Patents by Inventor Hidemasa Torii

Hidemasa Torii 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: 20210324875
    Abstract: A centrifugal pump includes a motor portion including a rotor rotatably disposed in a rotor chamber and includes a pump portion including an impeller rotatably disposed in a pump chamber. The impeller is coupled to the rotor. The centrifugal pump also includes a casing that separates the rotor chamber from the pump chamber, and a bearing that rotatably supports a rotor shaft of the rotor and to which grease is supplied is provided. Two communication holes extend through the casing and provide fluid communication between the rotor chamber and the pump chamber.
    Type: Application
    Filed: September 17, 2019
    Publication date: October 21, 2021
    Applicant: AISAN KOGYO KABUSHIKI KAISHA
    Inventors: Nobuhiro KATO, Takashige INAGAKI, Keiji NAKAYA, Hidemasa TORII
  • Publication number: 20210281140
    Abstract: A motor includes a stator and a rotor having a rotor shaft. The motor includes a bearing having an inner ring and an outer ring that are configured to rotate relative to each other. The inner ring is supported by the rotor shaft. The motor also includes a holder that supports the outer ring. The holder is clearance-fitted to a retainer on a stator side. A rotation prevention apparatus configured to prevent the rotation of the holder is positioned between the holder and a stopper member on the stator side.
    Type: Application
    Filed: July 19, 2019
    Publication date: September 9, 2021
    Applicant: AISAN KOGYO KABUSHIKI KAISHA
    Inventors: Nobuhiro KATO, Takashige INAGAKl, Hidemasa TORII, Keiji NAKAYA, Takuhito FUJIWARA
  • Publication number: 20210228901
    Abstract: A light source for myopia prevention article includes a light emitter to emit light having an emission spectrum continuing from a first wavelength of not less than 360 nm nor more than 400 nm to a second wavelength of more than 400 nm.
    Type: Application
    Filed: April 16, 2021
    Publication date: July 29, 2021
    Applicants: TOSHIBA MATERIALS CO., LTD., TSUBOTA LABORATORY, INC.
    Inventors: Masahiko YAMAKAWA, Hidemasa TORII, Toshihide KURIHARA, Kazuo TSUBOTA
  • Patent number: 11007375
    Abstract: A light source for myopia prevention article includes a light emitter to emit light having an emission spectrum continuing from a first wavelength of not less than 360 nm nor more than 400 nm to a second wavelength of more than 400 nm.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: May 18, 2021
    Assignees: Toshiba Materials Co., Ltd., Tsubota Laboratory, Inc.
    Inventors: Masahiko Yamakawa, Hidemasa Torii, Toshihide Kurihara, Kazuo Tsubota
  • Patent number: 10866433
    Abstract: An optical element has a transmission spectrum characterized in that a local maximum falls within a wavelength region longer than 315 nm but shorter than or equal to 400 nm, a local minimum falls within a wavelength region longer than or equal to 380 nm but shorter than or equal to 500 nm, and the wavelength at the local maximum is shorter than the wavelength at the local minimum.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: December 15, 2020
    Assignees: JINS HOLDINGS Inc., Tsubota Laboratory, Inc.
    Inventors: Shunsuke Shioya, Kazuo Tsubota, Toshihide Kurihara, Hidemasa Torii
  • Patent number: 10865134
    Abstract: A wavelength-selective transmissive glass has a light transmittance Tmore than 315 nm and 400 nm or less at a wavelength of more than 315 nm and 400 nm or less represented by the formula shown below of 1% or more in terms of a plate thickness of 6 mm and a light transmittance T315 nm or less at a wavelength of 315 nm or less represented by the formula shown below of 60% or less in terms of a plate thickness of 6 mm. Ak is a weighting factor at a wavelength k (nm) for calculating T (light transmittance) defined in ISO-9050:2003, and Tk is a transmittance at the wavelength k (nm) in terms of a plate thickness of 6 mm: Tmore than 315 nm and 400 nm or less=(?k=more than 315400Ak×Tk)/(?k=more than 315400Ak) T315 nm or less=(?k=300315Ak×Tk)/(?k=300315Ak).
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: December 15, 2020
    Assignees: AGC Inc., TSUBOTA LABORATORY, INC.
