Patents by Inventor Yoshikazu Arai
Yoshikazu Arai 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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Patent number: 11650499Abstract: There is provided a highly sensitive colorant-containing photosensitive resin composition that can form an excellent crack resistant cured product for use in the formation of organic EL element barrier ribs. One embodiment of the photosensitive resin composition for use in organic EL element barrier ribs comprises: (A) a binder resin; (B) a phenolic hydroxyl group-containing compound having a molecular weight of 260 to 5,000 and a phenolic hydroxyl group equivalent of 80 to 155; (C) a radiation sensitive compound; and (D) a colorant selected from the group consisting of black dyes and black pigments.Type: GrantFiled: October 25, 2019Date of Patent: May 16, 2023Assignee: SHOWA DENKO K.K.Inventors: Kentaro Furue, Yoshikazu Arai
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Publication number: 20230121698Abstract: Provided herein are small molecule modulators of ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1), compositions comprising the compounds, and methods of using the compounds and compositions comprising the compounds.Type: ApplicationFiled: December 23, 2020Publication date: April 20, 2023Inventors: Anthony PINKERTON, Eduard SERGIENKO, Yohei KIYOTSUKA, Katsuji KAGECHIKA, Yasunobu KUROSAKI, Yoshikazu ARAI, Masatoshi NAGAMOCHI, Koutaro ISHIBASHI
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Publication number: 20220339500Abstract: The information generation device stores a model that is generated based on a user information relating to a user, a motion information relating to a motion of each part of a body of the user, and an evaluation report including a comment and an exercise program created by a specialist. The information generation device creates an exercise program for each part of one user, from the user information of the one user and the motion information of each part of the body of the one user based on the model, and also creates a comment indicating a basis of creating the exercise program for each part for the one user. Then, the information generation device presents an evaluation report including the exercise program for each part and the comment indicating the basis.Type: ApplicationFiled: September 17, 2020Publication date: October 27, 2022Applicant: NEC CorporationInventors: Tomohiro MIWA, Yoshikazu ARAI
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Publication number: 20220326614Abstract: Provided is a high-sensitive photosensitive resin composition which contains a black colorant and by which development and pattern formation are possible even with a low exposure amount. A positive-type photosensitive resin composition according to one embodiment contains: a first resin (A) having a plurality of phenolic hydroxyl groups, at least some of which are protected with an acid-labile group; a second resin (B) having an epoxy group and a phenolic hydroxyl group; at least one colorant (C) selected from the group consisting of a black dye and a black pigment; and a photoacid generator (D).Type: ApplicationFiled: June 3, 2020Publication date: October 13, 2022Applicant: SHOWA DENKO K.K.Inventors: Yasuhiro ISHIDA, Kentaro FURUE, Yoshikazu ARAI, Mitsuhiro IWASAKI, Hideo HORIBE
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Publication number: 20220275241Abstract: The present invention reduces inhibition of light sensitization of a photosensitive resin composition containing a black dye and increases sensitivity by improving pattern forming ability. The photosensitive resin composition according to one embodiment of the present invention contains a binder resin (A), a radiation-sensitive compound (B), and a dye (C), wherein the dye (C) contains a black dye (C1) and a dye (C2) other than (C1), the dye (C2) has an absorption maximum at a wavelength of 480-550 nm in an wavelength range of 300-800 nm, and, when the absorbance of the dye (C2) at the absorption maximum wavelength is defined as Abs1 and the average absorbance of the dye (C2) at wavelengths 560-600 nm is defined as Abs2, Abs2/Abs1 equals 0.1-1.0.Type: ApplicationFiled: June 9, 2020Publication date: September 1, 2022Applicant: SHOWA DENKO K.K.Inventors: Kentaro FURUE, Yoshikazu ARAI
