Patents by Inventor Masaya Ota

Masaya Ota 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: 20240103415
    Abstract: An image forming apparatus has an image forming unit to form a toner image on a first sheet and a fixing unit configured to heat the first sheet to fix the image to the first sheet. A control unit begins a cooling process for cooling the fixing unit when an overheating condition is met, then permits the image forming unit to form a toner image on a second sheet after the cooling process ends according to a first cooling condition if a person is detected near the image forming apparatus or after the cooling process ends according to a second cooling condition if a person not detected near the image forming apparatus. The cooling process under the first cooling condition ends in less time than under the second cooling condition.
    Type: Application
    Filed: December 6, 2023
    Publication date: March 28, 2024
    Inventors: Masaya TANAKA, Hiroshi OTA
  • Patent number: 11679282
    Abstract: A treatment system can include a treatment instrument with an operation input element that has a magnet; and a sensor that detects a parameter that changes with a movement of the magnet together with the operation input element based on an operation of the operation input element. The treatment system can also include a control apparatus that can control the supply of electrical energy to the treatment instrument for operation of the treatment instrument. The control apparatus includes a processor that can determine a relationship between a change in a distance between the sensor and the magnet and a change in the parameter, and to set, based on the relationship, a threshold for switching between an ON state and an OFF state of the supply of the electrical energy to the treatment instrument.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: June 20, 2023
    Assignee: OLYMPUS CORPORATION
    Inventors: Tatsuya Suzuki, Hideo Sanai, Masaya Ota
  • Publication number: 20220411620
    Abstract: Polymer fine particles having a number average particle diameter of 50 to 450 nm and a CV value of particle diameter on a number basis of 5% or less, or polymer fine particles having a structural color development property when arranged. An acid value of the polymer fine particles is 5 to 38 mg KOH/g. An emulsion in which the polymer fine particles are dispersed in a medium mainly containing water. In addition, a structure in which the polymer fine particles are arranged and develop color.
    Type: Application
    Filed: September 6, 2022
    Publication date: December 29, 2022
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Shota NAKAHARA, Masaya OTA, Kousuke MINETAKI, Kenta YAMAMOTO
  • Patent number: 11194261
    Abstract: The present invention relates to an electrostatic charge image developing toner having a ratio of TP2/TP1 of 1.47 to 2.35, wherein a first measurement value of a tan ? maximal value measured in 40° C. to 80° C. by a rheometer is set as the TP1, and a second measurement value of a tan ? maximal value measured in 40° C. to 80° C. by the rheometer is set as the TP2.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: December 7, 2021
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Masaya Ota, Tomoko Nakagawa, Yuki Narukawa, Masaaki Okamoto
  • Publication number: 20210037864
    Abstract: Nobel Stevia Sweetening components are provided. Through the analysis of the components of the nobel Steviol Glycoside included in the stevia extract and/or crystals, not only the quality control of sweeteners, but judgment on the correctness of indication of origin or infringement of right are facilitated since the raw material of the sweetener can be identified.
    Type: Application
    Filed: October 28, 2020
    Publication date: February 11, 2021
    Inventors: Toyoshige Morita, Isao Fujita, Fumito Matsuura, Masaya Ota
  • Publication number: 20200405289
    Abstract: A needle holder for holding a curved needle to which a suture thread is connected. The needle holder includes a flexible tube; and a grasper provided at a distal end of the flexible tube. The grasper includes a first jaw having a groove, and a protrusion at a distal end portion of the first jaw; and a second jaw movably connected to the first jaw. The grasper can hold the curved needle between the second jaw and the protrusion of the first jaw, and can hold a part of the suture thread between a surface of the groove and the second jaw such that another part of the suture thread passes through a gap formed between another surface of the groove and the second jaw. The protrusion has a hook surface for hooking the suture thread extending outside the groove.
    Type: Application
    Filed: September 16, 2020
    Publication date: December 31, 2020
    Applicant: OLYMPUS CORPORATION
    Inventors: Masatoshi SATO, Hiroyuki MORISHITA, Keisei SHIMODA, Takayuki HATANAKA, Masaya OTA, Kei MATSUOKA
  • Patent number: 10849346
    Abstract: Nobel Stevia Sweetening components are provided. Through the analysis of the components of the nobel Steviol Glycoside included in the stevia extract and/or crystals, not only the quality control of sweeteners, but judgment on the correctness of indication of origin or infringement of right are facilitated since the raw material of the sweetener can be identified.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: December 1, 2020
    Assignee: MORITA KAGAKU KOGYO CO., LTD.
