Patents by Inventor Daisuke Yokoyama
Daisuke Yokoyama 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).
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Publication number: 20240088172Abstract: A display device in which a peripheral circuit portion has high operation stability is provided. The display device includes a first substrate and a second substrate. A first insulating layer is provided over a first surface of the first substrate. A second insulating layer is provided over a first surface of the second substrate. The first surface of the first substrate and the first surface of the second substrate face each other. An adhesive layer is provided between the first insulating layer and the second insulating layer. A protective film in contact with the first substrate, the first insulating layer, the adhesive layer, the second insulating layer, and the second substrate is formed in the vicinity of a peripheral portion of the first substrate and the second substrate.Type: ApplicationFiled: November 17, 2023Publication date: March 14, 2024Inventors: Shunpei YAMAZAKI, Yoshiharu HIRAKATA, Takashi HAMADA, Kohei YOKOYAMA, Yasuhiro JINBO, Tetsuji ISHITANI, Daisuke KUBOTA
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Patent number: 11926296Abstract: An electric brake comprises a brake mechanism that transmits a thrust generated by driving an electric motor to a piston that moves brake pads pressed against a disc rotor; a thrust sensor that detects the thrust applied to the piston; a rotation angle sensor that detects a rotational position of the electric motor; and a rear electric brake ECU that controls the driving of the electric motor on the basis of a braking command. The rear electric brake ECU detects an abnormality in the brake mechanism from a detected value of the thrust sensor and a detected value of the rotation angle sensor in response to the braking command which are obtained when the electric motor is driven.Type: GrantFiled: February 13, 2019Date of Patent: March 12, 2024Assignee: HITACHI ASTEMO, LTD.Inventors: Wataru Yokoyama, Daisuke Goto, Kenichiro Matsubara
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Publication number: 20230132997Abstract: A main object of the present disclosure is to provide a decorative sheet including a barrier layer having excellent solid fragrance resistance and close adhesiveness. The present disclosure achieves the object by providing a decorative sheet comprising at least a substrate sheet, a barrier layer, and a surface protecting layer in this order, wherein the barrier layer includes a vinyl alcohol based resin, and a polyurethane resin.Type: ApplicationFiled: March 30, 2021Publication date: May 4, 2023Applicant: Dai Nippon Printing Co., Ltd.Inventors: Daisuke Yokoyama, Kio Mizuno, Nahomi Kanazawa, Yoshinobu Omori, Hirokazu Kadono
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Publication number: 20230133852Abstract: The present invention provides a decorative sheet which is provided with a relief pattern in the outer surface, while having excellent chemical resistance, wherein the relief pattern is suitably maintained even after molding. A decorative sheet which is provided with a relief pattern in the outer surface, while sequentially having, from the outer side, at least a first protective layer that constitutes the relief pattern and a second protective layer. The first protective layer is formed of a cured product of a resin composition that contains an ionizing radiation curable resin and a thermoplastic resin; and the second protective layer is formed of a cured product of an ionizing radiation curable resin composition that contains a polycarbonate (meth)acrylate.Type: ApplicationFiled: March 31, 2020Publication date: May 4, 2023Applicant: Dai Nippon Printing Co., Ltd.Inventors: Hiroaki Nakayama, Nobuo Saitou, Minoru Ariyama, Yoshiyuki Meiki, Sakie Kataoka, Kenta Takayama, Daisuke Yokoyama
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Patent number: 11469377Abstract: To provide a composition having a very low refractive index, an organic photoelectronic element using the composition, and simple methods for producing such a composition and an organic photoelectronic element. A composition comprising a fluorinated polymer, an organic semiconductor material and a dopant.Type: GrantFiled: June 24, 2019Date of Patent: October 11, 2022Assignees: NATIONAL UNIVERSITY CORPORATION YAMAGATA UNIVERSITY, AGC Inc.Inventors: Daisuke Yokoyama, Takefumi Abe, Yasuhiro Kuwana
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Patent number: 11437596Abstract: To provide an organic photoelectronic element excellent in light emitting characteristics and long-term reliability. The organic photoelectronic element comprises a substrate, an anode provided on the substrate, a cathode facing the anode, a light emitting layer disposed between the anode and the cathode, a hole transport layer disposed between the light emitting layer and the anode, and an electron blocking layer provided in contact with the light emitting layer and the hole transport layer between the light emitting layer and the hole transport layer, wherein the hole transport layer contains a fluorinated polymer and an organic semiconductor material, and has a refractive index in the wavelength range of from 450 nm to 800 nm, of at most 1.Type: GrantFiled: February 3, 2020Date of Patent: September 6, 2022Assignees: AGC Inc., National University Corporation Yamagata UniversityInventors: Shigeki Hattori, Takefumi Abe, Kaori Tsuruoka, Yasuhiro Kuwana, Daisuke Yokoyama
