Patents by Inventor Yoshihisa Naijo

Yoshihisa Naijo 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: 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
  • Publication number: 20220218300
    Abstract: A disclosed radiation source position estimation system includes a first position information specifier configured to specify position information of one or more elements included in a position measuring member; an imager configured to acquire images of the one or more elements formed by radiation emitted from a radiation source; and a second position information specifier configured to specify position information of the radiation source, based on the first position information specified by the first position information specifier and the images acquired by the imager.
    Type: Application
    Filed: June 23, 2020
    Publication date: July 14, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Masahiro TAKADA, Yoshihisa NAIJO, Akira KINOSHITA
  • Patent number: 11375934
    Abstract: A biomagnetic measurement apparatus includes a table on which a subject is placed; a biomagnetic detector configured to detect a biomagnetic field of the subject; a supporter configured to support a detection target region from which the biomagnetic field of the subject is detected; a radiation detector provided below the supporter; and a position changer configured to change relative positions of the biomagnetic detector and the detection target region. The supporter has a surface shape that corresponds to a surface of the biomagnetic detector.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: July 5, 2022
    Assignees: Ricoh Company, Ltd., NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
    Inventors: Yoshinori Okada, Yoshihisa Naijo, Hiroshi Deguchi, Taishi Watanabe, Yuki Miyano, Shigenori Kawabata
  • 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: 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: 20200216478
    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: Application
    Filed: March 16, 2020
    Publication date: July 9, 2020
    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: 10626133
    Abstract: To provide an electrochromic compound, represented by the following general formula 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: September 5, 2018
    Date of Patent: April 21, 2020
    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: 20200052254
    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: Application
    Filed: July 30, 2019
    Publication date: February 13, 2020
    Inventors: Atsushi OHSHIMA, Tohru YASHIRO, Sukchan KIM, Yoshihisa NAIJO, Kohji TAKEUCHI
  • Patent number: 10509290
    Abstract: An electrochromic apparatus includes a first substrate, a first electrode layer, an electrochromic layer, an electrolyte layer, a second substrate, a second electrode layer, a first extraction electrode layer, a second extraction electrode layer, and a partition wall. The first extraction electrode layer contacts the first electrode layer and is isolated from the second electrode layer and the electrochromic layer. The second extraction electrode layer contacts the second electrode layer and is isolated from the first electrode layer and the electrolyte layer. The partition wall is electrically insulative and sandwiched between the first extraction electrode layer and the electrolyte layer and between the second extraction electrode layer and the electrolyte layer.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: December 17, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Sukchan Kim, Tohru Yashiro, Hidekazu Yaginuma, Yoshihisa Naijo, Kohji Takeuchi, Yasuhiro Takahashi, Atsushi Ohshima
  • Patent number: 10488730
    Abstract: An electrochromic device is provided. The electrochromic device includes a laminated body having a curved surface shape and an optical lens on a first surface of the laminated body. The laminated body includes a substrate, a first electrode layer on the substrate, an electrochromic layer in contact with the first electrode layer, a second electrode layer facing the first electrode layer, and a solid electrolyte layer between the first electrode layer and the second electrode layer and in contact with electrochromic layer.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: November 26, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Sukchan Kim, Tohru Yashiro, Yoshihisa Naijo, Kohji Takeuchi, Takaaki Konno, Shun Goto, Yasuhiro Takahashi
  • Publication number: 20190167135
    Abstract: A biomagnetic measurement apparatus includes a table on which a subject is placed; a biomagnetic detector configured to detect a biomagnetic field of the subject; a supporter configured to support a detection target region from which the biomagnetic field of the subject is detected; a radiation detector provided below the supporter; and a position changer configured to change relative positions of the biomagnetic detector and the detection target region. The supporter has a surface shape that corresponds to a surface of the biomagnetic detector.
    Type: Application
    Filed: November 23, 2018
    Publication date: June 6, 2019
    Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental University
    Inventors: Yoshinori Okada, Yoshihisa Naijo, Hiroshi Deguchi, Taishi Watanabe, Yuki Miyano, Shigenori Kawabata
  • Publication number: 20190031694
    Abstract: To provide an electrochromic compound, represented by the following general formula 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: Application
    Filed: September 5, 2018
    Publication date: January 31, 2019
    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: 10093693
    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, X11, X12, X13, X14, X15, X16, X17, and X18 are each independently a hydrogen atom or a monovalent substituent.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: October 9, 2018
    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: 20180231857
    Abstract: An electrochromic apparatus includes a first substrate, a first electrode layer, an electrochromic layer, an electrolyte layer, a second substrate, a second electrode layer, a first extraction electrode layer, a second extraction electrode layer, and a partition wall. The first extraction electrode layer contacts the first electrode layer and is isolated from the second electrode layer and the electrochromic layer. The second extraction electrode layer contacts the second electrode layer and is isolated from the first electrode layer and the electrolyte layer. The partition wall is electrically insulative and sandwiched between the first extraction electrode layer and the electrolyte layer and between the second extraction electrode layer and the electrolyte layer.
    Type: Application
    Filed: February 1, 2018
    Publication date: August 16, 2018
    Inventors: Sukchan KIM, Tohru Yashiro, Hidekazu Yaginuma, Yoshihisa Naijo, Kohji Takeuchi, Yasuhiro Takahashi, Atsushi Ohshima
  • Patent number: 10012885
    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: Grant
    Filed: June 30, 2015
    Date of Patent: July 3, 2018
    Assignee: RICOH COMPANY, 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: 9932522
    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: Grant
    Filed: June 17, 2015
    Date of Patent: April 3, 2018
    Assignee: Ricoh Company, Ltd.
    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: 9891496
    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: Grant
    Filed: June 30, 2015
    Date of Patent: February 13, 2018
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yoshinori Okada, Yoshihisa Naijo, Tohru Yashiro, Shigenobu Hirano, Hiroyuki Takahashi, Toshiya Sagisaka, Keiichiroh Yutani, Sukchan Kim, Kazuaki Tsuji, Mamiko Inoue, Tamotsu Horiuchi
  • Publication number: 20180017835
    Abstract: An electrochromic device is provided. The electrochromic device includes a laminated body having a curved surface shape and an optical lens on a first surface of the laminated body. The laminated body includes a substrate, a first electrode layer on the substrate, an electrochromic layer in contact with the first electrode layer, a second electrode layer facing the first electrode layer, and a solid electrolyte layer between the first electrode layer and the second electrode layer and in contact with electrochromic layer.
    Type: Application
    Filed: July 10, 2017
    Publication date: January 18, 2018
    Inventors: Sukchan KIM, Tohru Yashiro, Yoshihisa Naijo, Kohji Takeuchi, Takaaki Konno, Shun Goto, Yasuhiro Takahashi
  • Patent number: 9829762
    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: Grant
    Filed: May 5, 2015
    Date of Patent: November 28, 2017
    Assignee: 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: 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