layer provided to face the first electrode layer; an electrochromic layer provided to be in contact with the first electrode layer or the second electrode layer; a solid electrolyte layer containing inorganic particles, which is filled between the first electrode layer and the second electrode layer, and is provided to be in contact with the electrochromic layer; and a protective layer provided on the second electrode layer.
    Type: Application
    Filed: January 9, 2015
    Publication date: July 16, 2015
    Applicant: RICOH COMPANY, LTD.
    Inventors: Tohru Yashiro, Shigenobu HIRANO, Toshiya SAGISAKA, Mamiko INOUE, Hiroyuki TAKAHASHI, Koh FUJIMURA, Yoshihisa NAIJO, Kazuaki TSUJI, Yoshinori OKADA, Sukchan KIM, Keiichiroh YUTANI, Tamotsu HORIUCHI
  • Patent number: 9069222
    Abstract: Disclosed is an electrochromic display element, including a display substrate, an opposed substrate that is opposed to the display substrate, an opposed electrode being formed at a display-substrate-opposed side of the opposed substrate, a first display electrode and a first electrochromic layer being laminated at an opposed-substrate-opposed side of the display substrate, a single porous film being formed between the display substrate and the opposed substrate, a second display electrode and a second electrochromic layer being laminated at a display-substrate-opposed side of the porous film, a third display electrode and a third electrochromic layer being laminated at an opposed-substrate-opposed side of the porous film, and an electrolyte being present between the display substrate and the opposed substrate.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: June 30, 2015
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yoshihisa Naijo, Tohru Yashiro, Yoshinori Okada, Shigenobu Hirano, Koh Fujimura, Kazuaki Tsuji, Hiroyuki Takahashi, Sukchan Kim, Keiichiroh Yutani, Toshiya Sagisaka