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Publication number: 20220221790Abstract: A highly-sensitive photosensitive resin composition contains a coloring agent, and can inhibit a coating from coming off in a development step. The photosensitive resin composition according to an embodiment of the present invention contains a binder resin (A), a compound (B) having a triazine ring and represented by formula (1), a radiation-sensitive compound (C), and a coloring agent (D) selected from the group consisting of black dyes and black pigments. In formula (1), R1, R2, and R3 each independently represent a hydroxy group, an alkyl group having 1-5 carbon atoms, an alkenyl group having 2-6 carbon atoms, an alkenyl ether group having 2-6 carbon atoms, an optionally substituted amino group, a halogenated alkyl group, a sulfide group, a mercapto group, a phenyl group, a phenyl ether group, a halogeno group, a naphthyl group, a pyridyl group, a biphenyl group, a morpholino group, a fluorene group, or a carbazole group.Type: ApplicationFiled: January 30, 2020Publication date: July 14, 2022Applicant: SHOWA DENKO K.K.Inventor: Yoshikazu ARAI
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Publication number: 20210256099Abstract: An information processing method includes acquiring image information imaged in such a manner that identification information for identifying a user and a scene related to the user are associated with each other (step S11), and performing a process of associating the identification information registered in advance with the image information including the scene related to a user who is the same as the user identified by the identification information (step S12).Type: ApplicationFiled: December 3, 2019Publication date: August 19, 2021Applicant: NEC CorporationInventors: Tomohiro MIWA, Joji TANAKA, Yoshikazu ARAI, Keiji KANAMEDA, Tsuyoshi NAKAMURA, Yuki KOBAYASHI
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Publication number: 20200249572Abstract: There is provided a highly sensitive colorant-containing photosensitive resin composition that can form an excellent crack resistant cured product for use in the formation of organic EL element barrier ribs. One embodiment of the photosensitive resin composition for use in organic EL element barrier ribs comprises: (A) a binder resin; (B) a phenolic hydroxyl group-containing compound having a molecular weight of 260 to 5,000 and a phenolic hydroxyl group equivalent of 80 to 155; (C) a radiation sensitive compound; and (D) a colorant selected from the group consisting of black dyes and black pigments.Type: ApplicationFiled: October 25, 2019Publication date: August 6, 2020Applicant: SHOWA DENKO K.K.Inventors: Kentaro FURUE, Yoshikazu Arai
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Patent number: 10192664Abstract: A yoke includes an annular groove in which an exciting coil is stored, and a first through hole formed in the bottom of the annular groove. A terminal housing includes a boss portion fitted in the first through hole and a connecting concave portion located on the opposite side of the annular groove with respect to the boss portion. The boss portion includes a second through hole extending in a direction parallel to the center line of the first through hole. An external connecting terminal is buried in the terminal housing. The external includes a coil extraction hole continuing to the second through hole. The extraction end of the exciting coil is soldered to the terminal in a state in which the extraction end is passed through the second through hole and the coil extraction hole.Type: GrantFiled: August 8, 2017Date of Patent: January 29, 2019Assignee: OGURA CLUTCH CO., LTD.Inventors: Motoi Kato, Yoshihiro Kurosu, Yasuyuki Iizuka, Yoshikazu Arai
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Publication number: 20180047489Abstract: A yoke includes an annular groove in which an exciting coil is stored, and a first through hole formed in the bottom of the annular groove. A terminal housing includes a boss portion fitted in the first through hole and a connecting concave portion located on the opposite side of the annular groove with respect to the boss portion. The boss portion includes a second through hole extending in a direction parallel to the center line of the first through hole. An external connecting terminal is buried in the terminal housing. The external includes a coil extraction hole continuing to the second through hole. The extraction end of the exciting coil is soldered to the terminal in a state in which the extraction end is passed through the second through hole and the coil extraction hole.Type: ApplicationFiled: August 8, 2017Publication date: February 15, 2018Inventors: Motoi Kato, Yoshihiro Kurosu, Yasuyuki Iizuka, Yoshikazu Arai
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Publication number: 20170293367Abstract: A display device includes: a display unit that displays a screen; a plurality of detection sensors that integrally deform with the display unit and output a signal corresponding to the deformation; and a control unit that converts coordinate data on the display unit based on detection data related to the deformation detected by the plurality of detection sensors. Typically, the control unit, based on detection data from the plurality of detection sensors arranged in a plurality of directions, calculates moving direction of a coordinate point on the display unit, and its moving amount and moving speed, the coordinate point corresponding to arrangement directions of the detection sensors.Type: ApplicationFiled: September 11, 2015Publication date: October 12, 2017Inventor: Yoshikazu ARAI
