Patents by Inventor Hiroshi Kawaguchi

Hiroshi Kawaguchi 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: 20230109052
    Abstract: According to one embodiment, a toner contains a toner mother particle and an external additive. The toner mother particle contains a crystalline polyester resin and a specific ester wax. The external additive contains silica A having a D50 of 10 nm to 14 nm and monodispersed silica B having a D50 of 90 nm to 150 nm. The following conditions are satisfied. Content of silica A: 0.1 parts by mass to 0.8 parts by mass with respect to 100 parts by mass of the toner mother particle. Content of silica B: 0.3 parts by mass to 1.2 parts by mass with respect to 100 parts by mass of the toner mother particle. Ratio (content of silica B/content of silica A): 1.0 to 5.0. Residual ratio X of silica A: 70% or more. Residual ratio Y of silica B: 30% or more. Ratio (residual ratio X/residual ratio Y): 1.0 to 3.0.
    Type: Application
    Filed: June 22, 2022
    Publication date: April 6, 2023
    Inventor: Hiroshi Kawaguchi
  • Publication number: 20230065680
    Abstract: A golf club head including a striking face including a front surface configured to strike a golf ball and a rear surface opposite the front surface, a damping element abutting the rear surface of the striking face, wherein the damping element comprises a binder and a filler, wherein the filler has a density less than or equal to 2 g/cc and the binder has a density greater than or equal to 3 g/cc and less than or equal to 12 g/cc, wherein the filler is substantially evenly distributed throughout the binder, wherein the filler comprises a plurality of particles, wherein the particles of the filler are less than 5.0 mm in diameter, and wherein the damping element comprises an average thickness, wherein the average thickness of the damping element is greater than or equal to 5 ?m and less than or equal to 100 ?m.
    Type: Application
    Filed: August 27, 2021
    Publication date: March 2, 2023
    Applicant: Acushnet Company
    Inventors: Hiroshi Kawaguchi, Ryan J. A. Ritchie
  • Patent number: 11577131
    Abstract: A golf club head that is capable improving on the inertia properties of a golf club head all while also improving the Center of Gravity (CG) location is disclosed herein. More specifically, the golf club head in accordance with the present invention achieves a relative low Moment of Inertia (MOI) about the Z-axis (MOI-Z) as well as a relatively low MOI about the Shaft-axis (MOI-SA), all combined with a high MOI about the X and Y-axis (MOI-X and MOI-Y) and maintaining a consistently and relatively low CG location measured along a direction tangent to the hosel axis along the X-Y plane (CG-B).
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: February 14, 2023
    Assignee: Acushnet Company
    Inventors: Ryuichi Sugimae, Charles E. Golden, Joey Ashcroft, Richard L. Cleghorn, Gregory D. Johnson, Gentry Ferguson, Peter L. Soracco, Noah de la Cruz, Hiroshi Kawaguchi, Peter Larsen
  • Publication number: 20230026545
    Abstract: A golf club head that is capable improving on the inertia properties of a golf club head all while also improving the Center of Gravity (CG) location is disclosed herein. More specifically, the golf club head in accordance with the present invention achieves a relative low Moment of Inertia (MOI) about the Z-axis (MOI-Z) as well as a relatively low MOI about the Shaft-axis (MOI-SA), all combined with a high MOI about the X and Y-axis (MOI-X and MOI-Y) and maintaining a consistently and relatively low CG location measured along a direction tangent to the hosel axis along the X-Y plane (CG-B).