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Publication number: 20220268763Abstract: Disclosed is a hemolytic reagent comprising a nonionic surfactant represented by formula (I) below: R1—R2—(CH2CH2O)n—H ??(I) where R1 represents an alkyl group, an alkenyl group, or an alkynyl group having 8 or more and 25 or less carbon atoms, R2 represents an oxygen atom, (COO) or a group represented by formula (II) below: where n is 23 or larger and 25 or smaller, or 30, with n of 23 or larger and 25 or smaller, a concentration of the nonionic surfactant is 1700 ppm or higher and 2300 ppm or lower, and with n of 30, the concentration of the nonionic surfactant is 1900 ppm or higher and 2300 ppm or lower.Type: ApplicationFiled: February 15, 2022Publication date: August 25, 2022Applicant: Sysmex CorporationInventors: Yuki SHIDA, Takanori KOMAKI, Daisuke Yokoyama, Masaki Abe
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Patent number: 11355734Abstract: To provide an organic photoelectronic element, of which the external quantum efficiency is improved, the power consumption is low and the service life is prolonged. The organic photoelectronic element comprises a substrate, an anode provided on the substrate, a cathode facing the anode, a light emitting layer disposed between the anode and the cathode, and a hole transport layer provided in contact with the light emitting layer between the light emitting layer and the anode, wherein the hole transport layer contains an organic semiconductor material and a fluorinated polymer, and at the surface of the hole transport layer in contact with the light emitting layer, the fluorinated polymer is present.Type: GrantFiled: February 3, 2020Date of Patent: June 7, 2022Assignees: AGC Inc., National University Corporation Yamagata UniversityInventors: Takefumi Abe, Yasuhiro Kuwana, Shigeki Hattori, Kaori Tsuruoka, Daisuke Yokoyama
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Patent number: 10892418Abstract: To provide a charge injection layer in which the refractive index is sufficiently low and unbalance in the composition of materials is less likely to occur, and a method for its production as well as an organic photoelectronic element and a method for its production. The charge injection layer contains a fluorinated polymer and a semiconductor material, and has a refractive index in the wavelength range of from 450 to 800 nm, of at most 1.60.Type: GrantFiled: February 3, 2020Date of Patent: January 12, 2021Assignees: AGC Inc., National University Corporation Yamagata UniversityInventors: Shigeki Hattori, Takefumi Abe, Kaori Tsuruoka, Yasuhiro Kuwana, Daisuke Yokoyama
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Patent number: 10879468Abstract: To provide a layer such as a charge transport layer having a refractive index significantly lowered without impairing electrical conductivity and surface roughness, and a method for producing it. A deposited film composition obtained by co-depositing a fluorinated polymer having a saturated vapor pressure at 300° C. of at least 0.001 Pa and an organic semiconductor material.Type: GrantFiled: June 4, 2019Date of Patent: December 29, 2020Assignees: National University Corporation Yamagata University, AGC Inc.Inventors: Daisuke Yokoyama, Takefumi Abe, Yasuhiro Kuwana
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Publication number: 20200176715Abstract: To provide an organic photoelectronic element, of which the external quantum efficiency is improved, the power consumption is low and the service life is prolonged. The organic photoelectronic element comprises a substrate, an anode provided on the substrate, a cathode facing the anode, a light emitting layer disposed between the anode and the cathode, and a hole transport layer provided in contact with the light emitting layer between the light emitting layer and the anode, wherein the hole transport layer contains an organic semiconductor material and a fluorinated polymer, and at the surface of the hole transport layer in contact with the light emitting layer, the fluorinated polymer is present.Type: ApplicationFiled: February 3, 2020Publication date: June 4, 2020Applicants: AGC Inc., National University Corporation Yamagata UniversityInventors: Takefumi ABE, Yasuhiro Kuwana, Shigeki Hattori, Kaori Tsuruoka, Daisuke Yokoyama
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Publication number: 20200176678Abstract: To provide a charge injection layer in which the refractive index is sufficiently low and unbalance in the composition of materials is less likely to occur, and a method for its production as well as an organic photoelectronic element and a method for its production. The charge injection layer contains a fluorinated polymer and a semiconductor material, and has a refractive index in the wavelength range of from 450 to 800 nm, of at most 1.60.Type: ApplicationFiled: February 3, 2020Publication date: June 4, 2020Applicants: AGC Inc., National University Corporation Yamagata UniversityInventors: Shigeki HATTORI, Takefumi ABE, Kaori TSURUOKA, Yasuhiro KUWANA, Daisuke YOKOYAMA
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Patent number: 10674573Abstract: An organic light emitting diode comprises a hole transport layer, an emissive layer, and an electron transport layer. The hole transport layer and optionally the electron transport layer is made of a material having a refractive index having a specific anisotropy.Type: GrantFiled: December 2, 2015Date of Patent: June 2, 2020Assignee: UNIVERSITEIT GENTInventors: Kristiaan Neyts, Michiel Callens, Daisuke Yokoyama
