Patents by Inventor Norihiro Yamamoto

Norihiro Yamamoto 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: 20210260830
    Abstract: An object of the present disclosure is to provide a fabrication apparatus, a controller, and a method to fabricate a desired three-dimensional object. A fabrication apparatus to fabricate a three-dimensional object, the fabrication apparatus includes a fabricated-object-shape measurement unit (340) to measure a planar shape of a fabrication layer, a displaced-shape prediction unit (350) to predict a displacement amount of a shape of the fabrication layer after a predetermined time has elapsed since fabrication of the fabrication layer, and a correction-vector output unit (370) to correct fabrication data of a next fabrication layer to be fabricated next to the fabrication layer based on planar shape data of the fabrication layer measured by the fabricated-object-shape measurement unit (340) and the displacement amount predicted by the displaced-shape prediction unit (350).
    Type: Application
    Filed: May 27, 2019
    Publication date: August 26, 2021
    Applicant: Ricoh Company, Ltd.
    Inventor: Norihiro YAMAMOTO
  • Publication number: 20210159484
    Abstract: A lithium ion rechargeable battery includes an electrode assembly and an electrolyte solution. A negative electrode includes a negative electrode current collector and a negative electrode active material layer formed on a surface of the negative electrode. The negative electrode is doped with lithium. An aperture ratio of the negative electrode current collector is 0% or higher and 0.1% or lower. A discharge capacity ratio X, which is defined by Formula (1): X=C1/C2, is greater than 0, and 0.9 or less. C1 in the Formula (1) is a discharge capacity of a cell when the cell is charged and discharged at a cell voltage between 2.0 V and 4.3 V. C2 in the Formula (1) is a discharge capacity of the negative electrode when the negative electrode is charged and discharged between 0V vs. Li/Li+ and 3V vs. Li/Li+.
    Type: Application
    Filed: April 18, 2019
    Publication date: May 27, 2021
    Applicant: MUSASHI ENERGY SOLUTIONS CO., LTD.
    Inventors: Hiroki YAKUSHIJI, Kazunari AITA, Tomohiro UTAKA, Masaya NAOI, Kenji KOJIMA, Norihiro YAMAMOTO, Nobuo ANDO
  • Publication number: 20200269514
    Abstract: A shaping device is configured to shape a three-dimensional shaped object. The shaping device includes a measuring unit and a correcting unit. The measuring unit is configured to measure a shape of a shaping layer. The correcting unit is configured to correct operation of shaping a shaping layer, according to a first correction amount based on a measurement result of the measuring unit and a second correction amount in accordance with a past correction.
    Type: Application
    Filed: February 19, 2020
    Publication date: August 27, 2020
    Applicant: Ricoh Company, Ltd.
    Inventor: Norihiro YAMAMOTO
  • Patent number: 10701226
    Abstract: A server is capable of performing communication with each of a multi-functional peripheral and an external terminal device. The server includes a control portion, wherein the control portion is configured to execute: storing, when the multi-functional peripheral executes image output according to a user operation that is input from the external terminal device or an operating portion provided on the multi-functional peripheral in a state where a first user interface image is displayed on the multi-functional peripheral or/and a state where a second user interface image is displayed on the external terminal device, a history of the user operation; and transmitting a content to be displayed in the first user interface image and the second user interface image based on the stored history of the user operation stored.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: June 30, 2020
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Norihiro Yamamoto
  • Patent number: 10680471
    Abstract: A permanent magnet motor is provided, which includes a rotor including a rotation axle and a plurality of magnetized rotor magnets on a periphery, which rotor magnets are magnetized to form alternately N-poles and S-poles; first and second ring-shaped-claw-pole units, whose inner circumferences face the rotor magnets, including a plurality of first and second claw-poles along the inner circumference, the first and the second claw-poles being closely adjacent to each other extending alternately in upward and downward axis directions of the rotation axle, bottom sides of the first and the second claw-poles forming a ring shape. A first opening portion is formed in a first joint surface of the first ring-shaped-claw-pole unit, to be joined to the second ring-shaped-claw-pole unit, and the second opening portion is formed in a second joint surface of the second ring-shaped-claw-pole unit, to be joined to the first ring-shaped-claw-pole unit.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: June 9, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Takashi Hashimoto, Takahisa Koike, Haruyuki Suzuki, Eiki Yoshimizu, Norihiro Yamamoto
  • Publication number: 20190238696
    Abstract: An authentication processing portion of an MFP requests user authentication to a server based on user information including at least a user ID input from a mobile terminal apparatus or an operation panel. The server has a user authentication portion which performs the user authentication and a UI instruction portion which specifies, when the user authentication succeeds, a UI image displayed on a display panel of the apparatus for operating the MFP depending on the user ID, and instructs the MFP to display the UI image on the apparatus. The MFP executes image output in accordance with a user operation received from the apparatus through the wireless communication portion in a state where the UT image is displayed on the apparatus.
