Patents by Inventor Hiroshi Hasegawa

Hiroshi Hasegawa 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).

  • Patent number: 10570775
    Abstract: A turbo machine of the present disclosure includes a cylindrical bearing housing, a rotation shaft, a bearing, a bearing holder, and an end elastic body. The rotation shaft is located in the bearing housing. The bearing rotatably supports the rotation shaft at least in a radial direction of the rotation shaft. The bearing holder faces one end of the bearing and is fixed to the bearing housing. The end elastic body is disposed between the one end of the bearing and the bearing holder in the axial direction of the bearing and is in contact with the bearing and the bearing holder. The end elastic body is formed of a material having a lower modulus of elasticity than a material forming the bearing holder.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: February 25, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kazuyuki Kouda, Hidetoshi Taguchi, Akira Hiwata, Takeshi Ogata, Tadayoshi Shoyama, Hiroshi Hasegawa
  • Patent number: 10561901
    Abstract: Provided is a method of evaluating stability of a golf swing. The method comprises calculating a force indicator that represents a force that acts on a body of a golfer during the golf swing and evaluating stability of the golf swing according to a magnitude of the force indicator. In the calculating, the force indicator may be calculated during the golf swing made with a specific golf club, and in the evaluating, the stability of the golf swing may be evaluated as a characteristic of the specific golf club, in accordance with the magnitude of the force indicator.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: February 18, 2020
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Wataru Kimizuka, Masahide Onuki, Hiroshi Hasegawa
  • Publication number: 20200032362
    Abstract: A warm-workable high-strength steel sheet having superior warm workability and residual ductility after warm working, and a method for manufacturing such steel sheets. The warm-workable high-strength steel sheet has a chemical composition including, in mass %, C: 0.05 to 0.20%, Si: not more than 3.0%, Mn: 3.5 to 8.0%, P: not more than 0.100%, S: not more than 0.02%, Al: 0.01 to 3.0% and N: not more than 0.010%, the balance being Fe and inevitable impurities. The steel sheet has a microstructure that includes, in area fractions, 10 to 60% retained austenite, 10 to 80% ferrite, 5 to 50% martensite and 0 to 5% bainite, the C content in the retained austenite being less than 0.40 mass %.
    Type: Application
    Filed: January 26, 2017
    Publication date: January 30, 2020
    Applicant: JFE STEEL CORPORATION
    Inventors: Hiroshi HASEGAWA, Yoshimasa FUNAKAWA
  • Patent number: 10544477
    Abstract: A method for manufacturing a high-strength galvanized steel sheet includes performing hot rolling, cold rolling, first annealing, pickling, and second annealing. The first annealing is performed to obtain a steel sheet having a steel microstructure including ferrite in an amount of 10% or more and 60% or less in terms of area ratio, and martensite, bainite, and retained austenite in a total amount of 40% or more and 90% or less in terms of area ratio. The second annealing includes heating to an annealing temperature of 750° C. or higher and 850° C. or lower, holding at the annealing temperature for 10 seconds or more and 500 seconds or less, cooling at an average cooling rate of 1° C./s or more and 15° C./s or less, performing a galvanizing treatment, and cooling to a temperature of 150° C. or lower at an average cooling rate of 5° C./s or more and 100° C./s or less.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: January 28, 2020
    Assignee: JFE Steel Corporation
    Inventors: Hideyuki Kimura, Koichiro Fujita, Hiroshi Hasegawa, Mai Aoyama
  • Patent number: 10537769
    Abstract: A hollow golf club head comprises a face part having a face for striking a ball, and a main body extending rearward from the face part. The main body is provided with a low-rigidity zone which comprises through holes and connecting portions arranged alternately along a peripheral edge of the face. The through holes penetrate the main body from the outside to the inside of the main body. The connecting portions extend in the front-back direction of the head, and include an oblique connecting portion comprising an oblique part inclined with respect to the front-back direction.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: January 21, 2020
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Masahide Onuki, Hiroshi Hasegawa, Hiromasa Tsunashima
  • Patent number: 10526676
    Abstract: Provided are a high-strength steel sheet, which is suitable as a material of automotive parts, and a method for producing the high-strength steel sheet. In the high-strength steel sheet, the C content is 0.15% or less, the area ratio of ferrite is 8% to 45%, the area ratio of martensite is 55% to 85%, the proportion of martensite grains adjacent to only ferrite grains in the entire microstructure is 15% or less, the average crystal grain sizes of ferrite and martensite are each 10 ?m or less, and the area ratio of ferrite grains having a size of 10 ?m or more to all the ferrite grains included in a portion of the steel sheet which extends from 20 to 100 ?m below the surface thereof is less than 5%.