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Publication number: 20170294151Abstract: A deformation preventing device for a display device includes: an elastically deformable sheet-shaped display unit; a sensor that integrally deforms with the display unit, and outputs a signal corresponding to deformation of the display unit; a control unit that compares an amount of the deformation of the display unit with a prescribed value based on the signal, and outputs a comparison result; and a drive unit that outputs a drive signal to an actuating unit based on the comparison result, the drive signal causing the actuating unit to perform a warning operation, the actuating unit being different from the display unit.Type: ApplicationFiled: September 16, 2015Publication date: October 12, 2017Inventor: Yoshikazu ARAI
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Patent number: 9631688Abstract: An electromagnetic clutch includes a rotation transmission member supported by an input shaft portion via a bearing. The rotation transmission member includes a movement regulating portion having abutment portions that abut against the bearing. The clutch further includes first and second spring members that bias an armature toward a braking member, and a connecting member overlaid on the movement regulating portion. The connecting member has first holes at portions facing the abutment portions, and second holes at portions facing regions between the abutment portions. One-end portions of the first and second spring members are attached to the armature. First fixing members inserted into the first holes fix the other-end portions of the first spring members to the connecting member. Second fixing members inserted into the second holes fix the other-end portions of the second spring members to the connecting member and fix the connecting member to the movement regulating portion.Type: GrantFiled: March 21, 2016Date of Patent: April 25, 2017Assignee: OGURA CLUTCH CO., LTD.Inventors: Yoshihiro Kurosu, Takashi Yamaguchi, Yasuyuki Iizuka, Yoshikazu Arai
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Patent number: 9494207Abstract: A friction damper includes: a base body; a support secured to an elongated member of the base body and having a through hole; a rod which extends in such a manner as to pass through the through hole of the support and is movable in an axial direction with respect to the support; a friction member which has a hollow cylindrical portion interposed between the support and a main body portion of the rod in the through hole of the support, and which is fixed immovably with respect to the relative movement of the rod in the axial direction with respect to the base body; and a tightening means provided for the support so as to tighten the hollow cylindrical portion of the friction member onto the main body portion of the rod.Type: GrantFiled: June 19, 2013Date of Patent: November 15, 2016Assignee: Oiles CorporationInventors: Akihiko Okimura, Kazuhiro Nagashima, Go Tanaka, Yoshikazu Arai
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Patent number: 9488240Abstract: A friction damper includes a base body; a support secured to an elongated member of the base body and having a through hole; a rod which extends in such a manner as to pass through the through hole of the support and is movable in an axial direction with respect to the support; a friction member which has a hollow cylindrical portion interposed between the support and a main body portion of the rod in the through hole of the support, and which is fixed immovably with respect to the relative movement of the rod in the axial direction with respect to the base body; and a tightening structure provided for the support so as to tighten the hollow cylindrical portion of the friction member onto the main body portion of the rod.Type: GrantFiled: August 8, 2007Date of Patent: November 8, 2016Assignee: Oiles CorporationInventors: Akihiko Okimura, Kazuhiro Nagashima, Go Tanaka, Yoshikazu Arai
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Publication number: 20160281809Abstract: An electromagnetic clutch includes a rotation transmission member supported by an input shaft portion via a bearing. The rotation transmission member includes a movement regulating portion having abutment portions that abut against the bearing. The clutch further includes first and second spring members that bias an armature toward a braking member, and a connecting member overlaid on the movement regulating portion. The connecting member has first holes at portions facing the abutment portions, and second holes at portions facing regions between the abutment portions. One-end portions of the first and second spring members are attached to the armature. First fixing members inserted into the first holes fix the other-end portions of the first spring members to the connecting member. Second fixing members inserted into the second holes fix the other-end portions of the second spring members to the connecting member and fix the connecting member to the movement regulating portion.Type: ApplicationFiled: March 21, 2016Publication date: September 29, 2016Inventors: Yoshihiro Kurosu, Takashi Yamaguchi, Yasuyuki Iizuka, Yoshikazu Arai