    Inventors: Toyoshige Morita, Isao Fujita, Fumito Matsuura, Masaya Ota
  • Patent number: 10725392
    Abstract: The present invention relates to an electrostatic charge image developing toner, wherein when a tan ? measurement is performed twice by a rheometer, in the first measurement, a tan ? value measured at 130° C. is set as TP1 (130° C.), and a tan ? value measured at 140° C. is set as TP1 (140° C.), in the second measurement, a tan ? value measured at 140° C. is set as TP2 (140° C.), TP2 (140° C.)/TP1(140° C.) is equal to or smaller than 0.95, and TP1 (130° C.) is equal to or greater than 2.5.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: July 28, 2020
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Kumiko Kameya, Tomoko Nakagawa, Yuki Narukawa, Masaya Ota, Tetsuharu Yuge
  • Publication number: 20200117108
    Abstract: The present invention relates to an electrostatic charge image developing toner having a ratio of TP2/TP1 of 1.47 to 2.35, wherein a first measurement value of a tan ? maximal value measured in 40° C. to 80° C. by a rheometer is set as the TP1, and a second measurement value of a tan ? maximal value measured in 40° C. to 80° C. by the rheometer is set as the TP2.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 16, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Masaya OTA, Tomoko NAKAGAWA, Yuki NARUKAWA, Masaaki OKAMOTO
  • Publication number: 20200038693
    Abstract: A treatment system can include a treatment instrument with an operation input element that has a magnet; and a sensor that detects a parameter that changes with a movement of the magnet together with the operation input element based on an operation of the operation input element. The treatment system can also include a control apparatus that can control the supply of electrical energy to the treatment instrument for operation of the treatment instrument. The control apparatus includes a processor that can determine a relationship between a change in a distance between the sensor and the magnet and a change in the parameter, and to set, based on the relationship, a threshold for switching between an ON state and an OFF state of the supply of the electrical energy to the treatment instrument.
    Type: Application
    Filed: October 10, 2019
    Publication date: February 6, 2020
    Applicant: OLYMPUS CORPORATION
    Inventors: Tatsuya SUZUKI, Hideo SANAI, Masaya OTA
  • Patent number: 10551755
    Abstract: The present invention relates to an electrostatic charge image developing toner having a ratio of TP2/TP1 of 1.47 to 2.35, wherein a first measurement value of a tan ? maximal value measured in 40° C. to 80° C. by a rheometer is set as the TP1, and a second measurement value of a tan ? maximal value measured in 40° C. to 80° C. by the rheometer is set as the TP2.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: February 4, 2020
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Masaya Ota, Tomoko Nakagawa, Yuki Narukawa, Masaaki Okamoto
  • Publication number: 20190357581
    Abstract: Nobel Stevia Sweetening components are provided. Through the analysis of the components of the nobel Steviol Glycoside included in the stevia extract and/or crystals, not only the quality control of sweeteners, but judgment on the correctness of indication of origin or infringement of right are facilitated since the raw material of the sweetener can be identified.
    Type: Application
    Filed: August 12, 2019
    Publication date: November 28, 2019
    Inventors: Toyoshige Morita, Isao Fujita, Fumito Matsuura, Masaya Ota
  • Publication number: 20190339630
    Abstract: The present invention relates to an electrostatic charge image developing toner, wherein when a tan ? measurement is performed twice by a rheometer, in the first measurement, a tan ? value measured at 130° C. is set as TP1 (130° C.), and a tan ? value measured at 140° C. is set as TP1 (140° C.), in the second measurement, a tan ? value measured at 140° C. is set as TP2 (140° C.), TP2 (140° C.)/TP1(140° C.) is equal to or smaller than 0.95, and TP1 (130° C.) is equal to or greater than 2.5.
    Type: Application
    Filed: July 19, 2019
    Publication date: November 7, 2019
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Kumiko KAMEYA, Tomoko Nakagawa, Yuki Narukawa, Masaya Ota, Tetsuharu Yuge
  • Patent number: 10420360
    Abstract: Nobel Stevia Sweetening components are provided. Through the analysis of the components of the nobel Steviol Glycoside included in the Stevia extract and/or crystals, not only the quality control of sweeteners, but judgment on the correctness of indication of origin or infringement of right are facilitated since the raw material of the sweetener can be identified.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: September 24, 2019
    Assignee: MORITA KAGAKU KOGYO CO., LTD.