    Inventors: Kensuke Nagai, Tetsuya Nakashima, Yutaka Kuroiwa, Hiroyuki Hijiya, Masamichi Tanida, Akio Koike, Manabu Nishizawa, Kazuo Tsubota, Toshihide Kurihara, Hidemasa Torii
  • Patent number: 10823982
    Abstract: The purpose of the present invention is to provide a myopia treatment device. A myopia treatment device of the present invention comprises a light transmission part selected from a group consisting of an eyesight correcting tool, an eye protection tool, a face protection tool, a sunshade, a display device, a window, a wall, a light source covering, and a coating material. The light transmission part of the device transmits violet light having a wavelength within a range of 360 nm to 400 nm inclusive and thus treats myopia. Or, the myopia treatment device comprises a light emission part selected from a group consisting of lighting equipment, a display device, and a light irradiation device. The light emission part of the device emits violet light having a wavelength within a range of 360 nm to 400 nm inclusive and thus treats myopia.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: November 3, 2020
    Assignee: TSUBOTA LABORATORY, INC.
    Inventors: Kazuo Tsubota, Kazuno Negishi, Hidemasa Torii, Toshihide Kurihara
  • Publication number: 20200300250
    Abstract: A centrifugal pump includes a pump and a motor. The pump includes an impeller configured to forcibly transfer a fluid and defines a pump chamber housing the impeller therein. The motor includes a hollow rotational shaft configured to rotate the impeller, and a casing defining a motor chamber that houses the rotational shaft therein. The rotational shaft forms a discharge passage therein and has a first end engaged with the impeller and a second end where a first end of the discharge passage opens. The first end of the discharge passage is in fluid communication with a low pressure area in the pump chamber via a second end of the discharge passage and is in fluid communication with a high pressure area in the pump chamber via an introduction passage formed in the casing.
    Type: Application
    Filed: November 19, 2018
    Publication date: September 24, 2020
    Applicant: AISAN KOGYO KABUSHIKI KAISHA
    Inventors: Hidemasa TORII, Keiji NAKAYA
  • Publication number: 20190129204
    Abstract: The purpose of the present invention is to provide a myopia treatment device. A myopia treatment device of the present invention comprises a light transmission part selected from a group consisting of an eyesight correcting tool, an eye protection tool, a face protection tool, a sunshade, a display device, a window, a wall, a light source covering, and a coating material. The light transmission part of the device transmits violet light having a wavelength within a range of 360 nm to 400 nm inclusive and thus treats myopia. Or, the myopia treatment device comprises a light emission part selected from a group consisting of lighting equipment, a display device, and a light irradiation device. The light emission part of the device emits violet light having a wavelength within a range of 360 nm to 400 nm inclusive and thus treats myopia.
    Type: Application
    Filed: October 9, 2018
    Publication date: May 2, 2019
    Applicant: TSUBOTA LABORATORY, INC.
    Inventors: Kazuo Tsubota, Kazuno Negishi, Hidemasa Torii, Toshihide Kurihara
  • Publication number: 20180351050
    Abstract: A light source for myopia prevention article includes a light emitter to emit light having an emission spectrum continuing from a first wavelength of not less than 360 nm nor more than 400 nm to a second wavelength of more than 400 nm.
    Type: Application
    Filed: July 25, 2018
    Publication date: December 6, 2018
    Applicants: TOSHIBA MATERIALS CO., LTD., TSUBOTA LABORATORY, INC.
    Inventors: Masahiko Yamakawa, Hidemasa Torii, Toshihide Kurihara, Kazuo Tsubota
  • Patent number: 10133092
    Abstract: The purpose of the present invention is to provide a myopia prevention device. A myopia prevention device of the present invention comprises a light transmission part selected from a group consisting of an eyesight correcting tool, an eye protection tool, a face protection tool, a sunshade, a display device, a window, a wall, a light source covering, and a coating material. The light transmission part of the device transmits light having a wavelength within a range of 350 nm to 400 nm inclusive and thus suppresses the occurrence and progression of myopia. Further, a myopia prevention device comprises a light emission part selected from a group consisting of lighting equipment, a display device, and a light irradiation device. The light emission part of the device emits light having a wavelength within a range of 350 nm to 400 nm inclusive and thus suppresses the occurrence and progression of myopia.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: November 20, 2018
    Assignee: TSUBOTA LABORATORY, INC.