    Type: Application
    Filed: April 12, 2019
    Publication date: August 1, 2019
    Inventor: Norihiro YAMAMOTO
  • Patent number: 10306086
    Abstract: A multi-functional peripheral includes a communication portion configured to communicate with an external terminal apparatus, and an image output control portion configured to execute an image output in accordance with input information of a user interface image from the external terminal apparatus. The user interface image is an image which is transmitted from a server when succeeding in user authentication based on user identification information input from the external terminal apparatus and is for operating the multi-functional peripheral specified dependent on the user identification information. The image output control portion executes the image output in a state in which an interface image of an initial screen is displayed on a display portion of the multi-functional peripheral and the user interface image is displayed on a display portion of the external terminal apparatus.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: May 28, 2019
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Norihiro Yamamoto
  • Patent number: 10256049
    Abstract: A positive electrode for a lithium ion capacitor includes a positive electrode layer which, after a pretreatment for measurement, has a volume of pores having pore size of not lower than 1.0 nm and lower than 1.4 nm of not lower than 0.11 cc/g, calculated by an HK method, and total pore volume calculated by a BET method of not more than 1.1 cc/g. In the pretreatment: the positive electrode is taken out of a cell of cell voltage of 3 V, cut out and immersed in 10 cc of dehydrated acetonitrile per 1 cm3 of the positive electrode at 25° C. for 10 minutes with stirring. This immersion is repeated three times, and the positive electrode is in a pre-drying at 60° C. for 1 hour. The positive electrode layer is then scraped off from the positive electrode and dried for 2 hours at 200° C. and pressure reduced to 5.5 Pa.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: April 9, 2019
    Assignee: JM ENERGY CORPORATION
    Inventors: Norihiro Yamamoto, Kenji Kojima
  • Patent number: 10208372
    Abstract: A grain-oriented electrical steel sheet being a grain-oriented electrical steel sheet containing Si of 0.8 mass % to 7 mass %, Mn of 0.05 mass % to 1 mass %, B of 0.0005 mass % to 0.0080 mass %, each content of Al, C, N, S, and Se of 0.005 mass % or less, and a balance being composed of Fe and inevitable impurities and having a glass coating film made of composite oxide mainly composed of forsterite on the steel sheet surface, in which when glow discharge optical emission spectrometry (GDS) to the surface of a secondary coating film formed on the surface of the glass coating film under a predetermined condition is performed, a peak, of B, in emission intensity having a peak position in emission intensity different from a peak position, of Mg, in emission intensity is obtained and the peak position, of B, in emission intensity from the steel sheet surface is deeper than the peak position, of Mg, in emission intensity.