    Type: Application
    Filed: September 30, 2022
    Publication date: January 26, 2023
    Applicant: Acushnet Company
    Inventors: Ryuichi Sugimae, Charles E. Golden, Joey Ashcroft, Richard L. Cleghorn, Gregory D. Johnson, Gentry Ferguson, Peter L. Soracco, Noah de la Cruz, Hiroshi Kawaguchi, Peter Larsen
  • Patent number: 11541289
    Abstract: A golf club head includes a club head body and a weight member that is secured to the body. The weight member is constructed to utilize lateral forces to couple to the head body to minimize the structure required to retain the weight member, and the weight member is preferably constructed so that it has a low profile.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: January 3, 2023
    Assignee: Acushnet Company
    Inventors: Richard L. Cleghorn, David Cornelius, Hiroshi Kawaguchi, Dustin Barksdale
  • Patent number: 11526093
    Abstract: According to one embodiment, a toner which has excellent low-temperature fixability, and also has excellent heat resistance even when the toner is reused, sufficiently maintains an electric charge amount, and hardly decreases an image density is provided. Also provided are a toner cartridge and an image forming apparatus, in each of which the toner is stored. A toner according to an embodiment contains toner base particles and an external additive. The external additive contains silica particles A, B, and C having a particle diameter of 10 to 14 nm, 40 to 70 nm, and 90 to 150 nm, respectively.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: December 13, 2022
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Hiroshi Kawaguchi
  • Patent number: 11497970
    Abstract: A golf club head that is capable improving on the inertia properties of a golf club head all while also improving the Center of Gravity (CG) location is disclosed herein. More specifically, the golf club head in accordance with the present invention achieves a relative low Moment of Inertia (MOI) about the Z-axis (MOI-Z) as well as a relatively low MOI about the Shaft-axis (MOI-SA), all combined with a high MOI about the X and Y-axis (MOI-X and MOI-Y) and maintaining a consistently and relatively low CG location measured along a direction tangent to the hosel axis along the X-Y plane (CG-B). The golf club head includes a frontal portion and a rear portion, each including one or more cantilevered extensions and one or more elongate protrusions that collectively constitute a snap fit mechanism adapted to removably couple the frontal portion to the rear portion.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: November 15, 2022
    Assignee: Acushnet Company
    Inventors: Sang Yi, Peter Larsen, Stephen S. Murphy, Scott A. Knutson, Charles E. Golden, Joey Ashcroft, Richard L. Cleghorn, Gregory D. Johnson, Gentry Ferguson, Peter L. Soracco, Noah de la Cruz, Hiroshi Kawaguchi, Ryuichi Sugimae
  • Patent number: 11399778
    Abstract: A measuring instrument attachment assist device which includes: a coordinate detector which detects coordinates of predetermined feature points from an image obtained by capturing an image of a subject; a conversion parameter calculator which calculates a projection conversion parameter for converting the coordinates of the feature points in a model image into the coordinates obtained by the detection; a designating unit which designates a position of a measuring instrument attached to the subject in the model image; a coordinate converter which converts a coordinate of the position designated by using the designating unit, by using the projection conversion parameter; and a display which displays the coordinate obtained by the conversion by the coordinate converter, on the image obtained by the capturing.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: August 2, 2022
    Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Hiroshi Kawaguchi, Toru Yamada
  • Publication number: 20220219049
    Abstract: A multi-material golf club head having an improved performance is disclosed. More specifically, the present invention relates to a multi-material golf club head having a metallic frontal portion and a lightweight aft portion with an addition of an internal ribbon support member. The lightweight aft portion could be formed of a multi-layered sandwich material with at least one layer having low damping properties. The lightweight aft portion may be formed out of a lightweight crown sub-shell and a lightweight sole sub-shell, both of which combine to receive a weighting system.
    Type: Application
    Filed: February 18, 2022
    Publication date: July 14, 2022
    Applicant: Acushnet Company
    Inventors: Richard L. Cleghorn, Ryuichi Sugimae, Peter Larsen, Hiroshi Kawaguchi
  • Publication number: 20220219053
    Abstract: A golf club head that is capable improving on the inertia properties of a golf club head all while also improving the Center of Gravity (CG) location is disclosed herein. More specifically, the golf club head in accordance with the present invention achieves a relative low Moment of Inertia (MOI) about the Z-axis (MOI-Z) as well as a relatively low MOI about the Shaft-axis (MOI-SA), all combined with a high MOI about the X and Y-axis (MOI-X and MOI-Y) and maintaining a consistently and relatively low CG location measured along a direction tangent to the hosel axis along the X-Y plane (CG-B).
