Patents by Inventor Ryuichi Sugimae

Ryuichi Sugimae 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: 12702902
    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 present invention may also further be comprised of a weighting mechanism that is accessible via an opening in the lightweight after portion but connects directly to the metallic frontal portion to mitigate any of the structural integrity issues associated with installing weights in a lightweight portion of a golf club head.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: August 11, 2026
    Assignee: Acushnet Company
    Inventors: Ryuichi Sugimae, Peter Larsen, Darryl C. Galvan
  • Patent number: 12702904
    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 present invention may also further be comprised of a weighting mechanism that is accessible via an opening in the lightweight after portion but connects directly to the metallic frontal portion to mitigate any of the structural integrity issues associated with installing weights in a lightweight portion of a golf club head.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: August 11, 2026
    Assignee: Acushnet Company
    Inventors: Ryuichi Sugimae, Peter Larsen
  • Patent number: 12654075
    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), a relatively low MOI about the Shaft-axis (MOI-SA), a low MOI about the Y-axis (MOI-Y) and a high MOI about the X-axis (MOI-X).
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: June 16, 2026
    Assignee: Acushnet Company
    Inventors: Charles E. Golden, Richard L. Cleghorn, Ryuichi Sugimae
  • Patent number: 12643022
    Abstract: A golf club head including a striking face, a back portion, and a back cover attached to the back portion, wherein the golf club head includes damping structures and materials to achieve desired acoustic characteristics.
    Type: Grant
    Filed: January 27, 2023
    Date of Patent: June 2, 2026
    Assignee: Acushnet Company
    Inventors: Gery M. Zimmerman, Charles E. Golden, Helene Hipp, Gentry Ferguson, Oswaldo Gonzalez, Ryuichi Sugimae
  • Publication number: 20260115977
    Abstract: A golf club with a multi-material face is disclosed herein. More specifically, the golf club head in accordance with the present invention has a multi-material striking face portion that is made out of a backing layer having a frontal pocket, made out of titanium, and an insert, made out of a composite material, adapted to be inserted into the frontal pocket. The frontal pocket and the insert could have complementary dovetail shaped undercut features to create a mechanical bond between these two components. The insert may be bonded to the frontal pocket using an adhesive impregnated within a glass fiber weave.
    Type: Application
    Filed: December 22, 2025
    Publication date: April 30, 2026
    Applicant: Acushnet Company
    Inventors: Grant M. Martens, Uday V. Deshmukh, Ryuichi Sugimae
  • Publication number: 20260102662
    Abstract: An aft body of a golf club head and method of manufacturing the aft body is shown. The aft body has a composite crown and sole and separately formed skirt between the crown and sole. The method of manufacturing the aft body includes thermoforming the crown and sole and subsequently injection molding the skirt.
    Type: Application
    Filed: December 10, 2025
    Publication date: April 16, 2026
    Applicant: Acushnet Company
    Inventors: Peter Larsen, Changting Lo, Richard L. Cleghorn, Ryuichi Sugimae, Hiroshi Kawaguchi
  • Publication number: 20260084018
    Abstract: The presently disclosed technology is directed to a golf club including a golf club head including a face cup and an aft body. The face cup may include a striking face and a face perimeter extending along a rearward portion of the face cup. The aft body may include a composite. The aft body may include an aft perimeter extending along a faceward portion of the aft body to interface with at least a part of the face perimeter.
    Type: Application
    Filed: December 4, 2025
    Publication date: March 26, 2026
    Applicant: Acushnet Company
    Inventors: Richard Sanchez, Ryuichi Sugimae, Richard L. Cleghorn, Darryl C. Galvan, Jorgen Meister
  • Publication number: 20260048301
    Abstract: A golf club head including tiled weighting is disclosed herein. In accordance with the presently disclosed technology, the golf club head may include a striking face, a crown, and a sole. The sole may include a sole groove and a weight assembly to fit into the sole groove. The weight assembly may include a plurality of spacer tiles and a weighted tile. At least one of the plurality of spacer tiles may engage the weighted tile. The plurality of spacer tiles and the weighted tile may combine to substantially cover the sole groove.
    Type: Application
    Filed: August 13, 2024
    Publication date: February 19, 2026
    Applicant: Acushnet Company
    Inventors: Richard L. Cleghorn, Sang Yi, Peter L. Soracco, Ryuichi Sugimae, Peter Larsen, Hiroshi Kawaguchi
  • Publication number: 20250381455
    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 present invention may also further be comprised of a weighting mechanism that is accessible via an opening in the lightweight after portion but connects directly to the metallic frontal portion to mitigate any of the structural integrity issues associated with installing weights in a lightweight portion of a golf club head.
    Type: Application
    Filed: July 11, 2025
    Publication date: December 18, 2025
    Applicant: Acushnet Company
    Inventors: Stephanie Luttrell, Michael A. Lovato, Jorgen Meister, Ryuichi Sugimae, Charles E. Golden, Kyle A. Carr
  • Publication number: 20250325888
    Abstract: A golf club head includes a golf club head body, a striking face, and an inner wall supporting the striking face. A ledge extends from a body into the interior of the golf club head body, and the inner wall is disposed within a gap between the striking face and the ledge. A rear surface of the inner wall is supported by a portion of the golf club head body, and a rear surface of the striking face is in contact with a portion of the inner wall. The inner wall may be inserted into the golf club head through an opening defined in the toe portion of the golf club head or the rear portion of the golf club head.