    Type: Grant
    Filed: January 12, 2012
    Date of Patent: February 19, 2019
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Fumiaki Takahashi, Yoshiyuki Ushigami, Kazumi Mizukami, Shuichi Nakamura, Norikazu Fujii, Norihiro Yamamoto, Masahide Urago
  • Patent number: 10199967
    Abstract: A motor controller that controls a motor in a first control method based on a first current command value and a second control method based on a second current command value. The motor controller includes an analog-to-digital converter to generate the second current command value based on a reference signal externally input to the motor controller and a current limit generator to generate an upper limit value of the first current command value based on the second current command value.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: February 5, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Norihiro Yamamoto, Haruyuki Suzuki, Masayuki Muranaka
  • Patent number: 10133223
    Abstract: An angle estimator includes correction means for correcting a phase of an error parameter to obtain a corrected error parameter and estimation means for calculating an estimated speed and an estimated angle of the motor based on the corrected error parameter. The error parameter is a function of an angle error representing a difference between an actual angle and an estimated angle of a motor.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: November 20, 2018
    Assignee: RICOH COMPANY, LTD.
    Inventors: Fumihiro Shimizu, Norihiro Yamamoto
  • Publication number: 20180198933
    Abstract: An authentication processing portion of an MFP requests user authentication to a server based on user information including at least a user ID input from a mobile terminal apparatus or an operation panel. The server has a user authentication portion which performs the user authentication and a UI instruction portion which specifies, when the user authentication succeeds, a UI image displayed on a display panel of the apparatus for operating the MFP depending on the user ID, and instructs the MFP to display the UI image on the apparatus. The MFP executes image output in accordance with a user operation received from the apparatus through the wireless communication portion in a state where the UI image is displayed on the apparatus.
    Type: Application
    Filed: March 8, 2018
    Publication date: July 12, 2018
    Inventor: Norihiro YAMAMOTO
  • Patent number: 9955029
    Abstract: An authentication processing portion of an MFP requests user authentication to a server based on user information including at least a user ID input from a mobile terminal apparatus or an operation panel. The server has a user authentication portion which performs the user authentication and a UI instruction portion which specifies, when the user authentication succeeds, a UI image displayed on a display panel of the apparatus for operating the MFP depending on the user ID, and instructs the MFP to display the UI image on the apparatus. The MFP executes image output in accordance with a user operation received from the apparatus through the wireless communication portion in a state where the UI image is displayed on the apparatus.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: April 24, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Norihiro Yamamoto
  • Publication number: 20180013363
    Abstract: A motor controller that controls a motor in a first control method based on a first current command value and a second control method based on a second current command value. The motor controller includes an analog-to-digital converter to generate the second current command value based on a reference signal externally input to the motor controller and a current limit generator to generate an upper limit value of the first current command value based on the second current command value.
    Type: Application
    Filed: July 6, 2017
    Publication date: January 11, 2018
    Applicant: Ricoh Company, Ltd.
    Inventors: Norihiro YAMAMOTO, Haruyuki SUZUKI, Masayuki MURANAKA
  • Publication number: 20170373617
    Abstract: An angle estimator includes correction means for correcting a phase of an error parameter to obtain a corrected error parameter and estimation means for calculating an estimated speed and an estimated angle of the motor based on the corrected error parameter. The error parameter is a function of an angle error representing a difference between an actual angle and an estimated angle of a motor.
    Type: Application
    Filed: June 15, 2017
    Publication date: December 28, 2017
    Applicant: Ricoh Company, Ltd.
