Patents by Inventor Hideki Okada

Hideki Okada 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).

  • COIL SPRING PROCESSING DEVICE
    Publication number: 20180354098
    Abstract: A coil spring processing device includes an end positioning device, shot peening device, and controller. The end positioning device positions ends of a coil spring. The shot peening device includes a turntable mechanism, pressure mechanism, rotation mechanism which rotates the coil spring, and projection mechanism which projects shots. Holding mechanisms each include a lower shifting prevention jig and an upper shifting prevention jig. The controller stops a first holding mechanism and a second holding mechanism in rotation stop positions corresponding to end turn portions of the coil spring.
    Type: Application
    Filed: August 21, 2018
    Publication date: December 13, 2018
    Applicant: NHK SPRING CO., LTD.
    Inventors: Hideki OKADA, Daisuke YOKOTA, Senri MORIYAMA, Satoshi AKIYAMA, Masaya KOMAZAKI, Go NAGAYASU
  • SHOT PEENING DEVICE
    Publication number: 20180354097
    Abstract: A shot peening device includes a turntable which rotates about a revolution axis, holding mechanism which moves with the turntable, pressure mechanism which compresses a coil spring, rotation mechanism which rotates the coil spring, projection mechanism which projects shots to the compressed coil spring, load cell which detects a load applied to the coil spring, and controller. A signal output from the load cell is input to the controller, and the controller detects a chronological change of the load applied to the coil spring during the shot peening.
    Type: Application
    Filed: August 21, 2018
    Publication date: December 13, 2018
    Applicant: NHK SPRING CO., LTD.
    Inventors: Hideki OKADA, Daisuke YOKOTA, Senri MORIYAMA, Satoshi AKIYAMA, Masaya KOMAZAKI, Go NAGAYASU
  • ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
    Publication number: 20180335710
    Abstract: An electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer. The photosensitive layer has a single-layer structure and contains a charge generating material and a compound represented by general formula (1) shown below. In the general formula (1), R1 and R2 each represent, independently of each other: an alkyl group having 1 to 12 carbon atoms and optionally substituted by an alkoxy group having 1 to 6 carbon atoms or an alkoxycarbonyl group having 2 to 6 carbon atoms; an aryl group having 6 to 14 carbon atoms and optionally substituted by an alkyl group having 1 to 6 carbon atoms; an aralkyl group having 7 to 20 carbon atoms; or a cycloalkyl group having 3 to 10 carbon atoms. X represents —S— or —SO2—.
    Type: Application
    Filed: May 7, 2018
    Publication date: November 22, 2018
    Applicant: KYOCERA Document Solutions Inc.
    Inventor: Hideki OKADA
  • SYNTHETIC INTERMEDIATE OF 1-(2-DEOXY-2-FLUORO-4-THIO-ß-D-ARABINOFURANOSYL)CYTOSINE, SYNTHETIC INTERMEDIATE OF THIONUCLEOSIDE, AND METHOD FOR PRODUCING THE SAME
    Publication number: 20180327377
    Abstract: A compound represented by a formula [1D] as shown below (wherein R1A, R1B, R2A, R2B, R3A and R3B represent a hydrogen atom, an optionally substituted C1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside.