    Inventors: Kazuo Tsubota, Kazuno Negishi, Hidemasa Torii, Toshihide Kurihara
  • Publication number: 20180297888
    Abstract: A wavelength-selective transmissive glass has a light transmittance Tmore than 315 nm and 400 nm or less at a wavelength of more than 315 nm and 400 nm or less represented by the formula shown below of 1% or more in terms of a plate thickness of 6 mm and a light transmittance T315 nm or less at a wavelength of 315 nm or less represented by the formula shown below of 60% or less in terms of a plate thickness of 6 mm. Ak is a weighting factor at a wavelength k (nm) for calculating T (light transmittance) defined in ISO-9050:2003, and Tk is a transmittance at the wavelength k (nm) in terms of a plate thickness of 6 mm: Tmore than 315 nm and 400 nm or less=(?k=more than 315400 Ak×Tk)/(?k=more than 315400 Ak) T315 nm or less=(?k=300315 Ak×Tk)/(?k=300315 Ak).
    Type: Application
    Filed: June 1, 2018
    Publication date: October 18, 2018
    Applicants: ASAHI GLASS COMPANY, LIMITED, TSUBOTA LABORATORY, INC.
    Inventors: Kensuke NAGAI, Tetsuya NAKASHIMA, Yutaka KUROIWA, Hiroyuki HIJIYA, Masamichi TANIDA, AKIO KOIKE, Manabu NISHIZAWA, Kazuo TSUBOTA, Toshihide KURIHARA, Hidemasa TORII
  • Publication number: 20180280718
    Abstract: To provide an irradiation device capable of preventing myopia or slowing the progression of myopia by the action of light irradiated toward the eyeball. An irradiation device (10) comprises a light source (1) and an instrument (2) on which the light source (1) is mounted. The light source (1) emits at least light having a wavelength within a range of 350 to 400 nm, inclusive, and is disposed in a position that allows irradiation in an eyeball direction when the instrument (2) is mounted. Further, the light source (1) is disposed in a position 0 to 100 mm, inclusive, from a surface of the eyeball. At this time, an irradiance of the light having a wavelength within the range of 350 to 400 nm, inclusive, is 0.02 to 1.0 W/m2, inclusive, on the eyeball surface when the instrument (2) is worn.
    Type: Application
    Filed: June 4, 2018
    Publication date: October 4, 2018
    Applicant: TSUBOTA LABORATORY, INC.
    Inventors: Kazuo TSUBOTA, Kazuno Negishi, Hidemasa Torii, Toshihide Kurihara
  • Publication number: 20180273424
    Abstract: A wavelength-selective transmissive glass article has light transmittance Tmore than 315 nm and 400 nm or less at a wavelength of more than 315 nm and 400 nm or less of 1% or more. In addition, the wavelength-selective transmissive glass article has light transmittance T315 nm or less at a wavelength of 315 nm or less of 60% or less.
    Type: Application
    Filed: May 30, 2018
    Publication date: September 27, 2018
    Applicants: ASAHI GLASS COMPANY, LIMITED, TSUBOTA LABORATORY, INC.