    Type: Grant
    Filed: November 27, 2014
    Date of Patent: January 7, 2020
    Assignee: JFE STEEL CORPORATION
    Inventors: Hiroshi Hasegawa, Shinjiro Kaneko, Yoichi Makimizu, Yoshitsugu Suzuki
  • Patent number: 10515593
    Abstract: A semiconductor integrated circuit and corresponding display panel and electronic apparatus. A pixel element includes a self-luminous element and a drive transistor connected to a power supply line. In an emission period of the self-luminous element, an active voltage and an intermediate voltage are sequentially applied between the power supply line and a potential line with a pulse-shaped waveform such that a predetermined luminance duration is obtained in the emission period. In a non-emission period of the self-luminous element, an off-state voltage is applied between the power supply line and the potential line so as to maintain the self-luminous element in a non-emission state.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: December 24, 2019
    Assignee: Sony Corporation
    Inventors: Hiroshi Hasegawa, Teppei Isobe
  • Publication number: 20190379874
    Abstract: A liquid crystal display device which is an image display device for displaying a stereoscopic image includes two correction tables (a nighttime correction table and a daytime correction table) storing correction values corresponding to combinations of a gradation value of a processing target pixel and a gradation value of an adjacent pixel, a correction table selection unit configured to select one of the two correction tables depending on conditions, and gradation value correction units (a right-image gradation value correction unit and a left-image gradation value correction unit) configured to correct the gradation value of the processing target pixel based on the correction table selected by the correction table selection unit.
    Type: Application
    Filed: June 6, 2019
    Publication date: December 12, 2019
    Inventor: HIROSHI HASEGAWA
  • Patent number: 10494689
    Abstract: A high-strength galvanized steel sheet having a chemical composition containing, by mass %, C: 0.07% to 0.25%, Si: 0.01% to 3.00%, Mn: 1.5% to 4.0%, P: 0.100% or less, S: 0.02% or less, Al: 0.01% to 1.50%, N: 0.001% to 0.008%, Ti: 0.003% to 0.200%, B: 0.0003% to 0.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: December 3, 2019
    Assignee: JFE STEEL CORPORATION
    Inventors: Hiroshi Hasegawa, Yoshimasa Funakawa
  • Publication number: 20190347995
    Abstract: A semiconductor integrated circuit and corresponding display panel and electronic apparatus. A pixel element includes a self-luminous element and a drive transistor connected to a power supply line. In an emission period of the self-luminous element, an active voltage and an intermediate voltage are sequentially applied between the power supply line and a potential line with a pulse-shaped waveform such that a predetermined luminance duration is obtained in the emission period. In a non-emission period of the self-luminous element, an off-state voltage is applied between the power supply line and the potential line so as to maintain the self-luminous element in a non-emission state.
    Type: Application
    Filed: July 3, 2019
    Publication date: November 14, 2019
    Inventors: Hiroshi Hasegawa, Teppei Isobe
  • Patent number: 10450642
    Abstract: A high-strength galvanized steel sheet that includes a chemical composition containing, by mass %, C: 0.15% or more and 0.25% or less, Si: 0.50% or more and 2.5% or less, Mn: 2.3% or more and 4.0% or less, P: 0.100% or less, S: 0.02% or less, Al: 0.01% or more and 2.5% or less, and Fe and inevitable impurities. The steel sheet having a microstructure containing, by an area percentage basis, a tempered martensite phase: 30% or more and 73% or less, a ferrite phase: 25% or more and 68% or less, a retained austenite phase: 2% or more and 20% or less, and other phases: 10% or less (including 0%), the other phases containing a martensite phase: 3% or less (including 0%) and a bainitic ferrite phase: less than 5% (including 0%).