    Type: Application
    Filed: July 25, 2018
    Publication date: November 15, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Kouki NAKAMURA, Satoshi SHIMAMURA, Junichi IMOTO, Motomasa TAKAHASHI, Katsuyuki WATANABE, Kenji WADA, Yuuta FUJINO, Takuya MATSUMOTO, Makoto TAKAHASHI, Hideki OKADA, Takehiro YAMANE, Takayuki ITO
  • Quinone derivative and electrophotographic photosensitive member
    Patent number: 10126667
    Abstract: A quinone derivative is represented by general formula (1), (2), or (3). In general formulae (1), (2), and (3), R1, R2, R3, R4, R11, R12, R13, R14, R21, R22, R23, and R24 each represent, independently of one another, a hydrogen atom, a cyano group, a halogen atom, an optionally substituted alkyl group having a carbon number of 1-6, or an optionally substituted alkoxy group having a carbon number of 1-6. R5, R6, R15, R16, R25, and R26 each represent, independently of one another, an optionally substituted alkyl group having a carbon number of 1-6, an optionally substituted alkoxy group having a carbon number of 1-6, an optionally substituted aryl group having a carbon number of 6-14, an optionally substituted aralkyl group having a carbon number of 7-12, or an optionally substituted cycloalkyl group having a carbon number of 3-10.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: November 13, 2018
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Hideki Okada, Fumio Sugai, Kensuke Kojima
  • Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-?-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same
    Patent number: 10093645
    Abstract: A compound represented by a formula [1D] as shown below (wherein R1A, R1B, R2A, R2B, R3A and R3B represent a hydrogen atom, an optionally substituted C1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: October 9, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Kouki Nakamura, Satoshi Shimamura, Junichi Imoto, Motomasa Takahashi, Katsuyuki Watanabe, Kenji Wada, Yuuta Fujino, Takuya Matsumoto, Makoto Takahashi, Hideki Okada, Takehiro Yamane, Takayuki Ito
  • INK JET INK COMPOSITION FOR TEXTILE PRINTING AND INK JET TEXTILE PRINTING METHOD
    Publication number: 20180282945
    Abstract: An ink jet ink composition for textile printing contains a crosslinking component having a blocked isocyanate group, tertiary amine, at least one carboxylic acid selected from the group consisting of monocarboxylic acid, dicarboxylic acid, and tricarboxylic acid, a pigment, and water.
    Type: Application
    Filed: March 1, 2018
    Publication date: October 4, 2018
    Inventors: Kosuke CHIDATE, Masakazu OHASHI, Hideki OKADA, Takako SUGIYAMA, Hiromi NOGUCHI
  • Electrophotographic photosensitive member
    Patent number: 10078277
    Abstract: An electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer containing a charge generating material, a hole transport material, a quinone derivative, and a binder resin. The quinone derivative is represented by general formula (1) or (2), where R1, R2, R3, R4, and R5 each represent, independently of one another, a hydrogen atom, an alkyl group having a carbon number of at least 1 and no greater than 12, an aryl group that has a carbon number of at least 6 and no greater than 14 and that may have an alkyl group having a carbon number of at least 1 and no greater than 6, an aralkyl group having a carbon number of at least 7 and no greater than 12, or a cycloalkyl group having a carbon number of at least 3 and no greater than 10. Z represents an oxygen atom or a sulfur atom.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: September 18, 2018
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Hideki Okada
  • DRYING APPARATUS, RECORDING APPARATUS, AND DRYING METHOD
    Publication number: 20180257399
    Abstract: A drying apparatus includes a drying chamber configured to be connected to a decompression section, and a moving section configured to move a target object in the interior of the drying chamber. With this structure, the pressure in the interior of the drying chamber can be reduced and the target object can be dried in the interior of the drying chamber, and thereby the drying efficiency of the target object can be increased.
    Type: Application
    Filed: March 6, 2018
    Publication date: September 13, 2018
    Inventor: Hideki OKADA
  • FRICTION STIR SPOT WELDING DEVICE AND FRICTION STIR SPOT WELDING METHOD
    Publication number: 20180257169
    Abstract: A friction stir spot welding device which welds an object to be welded, by softening the object by friction heat and by stirring the object, has a tool with a cylindrical shape, the tool being rotatable around an axis thereof, advanceable along a direction of the axis, and retractable along the direction of the axis, a temperature detector which detects a temperature of the tool when a welding step for the object starts, and a controller configured to compare the temperature of the tool which is detected by the temperature detector to a predetermined reference temperature to set a plunging force applied by the tool to press the object.
    Type: Application
    Filed: September 13, 2016
    Publication date: September 13, 2018
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Hideki OKADA, Shuhei YOSHIKAWA, Kenichi KAMIMUKI
  • DRYING APPARATUS, RECORDING APPARATUS, AND DRYING METHOD
    Publication number: 20180236784
    Abstract: A drying apparatus includes: a heating drying portion that heats and dries a thermoplastic medium to which a liquid has been applied; and a pressurizing portion that pressurizes the thermoplastic medium heated by the heating drying portion to correct a shape of the thermoplastic medium. The pressurizing portion pressurizes, while heating, the heated thermoplastic medium in accordance with a state of the thermoplastic medium deformed.