    Type: Application
    Filed: July 3, 2025
    Publication date: October 23, 2025
    Applicant: Acushnet Company
    Inventors: Jonathan Hebreo, Doug M. Takehara, Joshua G. Breier, Ryuichi Sugimae, Nick Frame
  • Patent number: 12440733
    Abstract: A method of forming 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 method forms a golf club head that 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).
    Type: Grant
    Filed: May 25, 2023
    Date of Patent: October 14, 2025
    Assignee: Acushnet Company
    Inventors: Ryuichi Sugimae, Darryl C. Galvan, Stephen S. Murphy, Charles E. Golden, Peter Larsen, Richard L. Cleghorn
  • Publication number: 20250303242
    Abstract: A golf club face including voids is disclosed herein. In accordance with the presently disclosed technology, the golf club face may include a front surface to impact a golf ball, a rear surface, and a plurality of two or more voids between the front surface and the rear surface distributed in a pattern.
    Type: Application
    Filed: April 1, 2024
    Publication date: October 2, 2025
    Applicant: Acushnet Company
    Inventors: Kyle A. Carr, David S. Cornelius, Peter Larsen, Richard L. Cleghorn, Ryuichi Sugimae, Uday V. Deshmukh, Stephen S. Murphy
  • Patent number: 12397206
    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: Grant
    Filed: August 3, 2023
    Date of Patent: August 26, 2025
    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: 20250256175
    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: April 8, 2025
    Publication date: August 14, 2025
    Applicant: Acushnet Company
    Inventors: Darryl C. Galvan, Richard Sanchez, Richard L. Cleghorn, Ryuichi Sugimae, Stephanie Luttrell
  • Publication number: 20250256170
    Abstract: A golf club head with an improved Center of Gravity (CG) location is disclosed. More specifically, the present invention relates to a metalwood type golf club head with improved performance via shifting the CG towards a location that reduces spin, at the same time, without sacrificing launch angle and the forgiveness of the golf club head. This golf club head may generally have a unique construction capable of achieving a low and forward CG location that is less than 40 mm from the face center along a Z-axis, a CG height that is no more than 2 mm above the neutral axis, and a MOI-Y of greater than about 4,000 g-cm2.
    Type: Application
    Filed: May 2, 2025
    Publication date: August 14, 2025
    Applicant: Acushnet Company
    Inventors: Richard L. Cleghorn, Peter L. Soracco, Ryuichi Sugimae
  • Publication number: 20250249317
    Abstract: A multi-material golf club head wherein the junction between the two different components made from different materials are seamlessly incorporated within existing visual cues of a golf club head is disclosed. More specifically, the present invention adjusts the design of the bond between the two different components to reflect the needs of the golf club head at the various visual cues around the perimeter of the golf club head.
    Type: Application
    Filed: April 25, 2025
    Publication date: August 7, 2025
    Applicant: Acushnet Company
    Inventors: Richard L. Cleghorn, Hiroshi Kawaguchi, Peter Larsen, Ryuichi Sugimae
  • Patent number: 12370419
    Abstract: A golf club head with an improved Center of Gravity (CG) location is disclosed. More specifically, the present invention relates to a metalwood type golf club head with improved performance via shifting the CG towards a location that reduces spin, at the same time, without sacrificing launch angle and the forgiveness of the golf club head. This golf club head may generally have a unique construction capable of achieving a low and forward CG location that is less than 40 mm from the face center along a Z-axis, a CG height that is no more than 2 mm above the neutral axis, and a MOI-Y of greater than about 4,000 g-cm2.
    Type: Grant
    Filed: May 19, 2023
    Date of Patent: July 29, 2025
    Assignee: Acushnet Company
    Inventors: Richard L. Cleghorn, Peter L. Soracco, Ryuichi Sugimae
  • Patent number: 12357886
    Abstract: A method for manufacturing a golf club head including a golf club head body, a striking face, and an inner wall supporting the striking face. A ledge extends from a body into the interior of the golf club head body, and the inner wall is disposed within a gap between the striking face and the ledge. A rear surface of the inner wall is supported by a portion of the golf club head body, and a rear surface of the striking face is in contact with a portion of the inner wall. The inner wall may be inserted into the golf club head through an opening defined in the toe portion of the golf club head or the rear portion of the golf club head.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: July 15, 2025
    Assignee: Acushnet Company
    Inventors: Jonathan Hebreo, Doug M. Takehara, Joshua G. Breier, Ryuichi Sugimae, Nick Frame
  • Publication number: 20250213939
    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).
    Type: Application
    Filed: March 20, 2025
    Publication date: July 3, 2025
    Applicant: Acushnet Company
    Inventors: Daniel G. Chelius, Richard L. Cleghorn, Hiroshi Kawaguchi, Alan Hocknell, Ryuichi Sugimae, Peter Larsen
  • Publication number: 20250153012
    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. The golf club head includes a frontal portion and a rear portion formed of a thermoplastic composite material. The thermoplastic composite material is mechanically captured by at least one first attachment feature provided in the frontal portion such that the thermoplastic composite material may be joined to the frontal portion without the use of additional adhesives or external fasteners.
    Type: Application
    Filed: January 14, 2025
    Publication date: May 15, 2025
    Applicant: Acushnet Company
    Inventors: Peter Larsen, Sang Yi, Peter L. Soracco, Ryuichi Sugimae