    Inventors: Hideyuki Hirakoso, Takahiro Mashimo, Kensuke Nagai, Kazuo Tsubota, Toshihide Kurihara, Hidemasa Torii
  • Patent number: 10041501
    Abstract: A vortex pump may include a motor portion and a pump portion. The pump portion includes an impeller that rotates integrally with an output shaft of a motor. The motor portion and the pump portion are separated by a separation wall. A vane-groove region including vane grooves is provided on a surface of the impeller facing the separation wall. The separation wall includes a facing groove facing the vane-groove region and extending along a rotation direction of the impeller. A communication hole that communicates the motor portion and the pump portion is provided on the facing groove. The communication hole extends in a direction along swirling flow formed by the vane grooves and the facing groove when the vortex pump is operating.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: August 7, 2018
    Assignee: AISAN KOGYO KABUSHIKI KAISHA
    Inventors: Hidemasa Torii, Atsushi Sugimoto, Shinya Suzuki
  • Patent number: 10030661
    Abstract: A rotor of an electric pump may include a body having an inner circumferential surface encircling a shaft; and a magnet located in a motor chamber of a storage space of the pump, and arranged so as to be (i) separated from an outer circumferential surface of the body with an interval in between and (ii) separated from a stator of the pump with an interval in between. The interval between the magnet and the body may communicate the motor chamber and a pump chamber of the storage space. The body may include a groove extending from an end of the inner circumferential surface of the body to the pump chamber. The rotor may further comprise a wall disposed in the interval between the magnet and the outer circumferential surface of the body and at a position being different from the groove in a rotation direction of the rotor.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: July 24, 2018
    Assignee: Aisan Kogyo Kabushiki Kaisha
    Inventor: Hidemasa Torii
  • Publication number: 20170298949
    Abstract: A vortex pump may include a motor portion and a pump portion. The pump portion includes an impeller that rotates integrally with an output shaft of a motor. The motor portion and the pump portion are separated by a separation wall. A vane-groove region including vane grooves is provided on a surface of the impeller facing the separation wall. The separation wall includes a facing groove facing the vane-groove region and extending along a rotation direction of the impeller. A communication hole that communicates the motor portion and the pump portion is provided on the facing groove. The communication hole extends in a direction along swirling flow formed by the vane grooves and the facing groove when the vortex pump is operating.
    Type: Application
    Filed: April 7, 2017
    Publication date: October 19, 2017
    Inventors: Hidemasa Torii, Atsushi Sugimoto, Shinya Suzuki
  • Publication number: 20170168320
    Abstract: The purpose of the present invention is to provide a myopia prevention device. A myopia prevention device of the present invention comprises a light transmission part selected from a group consisting of an eyesight correcting tool, an eye protection tool, a face protection tool, a sunshade, a display device, a window, a wall, a light source covering, and a coating material. The light transmission part of the device transmits light having a wavelength within a range of 350 nm to 400 nm inclusive and thus suppresses the occurrence and progression of myopia. Further, a myopia prevention device comprises a light emission part selected from a group consisting of lighting equipment, a display device, and a light irradiation device. The light emission part of the device emits light having a wavelength within a range of 350 nm to 400 nm inclusive and thus suppresses the occurrence and progression of myopia.
    Type: Application
    Filed: December 1, 2016
    Publication date: June 15, 2017
    Inventors: Kazuo TSUBOTA, Kazuno NEGISHI, Hidemasa TORII, Toshihide KURIHARA
  • Publication number: 20160047382
    Abstract: A rotor of an electric pump may include a body having an inner circumferential surface encircling a shaft; and a magnet located in a motor chamber of a storage space of the pump, and arranged so as to be (i) separated from an outer circumferential surface of the body with an interval in between and (ii) separated from a stator of the pump with an interval in between. The interval between the magnet and the body may communicate the motor chamber and a pump chamber of the storage space. The body may include a groove extending from an end of the inner circumferential surface of the body to the pump chamber. The rotor may further comprise a wall disposed in the interval between the magnet and the outer circumferential surface of the body and at a position being different from the groove in a rotation direction of the rotor.
    Type: Application
    Filed: August 17, 2015
    Publication date: February 18, 2016
    Inventor: Hidemasa TORII
  • Publication number: 20130315760
    Abstract: An electric pump may comprise a rotating body comprising a rotor and an impeller disposed juxtaposed to the rotor in a rotary shaft direction of the rotor, a stator disposed on an outer circumferential side of the rotor, a easing comprising a fluid passage formed along an outer circumference of the impeller, and configured to store the rotating body and the stator and a loading unit configured to constantly apply force on the rotating body during when the electric pump is operating, wherein the force being for reducing displacement of the rotating body caused by a pressure difference in the fluid passage generated when the electric pump is operating between a low pressure side where a pressure of fluid is low and a high pressure side where the pressure of the fluid is high within the fluid passage.
    Type: Application
    Filed: May 14, 2013
    Publication date: November 28, 2013
    Applicant: AISAN KOGYO KABUSHIKI KAISHA
    Inventor: Hidemasa Torii