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Publication number: 20150093649Abstract: An object of the present invention is to provide a method of producing a current collector for an electrochemical element that enable rapid charging and discharging with low internal resistance. The method of producing a current collector for an electrochemical element in the present invention has a step for coating a coating liquid onto a metal foil, the coating liquid containing at least one substance selected from the group consisting of methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxyethyl methyl cellulose, hydroxyethyl ethyl cellulose, hydroxypropyl methyl cellulose, hydroxyethyl starch, hydroxypropyl starch, dextrin, pullulan, dextran, guar gum and hydroxypropyl guar gum; an organic acid having valence of two or more or a derivative thereof, carbon particles and an organic solvent, followed by removing the organic solvent and forming a coating layer on the metal foil.Type: ApplicationFiled: March 15, 2013Publication date: April 2, 2015Inventors: Yoshikazu Arai, Nobuyuki Kobayashi, Seiji Doi, Hitoshi Yokouchi, Masahiro Ohmori
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Patent number: 8759553Abstract: Provided is a safe and simple method for producing an epoxy compound, wherein a compound with a carbon-carbon double bond is epoxidized by using hydrogen peroxide as an oxidizing agent in the presence of acetonitrile, wherein there is no need for concentration of a reaction mixture that contains residual hydrogen peroxide. A method for producing an epoxy compound wherein a compound with a carbon-carbon double bond is epoxidized by using hydrogen peroxide as an oxidizing agent, in the presence of acetonitrile, comprises a first step of adding water and an organic solvent that is incompatible with water and does not dissolve an acetamide by-product of the epoxidation reaction to a reaction mixture, upon completion of the epoxidation reaction, to dissolve the acetamide in the water, a second step of separating an organic layer and an aqueous layer, and a third step of subjecting the organic layer to reduction treatment, and then rinsing and concentrating it to provide an epoxy compound.Type: GrantFiled: June 29, 2011Date of Patent: June 24, 2014Assignee: Showa Denko K.K.Inventors: Yoshikazu Arai, Hiroshi Uchida
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Patent number: 8637225Abstract: A method for producing a magnetic recording medium comprising at least a recording layer and a protective film provided on top of a non-magnetic substrate, the method comprising, in the following order, forming a continuous recording layer on the substrate, forming a patterned resist layer, partially removing the recording layer based on a resist pattern, applying an organosilicon compound having an active energy beam-curable functional group onto the recording layer and regions from which the recording layer has been removed, curing the organosilicon compound with an active energy beam, etching the organosilicon compound to expose a magnetic layer, and forming a protective film.Type: GrantFiled: March 10, 2009Date of Patent: January 28, 2014Assignee: Showa Denko K.K.Inventors: Yoshikazu Arai, Hiroshi Uchida, Naoyuki Imai, Masato Fukushima
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Publication number: 20130327607Abstract: A friction damper includes: a base body; a support secured to an elongated member of the base body and having a through hole; a rod which extends in such a manner as to pass through the through hole of the support and is movable in an axial direction with respect to the support; a friction member which has a hollow cylindrical portion interposed between the support and a main body portion of the rod in the through hole of the support, and which is fixed immovably with respect to the relative movement of the rod in the axial direction with respect to the base body; and a tightening means provided for the support so as to tighten the hollow cylindrical portion of the friction member onto the main body portion of the rod.Type: ApplicationFiled: June 19, 2013Publication date: December 12, 2013Applicant: OILES CORPORATIONInventors: Akihiko OKIMURA, Kazuhiro NAGASHIMA, Go TANAKA, Yoshikazu Arai