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: October 22, 2019
    Assignee: JFE STEEL CORPORATION
    Inventors: Hiroshi Hasegawa, Hideyuki Kimura, Yoshimasa Funakawa, Yoichi Makimizu, Yoshitsugu Suzuki
  • Patent number: 10448128
    Abstract: A wavelength routing SW is a large-scale optical switch device of a conventional technique, and it requires as many wavelength-tunable light sources as the number of input ports. For the wavelength-tunable light sources to achieve a stable oscillating operation across a wide wavelength range, a complicated control mechanism is necessary. This has been an obstacle in providing a large-scale optical switch device in terms of cost and circuit scale. A wavelength routing SW in the present disclosure includes N wavelength group generators, a splitting-selection unit, and MN tunable filters. Each wavelength group generator includes M fixed-wavelength light sources. Inexpensive general-purpose devices that require no control mechanism for wavelength tuning can be used as the fixed-wavelength light source. The channel loss in the optical switch device can also be reduced by using light sources with a limited narrow range of tunable wavelengths and the wavelength-dependent output port selecting function of an AWG.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: October 15, 2019
    Assignee: National University Corporation Nagoya University
    Inventors: Ken-ichi Sato, Hiroshi Hasegawa, Yojiro Mori, Koh Ueda
  • Publication number: 20190293136
    Abstract: A vehicle drum brake including: a pair of brake shoes arranged to be expanded on a backing plate; a first parking lever disposed to rotate around a predetermined mounting shaft positioned at one end portion of one of the brake shoes; a second parking lever made up of a member different from the first parking lever, disposed to rotate around the mounting shaft, and coupled to and rotated together with the first parking lever; and a strut including a first strut member engaged with the first and second parking levers, the first and second parking levers are coupled to each other by a coupling pin so as to be engaged with the first strut member at the same time.
    Type: Application
    Filed: May 23, 2017
    Publication date: September 26, 2019
    Applicants: HOSEI BRAKE INDUSTRY CO., LTD., ADVICS CO., LTD.
    Inventors: Satoru SHINTANI, Koji MORI, Kenichi MYOJO, Hiroshi HASEGAWA, Yoshitaka ISHIMARU, Keiichi TSURUMI
  • Patent number: 10422015
    Abstract: Provided are a high-strength galvanized steel sheet containing 0.12% to 0.25% C, 0.01% to 1.00% Si, 1.5% to 4.0% Mn, 0.100% or less P, 0.02% or less S, 0.01% to 0.10% Al, 0.001% to 0.010% N, 0.005% to 0.100% Ti, and 0.0005% to 0.0050% B, the remainder being Fe and inevitable impurities, Ti>4N being satisfied. The high-strength galvanized steel sheet contains 80% to 100% martensite in terms of area fraction, 5% or less (including 0%) polygonal ferrite in terms of area fraction, and less than 3% (including 0%) retained austenite in terms of area fraction. The average hardness of martensite is 400 to 500 in terms of Vickers hardness (Hv). The average grain size of martensite is 20 ?m or less. The standard deviation of the grain size of martensite is 7.0 ?m or less.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: September 24, 2019
    Assignee: JFE Steel Corporation
    Inventors: Hiroshi Hasegawa, Koichiro Fujita
  • Patent number: 10408232
    Abstract: A turbo machine according to present disclosure includes a rotating shaft, a first impeller, a first fluid bearing, a first holding member, a first lubricating liquid casing, a first supplying passage, and a first squeeze film damper. The first fluid bearing rotatably supports the first taper portion and the first cylindrical portion. The first fluid bearing is attached to the first holding member. The first lubricating liquid casing forms a first storing space. The first supplying passage is a passage through which a lubricating liquid is supplied to the first storing space. The first squeeze film damper is a space located between the first fluid bearing and the first holding member. The first squeeze film damper communicates with the first supplying passage.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: September 10, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takeshi Ogata, Tadayoshi Shoyama, Akira Hiwata, Hidetoshi Taguchi, Kazuyuki Kouda, Hiroshi Hasegawa
  • Patent number: 10400300
    Abstract: A high-strength hot-dip galvanized steel sheet and a method for manufacturing the steel sheet are provided. The high-strength hot-dip galvanized steel sheet has a specific composition including C, Si, Mn, etc. In this chemical composition, the content of Ti [Ti] and the content of N [N] satisfy [Ti]>4[N]. The high-strength hot-dip galvanized steel sheet has a microstructure including martensite at an area fraction of 60% or more and 90% or less, polygonal ferrite at an area fraction of more than 5% and 40% or less, and retained austenite at an area fraction of less than 3% (including 0%). The average hardness of the martensite is 450 or more and 600 or less in terms of Vickers hardness, and the average crystal grain diameter of the martensite is 10 ?m or less. The standard deviation of the crystal grain diameters of the martensite is 4.0 ?m or less.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: September 3, 2019
    Assignee: JFE STEEL CORPORATION
    Inventors: Hiroshi Hasegawa, Koichiro Fujita
  • Publication number: 20190262669
    Abstract: A hollow golf club head 1 comprises a face portion 2 which includes a club face 2a for striking a ball, and a main body 3 extending rearward of the head from the face portion 2. The face Portion 2 is made of a low-specific-gravity material having a specific gravity of 4.0 or less. The main body 3 is provided in its face portion 2 side with a low stiffness zone 10 where the stiffness is locally reduced.