    Type: Application
    Filed: April 1, 2022
    Publication date: July 14, 2022
    Applicant: Acushnet Company
    Inventors: Charles E. Golden, Joey Ashcroft, Richard L. Cleghorn, Gregory D. Johnson, Gentry Ferguson, Peter L. Soracco, Noah de la Cruz, Hiroshi Kawaguchi, Peter Larsen
  • Patent number: 11331546
    Abstract: A golf club head that is capable improving on the inertia properties of a golf club head all while also improving the Center of Gravity (CG) location is disclosed herein. More specifically, the golf club head in accordance with the present invention achieves a relative low Moment of Inertia (MOI) about the Z-axis (MOI-Z) as well as a relatively low MOI about the Shaft-axis (MOI-SA), all combined with a high MOI about the X and Y-axis (MOI-X and MOI-Y) and maintaining a consistently and relatively low CG location measured along a direction tangent to the hosel axis along the X-Y plane (CG-B).
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: May 17, 2022
    Assignee: Acushnet Company
    Inventors: Charles E. Golden, Joey Ashcroft, Richard L. Cleghorn, Gregory D. Johnson, Gentry Ferguson, Peter L. Soracco, Noah de la Cruz, Hiroshi Kawaguchi, Peter Larsen
  • Publication number: 20220066343
    Abstract: According to one embodiment, a toner which has excellent low-temperature fixability, and also has excellent heat resistance even when the toner is reused, sufficiently maintains an electric charge amount, and hardly decreases an image density is provided. Also provided are a toner cartridge and an image forming apparatus, in each of which the toner is stored. A toner according to an embodiment contains toner base particles and an external additive. The external additive contains silica particles A, B, and C having a particle diameter of 10 to 14 nm, 40 to 70 nm, and 90 to 150 nm, respectively.
    Type: Application
    Filed: April 15, 2021
    Publication date: March 3, 2022
    Applicant: TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Hiroshi KAWAGUCHI
  • Publication number: 20220054906
    Abstract: A golf club head that is capable improving on the inertia properties of a golf club head all while also improving the Center of Gravity (CG) location is disclosed herein. More specifically, the golf club head in accordance with the present invention achieves a relative low Moment of Inertia (MOI) about the Z-axis (MOI-Z) as well as a relatively low MOI about the Shaft-axis (MOI-SA), all combined with a high MOI about the X and Y-axis (MOI-X and MOI-Y).
    Type: Application
    Filed: November 8, 2021
    Publication date: February 24, 2022
    Applicant: Acushnet Company
    Inventors: Ryuichi Sugimae, Peter Larsen, Stephen S. Murphy, Scott A. Knutson, Charles E. Golden, Joey Ashcroft, Richard L. Cleghorn, Gregory D. Johnson, Gentry Ferguson, Peter L. Soracco, Noah de la Cruz, Hiroshi Kawaguchi
  • Patent number: 11213730
    Abstract: A golf club head that is capable improving on the inertia properties of a golf club head all while also improving the Center of Gravity (CG) location is disclosed herein. More specifically, the golf club head in accordance with the present invention achieves a relative low Moment of Inertia (MOI) about the Z-axis (MOI-Z) as well as a relatively low MOI about the Shaft-axis (MOI-SA), all combined with a high MOI about the X and Y-axis (MOI-X and MOI-Y) and maintaining a consistently and relatively low CG location measured along a direction tangent to the hosel axis along the X-Y plane (CG-B).
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: January 4, 2022
    Assignee: Acushnet Company
    Inventors: Ryuichi Sugimae, Peter Larsen, Stephen S. Murphy, Scott A. Knutson, Charles E. Golden, Joey Ashcroft, Richard L. Cleghorn, Gregory D. Johnson, Gentry Ferguson, Peter L. Soracco, Noah de la Cruz, Hiroshi Kawaguchi
  • Publication number: 20210380422
    Abstract: A silica that is superior in terms of fluidity, oil absorption ability, and compression moldability to conventional silica used as a pharmaceutical additive, and is suitable as an additive for formulations such as pharmaceuticals. A porous silica particle composition having the following properties: (1) a BET specific surface area from 250 to 1,000 m2/g; (2) an average particle diameter from 1 to 150 ?m; (3) a pore volume from 0.1 to 8.0 cm3/g; and (4) an oil absorption capacity from 2.2 to 5.0 mL/g.