    Type: Application
    Filed: February 21, 2018
    Publication date: August 23, 2018
    Inventor: Hideki OKADA
  • ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
    Publication number: 20180157183
    Abstract: An electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer containing a charge generating material, a hole transport material, a quinone derivative, and a binder resin. The quinone derivative is represented by general formula (1) or (2), where R1, R2, R3, R4, and R5 each represent, independently of one another, a hydrogen atom, an alkyl group having a carbon number of at least 1 and no greater than 12, an aryl group that has a carbon number of at least 6 and no greater than 14 and that may have an alkyl group having a carbon number of at least 1 and no greater than 6, an aralkyl group having a carbon number of at least 7 and no greater than 12, or a cycloalkyl group having a carbon number of at least 3 and no greater than 10. Z represents an oxygen atom or a sulfur atom.
    Type: Application
    Filed: November 30, 2017
    Publication date: June 7, 2018
    Applicant: KYOCERA Document Solutions Inc.
    Inventor: Hideki OKADA
  • Triarylamine derivative, electrophotographic photosensitive member, and method for producing electrophotographic photosensitive member
    Patent number: 9964869
    Abstract: A triarylamine derivative represented by general formula (1) below. In the general formula (1), R1, R2, R4, R5, R6, R7, R8, and R9 each represent, independently from one another, a hydrogen atom, an optionally substitute alkyl group having a carbon number of at least 1 and no greater than 6, an optionally substituted alkoxy group having a carbon number of at least 1 and no greater than 6, or an optionally substituted aryl group having a carbon number of at least 6 and no greater than 14, R3 represents an alkyl group having a carbon number of at least 1 and no greater than 4, X represents an alkylene group having a carbon number of at least 1 and no greater than 6 or an oxygen atom, and n represents an integer of 1 to 3.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: May 8, 2018
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Kensuke Okawa, Hideki Okada, Jun Azuma, Fumio Sugai, Kensuke Kojima
  • HOLLOW STABILIZER
    Publication number: 20180117983
    Abstract: A hollow stabilizer has a tubular shape and is provided with a torsion section that is provided to a vehicle and that extends in the vehicle width direction; an arm section that extends in the front-back direction of the vehicle; and bent sections that connect the torsion section and the arm section. The hardness of the outer surface of the bent inner sides of the bent sections of the hollow stabilizer is 70% or more with respect to the hardness of the outer surface of the arm section.
    Type: Application
    Filed: March 16, 2016
    Publication date: May 3, 2018
    Inventors: Yutaka Wakabayashi, Ken Takahashi, Masato Sugawara, Hideki Okada
  • Naphthalenedicarboximide derivative and electrophotographic photosensitive member
    Patent number: 9952521
    Abstract: A naphthalenedicarboximide derivative is represented by general formula (1) or (2). In general formulas (1) and (2), R1, R2, and R3 each represent, independently of one another, an alkyl group which has a carbon number from 1 to 10 and which may have an aryl group having a carbon number from 6 to 14, an aryl group which has a carbon number from 6 to 14 and which may have an alkyl group having a carbon number from 1 to 10, a cycloalkyl group having a carbon number from 3 to 10, or an alkoxy group having a carbon number from 1 to 6, and m represents an integer from 0 to 4. When m represents an integer of 2 or more, chemical groups R2 may each be the same or may each be different.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: April 24, 2018
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Hideki Okada
  • Multi-layer electrophotographic photosensitive member, process cartridge, and image forming apparatus
    Patent number: 9933712
    Abstract: A multi-layer electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer. The photosensitive layer includes a charge generating layer and a charge transport layer. The charge generating layer contains a charge generating material. The charge transport layer contains a hole transport material and a binder resin. The charge generating material contains a titanyl phthalocyanine that exhibits a main peak at a Bragg angle (2?±0.2°) of 27.2° in a CuK? characteristic X-ray diffraction spectrum. The hole transport material contains a triarylamine derivative represented by generic formula (1). The hole transport material has a mass ratio of at least 0.30 and no greater than 0.55 relative to the binder resin in the charge transport layer. In general formula (1), R1, R2, l, and m are the same as those defined in the specification.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: April 3, 2018
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Akihiko Ogata, Hideki Okada, Jun Azuma, Kensuke Okawa
  • METHOD FOR PRODUCING HOLLOW STABILIZER
    Publication number: 20180073096
    Abstract: A method of manufacturing a hollow stabilizer includes a forming step of subjecting an element pipe to a bending process, to form a product shape including bent portions, and a quenching step of quenching the element pipe subjected to the bending process. In the quenching step, a cooling process is performed by immersing the element pipe made of steel in coolant and by spraying the coolant to an outer surface of the bent portion.
