Patents by Inventor Tomotaka ARAMAKI

Tomotaka ARAMAKI 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: 20200324173
    Abstract: A hollow golf club head includes a face portion, and a sole portion including a toe-side thick walled portion formed on a toe-side thereof, a heel-side thick walled portion formed on a heel-side thereof, and a middle thin walled portion formed between the toe-side thick walled portion and the heel-side thick walled portion. At least a part of the toe-side thick walled portion and at least a part of the heel-side thick walled portion are located on the face portion to a club head center of gravity. The middle thin walled portion having a smaller thickness than the toe-side thick walled portion and the heel-side thick walled portion. The sole portion is provided with a toe-side through hole between the toe-side thick walled portion and the middle thin walled portion and a heel-side through hole between the heel-side thick walled portion and the middle thin walled portion.
    Type: Application
    Filed: March 25, 2020
    Publication date: October 15, 2020
    Applicant: Sumitomo Rubber Industries, Ltd.
    Inventor: Tomotaka ARAMAKI
  • Patent number: 10729946
    Abstract: A golf club set according to the present invention is constituted by a plurality of golf clubs having different loft angles, each of the golf clubs has a shaft and a golf club head, and each of the golf club heads have a crown part, a face part, a sole part, and a hosel part to which the shaft is attached. In the face part, an upper edge line that is a boundary with the crown part curves so as to protrude upward, and, out of the plurality of golf clubs, at least a pair of a first golf club having a lower loft angle and a second golf club having a higher loft angle are configured such that, in a reference state, an uppermost point of the upper edge line of the second golf club is located further on a toe side than in the first golf club.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: August 4, 2020
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Tomotaka Aramaki
  • Publication number: 20190290975
    Abstract: The present disclosure is a golf club set constituted by a plurality of golf clubs having different loft angles, each of the golf clubs has a shaft and a golf club head, and each of the golf club heads has a crown part, a face part, a sole part, and a hosel part to which the shaft is attached.
    Type: Application
    Filed: March 19, 2019
    Publication date: September 26, 2019
    Applicant: Sumitomo Rubber Industries, Ltd.
    Inventor: Tomotaka ARAMAKI
  • Publication number: 20190290974
    Abstract: A golf club set according to the present invention is constituted by a plurality of golf clubs having different loft angles, each of the golf clubs has a shaft and a golf club head, and each of the golf club heads have a crown part, a face part, a sole part, and a hosel part to which the shaft is attached. In the face part, an upper edge line that is a boundary with the crown part curves so as to protrude upward, and, out of the plurality of golf clubs, at least a pair of a first golf club having a lower loft angle and a second golf club having a higher loft angle are configured such that, in a reference state, an uppermost point of the upper edge line of the second golf club is located further on a toe side than in the first golf club.
    Type: Application
    Filed: March 19, 2019
    Publication date: September 26, 2019
    Applicant: Sumitomo Rubber Industries, Ltd.
    Inventor: Tomotaka ARAMAKI
  • Publication number: 20190282864
    Abstract: A golf club head includes a striking face. The striking face includes: a face center; a face center region that is a square region having a height of 10 mm and a width of 10 mm, a center of figure of the face center region being located at the face center; a central thick portion that includes the face center region and has a first thickness; and a peripheral thin portion that is located on a periphery of the central thick portion and is thinner than the central thick portion. A CT maximum point is present in the face center region. A shape of an outer edge of the peripheral thin portion is not similar to that of an outer edge of the central thick portion. A difference in thickness between the central thick portion and the peripheral thin portion is 0.3 mm or less.
    Type: Application
    Filed: March 13, 2019
    Publication date: September 19, 2019
    Applicant: Sumitomo Rubber Industries, Ltd.
    Inventor: Tomotaka ARAMAKI
  • Patent number: 10265588
    Abstract: The golf club set according to the present invention is a golf club set constituted by a plurality of numbered golf clubs with different loft angles. In each of the golf, a crown portion has a main body portion that connects to the sole portion and a raised portion that rises to form a step from the main body portion and extends in a toe-heel direction along a boundary with the face portion. In at least one pair of a lower numbered golf club and a higher numbered golf club, among the plurality of golf clubs included in the golf club set, a length of the step in a face-back direction along a perpendicular plane that passes through a sweet spot and a center of gravity of the golf club head is longer in the lower numbered golf club than in the higher numbered golf club.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: April 23, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Tomotaka Aramaki
  • Publication number: 20160354653
    Abstract: The golf club set according to the present invention is a golf club set constituted by a plurality of numbered golf clubs with different loft angles. In each of the golf, a crown portion has a main body portion that connects to the sole portion and a raised portion that rises to form a step from the main body portion and extends in a toe-heel direction along a boundary with the face portion. In at least one pair of a lower numbered golf club and a higher numbered golf club, among the plurality of golf clubs included in the golf club set, a length of the step in a face-back direction along a perpendicular plane that passes through a sweet spot and a center of gravity of the golf club head is longer in the lower numbered golf club than in the higher numbered golf club.
    Type: Application
    Filed: June 2, 2016
    Publication date: December 8, 2016
    Applicant: DUNLOP SPORTS CO. LTD.
    Inventor: Tomotaka ARAMAKI