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Publication number: 20200168829Abstract: To provide an organic photoelectronic element excellent in light emitting characteristics and long-term reliability. The organic photoelectronic element comprises a substrate, an anode provided on the substrate, a cathode facing the anode, a light emitting layer disposed between the anode and the cathode, a hole transport layer disposed between the light emitting layer and the anode, and an electron blocking layer provided in contact with the light emitting layer and the hole transport layer between the light emitting layer and the hole transport layer, wherein the hole transport layer contains a fluorinated polymer and an organic semiconductor material, and has a refractive index in the wavelength range of from 450 nm to 800 nm, of at most 1.Type: ApplicationFiled: February 3, 2020Publication date: May 28, 2020Applicants: AGC Inc., National University Corporation Yamagata UniversityInventors: Shigeki HATTORI, Takefumi ABE, Kaori TSURUOKA, Yasuhiro KUWANA, Daisuke YOKOYAMA
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Patent number: 10608183Abstract: To provide a charge transport layer excellent in the external quantum efficiency, and an organic photoelectronic element comprising the charge transport layer. A charge transport layer comprising a film containing a fluorinated polymer and a semiconductor material, wherein the film has a material composition such that ?Eth is within a range of from 0.010 to 0.080 MV/cm. An organic photoelectronic element comprising the charge transport layer.Type: GrantFiled: June 4, 2019Date of Patent: March 31, 2020Assignees: AGC Inc., National University Corporation Yamagata UniversityInventors: Takefumi Abe, Yasuhiro Kuwana, Shigeki Hattori, Kaori Tsuruoka, Daisuke Yokoyama
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Patent number: 10541630Abstract: A manufacturing method of a vibrator includes processing a tip of a contact part arranged on an elastic body of the vibrator by lapping or grinding processing so that part of the tip has a plane shape in part of a spherical shape.Type: GrantFiled: December 22, 2015Date of Patent: January 21, 2020Assignee: Canon Kabushiki KaishaInventor: Daisuke Yokoyama
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Publication number: 20190312202Abstract: To provide a composition having a very low refractive index, an organic photoelectronic element using the composition, and simple methods for producing such a composition and an organic photoelectronic element. A composition comprising a fluorinated polymer, an organic semiconductor material and a dopant.Type: ApplicationFiled: June 24, 2019Publication date: October 10, 2019Applicants: NATIONAL UNIVERSITY CORPORATION YAMAGATA UNIVERSITY, AGC Inc.Inventors: Daisuke YOKOYAMA, Takefumi ABE, Yasuhiro KUWANA
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Publication number: 20190305226Abstract: To provide a layer such as a charge transport layer having a refractive index significantly lowered without impairing electrical conductivity and surface roughness, and a method for producing it. A deposited film composition obtained by co-depositing a fluorinated polymer having a saturated vapor pressure at 300° C. of at least 0.001 Pa and an organic semiconductor material.Type: ApplicationFiled: June 4, 2019Publication date: October 3, 2019Applicants: National University Corporation Yamagata University, AGC Inc.Inventors: Daisuke YOKOYAMA, Takefumi ABE, Yasuhiro KUWANA
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Publication number: 20190288205Abstract: To provide a charge transport layer excellent in the external quantum efficiency, and an organic photoelectronic element comprising the charge transport layer. A charge transport layer comprising a film containing a fluorinated polymer and a semiconductor material, wherein the film has a material composition such that ?Eth is within a range of from 0.010 to 0.080 MV/cm. An organic photoelectronic element comprising the charge transport layer.Type: ApplicationFiled: June 4, 2019Publication date: September 19, 2019Applicants: AGC Inc., National University Corporation Yamagata UniversityInventors: Takefumi ABE, Yasuhiro Kuwana, Shigeki Hattori, Kaori Tsuruoka, Daisuke Yokoyama
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Patent number: 10381566Abstract: The present invention relates to an organic charge transport layer having a low refractive index, and to an organic EL device, an organic semiconductor device, and an organic photoelectric device which are provided with the organic charge transport layer. An object of the present invention is to provide an organic semiconductor thin film having a dramatically reduced refractive index without impairing conductivity, by mixing a predetermined amount of an electret material into an organic semiconductor material. The organic charge transport layer according to the present invention is characterized by containing an organic semiconductor material and an electret material. It is preferable that the organic semiconductor material is a hole transport material and the electret material has a refractive index of 1.5 or lower.Type: GrantFiled: June 17, 2016Date of Patent: August 13, 2019Assignee: NATIONAL UNIVERSITY CORPORATION YAMAGATA UNIVERSITYInventors: Daisuke Yokoyama, Yasutaka Suzuki, Wataru Aita