    Type: Application
    Filed: March 16, 2016
    Publication date: March 15, 2018
    Inventors: Yutaka Wakabayashi, Ken Takahashi, Masato Sugawara, Hideki Okada
  • Method for producing thiolane skeleton-type glycoconjugate, and thiolane skeleton-type glycoconjugate
    Patent number: 9884882
    Abstract: There is provided a production method of a compound represented by the following formula (II) through a step of reacting a compound represented by the following General Formula (I) with a sulfur compound. In General Formulas (I) and (II), R1 represents a hydrogen atom or an acyl group, R2 represents a hydrogen atom, a fluorine atom, an acyloxy group, an arylmethyloxy group, an allyloxy group, an arylmethyloxycarbonyloxy group, or an allyloxycarbonyloxy group, R3 represents a hydrogen atom or an acyloxy group, R5 represents an alkyl group or an aryl group, and X represents a leaving group. Here, in a case where R2 is a fluorine atom, an acyloxy group, an arylmethyloxy group, an allyloxy group, an arylmethyloxycarbonyloxy group, or an allyloxycarbonyloxy group, R3 is an acyloxy group.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: February 6, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Takayuki Ito, Toru Watanabe, Hideki Okada, Hidenobu Kuniyoshi
  • QUINONE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
    Publication number: 20170363977
    Abstract: A quinone derivative is represented by general formula (1), (2), or (3). In general formulae (1), (2), and (3), R1, R2, R3, R4, R11, R12, R13, R14, R21, R22, R23, and R24 each represent, independently of one another, a hydrogen atom, a cyano group, a halogen atom, an optionally substituted alkyl group having a carbon number of 1-6, or an optionally substituted alkoxy group having a carbon number of 1-6. R5, R6, R15, R16, R25, and R26 each represent, independently of one another, an optionally substituted alkyl group having a carbon number of 1-6, an optionally substituted alkoxy group having a carbon number of 1-6, an optionally substituted aryl group having a carbon number of 6-14, an optionally substituted aralkyl group having a carbon number of 7-12, or an optionally substituted cycloalkyl group having a carbon number of 3-10.
    Type: Application
    Filed: June 7, 2017
    Publication date: December 21, 2017
    Applicant: KYOCERA Document Solutions Inc.
    Inventors: Hideki OKADA, Fumio SUGAI, Kensuke KOJIMA
  • QUINONE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
    Publication number: 20170363978
    Abstract: A quinone derivative is represented by general formula (1). In general formula (1), at least one of R1-R3 and at least one of R4-R6 each represent, independently of one another, an alkyl group having 4 to 10 carbon atoms or an alkyl group having 2 to 5 carbon atoms that has an aryl group having 6 to 14 carbon atoms. All other of R1-R3 and all other of R4-R6 each represent, independently of one another, an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 14 carbon atoms, or a cycloalkyl group having 3 to 10 carbon atoms.
    Type: Application
    Filed: June 9, 2017
    Publication date: December 21, 2017
    Applicant: KYOCERA Document Solutions Inc.
    Inventor: Hideki OKADA