    Inventors: Fumihiro SHIMIZU, Norihiro YAMAMOTO
  • Patent number: 9572213
    Abstract: An illumination light includes: a bridge diode that performs full-wave rectification on an alternating-current signal; a switching converter that includes a switching device and that converts the alternating-current signal on which the full-wave rectification has been performed, into a direct-current signal; a controller that controls on/off timing of the switching device; and a semiconductor light emitting element that is connected to the switching converter and the controller and to which the direct-current signal is output.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: February 14, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Ryohsuke Nishi, Taroh Shirai, Norihiro Yamamoto
  • Publication number: 20170040122
    Abstract: A positive electrode for a lithium ion capacitor includes a positive electrode layer which, after a pretreatment for measurement, has a volume of pores having pore size of not lower than 1.0 nm and lower than 1.4 nm of not lower than 0.11 cc/g, calculated by an HK method, and total pore volume calculated by a BET method of not more than 1.1 cc/g. In the pretreatment: the positive electrode is taken out of a cell of cell voltage of 3 V, cut out and immersed in 10 cc of dehydrated acetonitrile per 1 cm3 of the positive electrode at 25° C. for 10 minutes with stirring. This immersion is repeated three times, and the positive electrode is in a pre-drying at 60° C. for 1 hour. The positive electrode layer is then scraped off from the positive electrode and dried for 2 hours at 200° C. and pressure reduced to 5.5 Pa.
    Type: Application
    Filed: March 30, 2015
    Publication date: February 9, 2017
    Applicant: JM Energy Corporation
    Inventors: Norihiro YAMAMOTO, Kenji KOJIMA
  • Publication number: 20160149443
    Abstract: A permanent magnet motor is provided, which includes a rotor including a rotation axle and a plurality of magnetized rotor magnets on a periphery, which rotor magnets are magnetized to form alternately N-poles and S-poles; first and second ring-shaped-claw-pole units, whose inner circumferences face the rotor magnets, including a plurality of first and second claw-poles along the inner circumference, the first and the second claw-poles being closely adjacent to each other extending alternately in upward and downward axis directions of the rotation axle, bottom sides of the first and the second claw-poles forming a ring shape. A first opening portion is formed in a first joint surface of the first ring-shaped-claw-pole unit, to be joined to the second ring-shaped-claw-pole unit, and the second opening portion is formed in a second joint surface of the second ring-shaped-claw-pole unit, to be joined to the first ring-shaped-claw-pole unit.
    Type: Application
    Filed: November 23, 2015
    Publication date: May 26, 2016
    Applicant: Ricoh Company, Ltd.
    Inventors: Takashi HASHIMOTO, Takahisa KOIKE, Haruyuki SUZUKI, Eiki YOSHIMIZU, Norihiro YAMAMOTO
  • Patent number: 9325005
    Abstract: A lithium nickel composite oxide, having small inner resistance, large battery capacity and high thermal stability, can be used as a positive electrode active material for a non-aqueous electrolyte secondary battery. The positive electrode active material is composed of the lithium nickel composite oxide of LibNi1-aMaO2 (wherein M represents at least one element selected from a transition metal element other than Ni, the second group element and the thirteenth group element; a satisfies 0.01?a?0.5; and b satisfies 0.9?b?1.1). This is obtained by filtering and drying the fired powder after water washing, wherein it is dried at 90° C. or lower, till moisture is reduced to 1% or less by mass in drying, and then at 120° C., and under gas atmosphere where content of compound components containing carbon is 0.01% or less by volume, or under vacuum atmosphere.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: April 26, 2016
    Assignees: SUMITOMO METAL MINING CO., LTD., PANASONIC CORPORATION
    Inventors: Satoshi Matsumoto, Isao Abe, Yutaka Kawatate, Norihiro Yamamoto, Shinji Arimoto
  • Publication number: 20160105578
    Abstract: An authentication processing portion of an MFP requests user authentication to a server based on user information including at least a user ID input from a mobile terminal apparatus or an operation panel. The server has a user authentication portion which performs the user authentication and a UI instruction portion which specifies, when the user authentication succeeds, a UI image displayed on a display panel of the apparatus for operating the MFP depending on the user ID, and instructs the MFP to display the UI image on the apparatus. The MFP executes image output in accordance with a user operation received from the apparatus through the wireless communication portion in a state where the UI image is displayed on the apparatus.
    Type: Application
    Filed: December 17, 2015
    Publication date: April 14, 2016
    Inventor: Norihiro YAMAMOTO