    Type: Application
    Filed: February 27, 2019
    Publication date: August 29, 2019
    Applicant: Sumitomo Rubber Industries, Ltd.
    Inventors: Masahide ONUKI, Hiroshi HASEGAWA, Hiromasa TSUNASHIMA
  • Patent number: 10380948
    Abstract: A semiconductor integrated circuit and corresponding display panel and electronic apparatus. A pixel element includes a self-luminous element and a drive transistor connected to a power supply line. In an emission period of the self-luminous element, an active voltage and an intermediate voltage are sequentially applied between the power supply line and a potential line with a pulse-shaped waveform such that a predetermined luminance duration is obtained in the emission period. In a non-emission period of the self-luminous element, an off-state voltage is applied between the power supply line and the potential line so as to maintain the self-luminous element in a non-emission state.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: August 13, 2019
    Assignee: Sony Corporation
    Inventors: Hiroshi Hasegawa, Teppei Isobe
  • Publication number: 20190242000
    Abstract: Provided is a method for manufacturing a high-strength galvanized steel sheet. Heating in a first half of oxidizing treatment is performed at a temperature of 400° C. to 750° C. in an atmosphere having a particular O2 concentration and a particular H2O concentration, and heating in a second half of the oxidizing treatment is performed at a temperature of 600° C. to 850° C. in an atmosphere having a particular O2 concentration and a particular H2O concentration. Subsequently, heating in a heating zone for reduction annealing is performed to a temperature of 650° C. to 900° C. at a particular heating rate in an atmosphere having a particular H2 concentration and a particular H2O concentration with the balance being N2 and inevitable impurities, and soaking in a soaking zone for the reduction annealing is performed in an atmosphere having a particular H2 concentration and a particular H2O concentration with the balance being N2 and inevitable impurities.
    Type: Application
    Filed: September 14, 2017
    Publication date: August 8, 2019
    Applicant: JFE Steel Corporation
    Inventors: Yoichi Makimizu, Gentaro Takeda, Hiroshi Hasegawa, Yoshimasa Himei, Yoshikazu Suzuki
  • Patent number: 10369426
    Abstract: A golf club includes a head 200, a shaft 300, and a tip engagement part RT having a reverse-tapered shape and being disposed at a tip end portion of the shaft 300. The tip engagement part RT includes a sleeve 400 having a reverse-tapered shape and being fixed to the tip end portion of the shaft 300, and a spacer 500 having a reverse-tapered shape and being externally fitted to the sleeve 400. The spacer 500 has a divided structure. The hosel part 202 includes a hosel hole 204. The hosel hole 204 includes a reverse-tapered hole 206 corresponding to the shape of the outer surface of the tip engagement part RT. The hosel hole 204 allows the sleeve 400 to pass through the hosel hole 204. The tip engagement part RT is fitted to the reverse-tapered hole 206, and the sleeve 400 is fitted inside the spacer 500.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: August 6, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Masahide Onuki, Hiroshi Hasegawa, Naruhiro Mizutani, Yuki Motokawa