    Inventors: Toyoshige Morita, Isao Fujita, Fumito Matsuura, Masaya Ota
  • Patent number: 10110100
    Abstract: An object of the present invention is to provide an electric motor which can prevent electric noise generated from a contact between a brush and a commutator from being radiated and diffused to the outside. An electric motor comprises: an armature shaft 28; a coil 29b attached to the armature shaft 28; a commutator 30 attached to the armature shaft 28, and electrically connected to the coil 29b; a brush through which an electric current is supplied to the commutator 30; a conductive shaft bearing 35 configured to rotatably support the armature shaft 28; a yoke 26 incorporated with the shaft bearing 35, and electrically connected to a ground conductor; a conductive shaft bearing 34 arranged in a direction along a center line of the armature shaft 28, different in position from the shaft bearing 35, and configured to rotatably support the armature shaft 28; and a contact plate 51 electrically connected to the shaft bearing 34, and electrically connected to the ground conductor.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: October 23, 2018
    Assignee: Mitsuba Corporation
    Inventors: Yuichi Takamura, Masaya Ota, Toyohisa Harada, Susumu Okochi, Werner Lissner, Bernhard Meier
  • Publication number: 20180299800
    Abstract: The present invention relates to an electrostatic charge image developing toner having a ratio of TP2/TP1 of 1.47 to 2.35, wherein a first measurement value of a tan ? maximal value measured in 40° C. to 80° C. by a rheometer is set as the TP1, and a second measurement value of a tan ? maximal value measured in 40° C. to 80° C. by the rheometer is set as the TP2.
    Type: Application
    Filed: June 26, 2018
    Publication date: October 18, 2018
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Masaya OTA, Tomoko NAKAGAWA, Yuki NARUKAWA, Masaaki OKAMOTO
  • Patent number: 9977357
    Abstract: The object of the present invention is to provide a toner for development of electrostatic images (hereinafter referred to as toner) which, while preventing dust during fixation, secures improved hot offset resistance and is excellent in providing good image quality. The invention relates to the toner that comprises a binder resin, a colorant and a wax, wherein the wax has, while in a state of being contained in the toner, a melting point of from 55° C. to 90° C., and the value Dt of the toner satisfies a specific formula.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: May 22, 2018
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Masaya Ota, Shiho Sano
  • Publication number: 20180077959
    Abstract: Nobel Stevia Sweetening components are provided. Through the analysis of the components of the nobel Steviol Glycoside included in the stevia extract and/or crystals, not only the quality control of sweeteners, but judgment on the correctness of indication of origin or infringement of right are facilitated since the raw material of the sweetener can be identified.
    Type: Application
    Filed: November 30, 2017
    Publication date: March 22, 2018
    Inventors: Toyoshige Morita, Isao Fujita, Fumito Matsuura, Masaya Ota
  • Patent number: 9915887
    Abstract: The object of the present invention is to provide a toner for development of electrostatic images (hereinafter referred to as toner) which, while preventing dust during fixation, secures improved hot offset resistance and is excellent in providing good image quality. The invention relates to the toner that comprises a binder resin, a colorant and a wax, wherein the wax has, while in a state of being contained in the toner, a melting point of from 55° C. to 90° C., and the value Dt of the toner satisfies a specific formula.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: March 13, 2018
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Masaya Ota, Shiho Sano
  • Patent number: 9904189
    Abstract: The present invention provides an electrostatic image developing toner containing a binder resin, a colorant and a wax, wherein at least one specific peak or shoulder attributable to a melting point of the wax is present at 55 to 90° C., a dust emission (Dt) of said electrostatic image developing toner satisfies the specific formula, another specific peak or shoulder relating to an endothermic quantity is present at 65.6 to 70.8° C., and an average value of tan ? in a range of an angular velocity of 20 to 100 rad/sec in a dynamic viscoelasticity measurement at 140° C. is from 1.62 to 2.20.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: February 27, 2018
    Assignee: MITSUBISHI CHEMCICAL CORPORATION
    Inventor: Masaya Ota