    Type: Application
    Filed: October 4, 2019
    Publication date: December 9, 2021
    Applicant: FUJI CHEMICAL INDUSTRIES CO., LTD.
    Inventors: Koji HODA, Hiroshi KAWAGUCHI, Teppei SHIBATA, Tadashi FUKAMI, Tadashi YOSHIGAI, Tatsuki UENO, Yo NAKASHIMA, Tetsuya OONUKI, Hitoshi SAKAI
  • Patent number: 11185745
    Abstract: A ball striking device, such as a golf club head, has a head that includes a face configured for striking a ball and a body connected to the face, the body being adapted for connection of a shaft proximate a heel thereof. The face has a thickened portion including an annular tapered area that tapers in thickness between an upper boundary and a lower boundary and encloses an elevated area bounded by the upper boundary. The upper and/or lower boundary defines a shape having two lobes, each with an outer edge with a convex profile, and a connecting portion extending between the lobes, such that the connecting portion is defined by two outer edges extending between the outer edges of the lobes, wherein at least one of the outer edges of the connecting portion has a concave outer profile.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: November 30, 2021
    Assignee: Karsten Manufacturing Corporation
    Inventors: Robert M. Boyd, Jeremy N. Snyder, Hiroshi Kawaguchi, James S. Thomas, Raymond J. Sander, Rick S. Wahlin, Akira Shimozuma
  • Publication number: 20210268349
    Abstract: A golf club head that is capable improving on the inertia properties of a golf club head all while also improving the Center of Gravity (CG) location is disclosed herein. More specifically, the golf club head in accordance with the present invention achieves a relative low Moment of Inertia (MOI) about the Z-axis (MOI-Z) as well as a relatively low MOI about the Shaft-axis (MOI-SA), all combined with a high MOI about the X and Y-axis (MOI-X and MOI-Y) and maintaining a consistently and relatively low CG location measured along a direction tangent to the hosel axis along the X-Y plane (CG-B).
    Type: Application
    Filed: May 14, 2021
    Publication date: September 2, 2021
    Applicant: Acushnet Company
    Inventors: Ryuichi Sugimae, Charles E. Golden, Joey Ashcroft, Richard L. Cleghorn, Gregory D. Johnson, Gentry Ferguson, Peter L. Soracco, Noah de la Cruz, Hiroshi Kawaguchi, Peter Larsen
  • Publication number: 20210260449
    Abstract: A golf club head includes a club head body and a weight member that is secured to the body. The weight member is constructed to utilize lateral forces to couple to the head body to minimize the structure required to retain the weight member, and the weight member is preferably constructed so that it has a low profile.
    Type: Application
    Filed: May 12, 2021
    Publication date: August 26, 2021
    Applicant: Acushnet Company
    Inventors: Richard L. Cleghorn, David Cornelius, Hiroshi Kawaguchi, Dustin Barksdale
  • Publication number: 20210236890
    Abstract: A golf club head made out of multi-material is disclosed herein. More specifically, the golf club head in accordance with the present invention has at least a portion of the body of the golf club head that is further comprised out of a base layer and a lightweight cover layer. The base layer may have a plurality of cutouts to help reduce unnecessary mass and the lightweight cover layer may be made out of an ultra-lightweight material to further reduce the unnecessary mass.
    Type: Application
    Filed: April 21, 2021
    Publication date: August 5, 2021
    Applicant: Acushnet Company
    Inventor: Hiroshi Kawaguchi
  • Publication number: 20210213333
    Abstract: A golf club head which may include an iron-type golf club head body, a face plate, and a filler positioned behind the ball striking face. According to aspects of the disclosure, the face plate may include score lines which define holes in the face plate. Further, according to aspects of the disclosure, the filler may be comprised of a material that readily absorbs the deflection of the face plate during impact with a golf ball during a golf swing and dampens the impact between the golf club head and the golf ball.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 15, 2021
    Inventors: Hiroshi Kawaguchi, Chris Savage