Patents by Inventor Mamoru Saraie

Mamoru Saraie 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).

  • Iron golf club and golf club set
    Patent number: 7131913
    Abstract: A groove is provided a surface on a cavity portion side of a sole portion in a head portion of an iron golf club, and a thickness of a ball hitting portion in a face portion is made larger than a thickness of a top edge side portion of the face portion and at least as large as a thickness of a sole side portion of the face portion. In a golf club set according to the present invention, the groove has the greatest depth in a long iron golf club, while the groove has the smallest depth in a short iron golf club or no groove is provided in the short iron golf club.
    Type: Grant
    Filed: January 14, 2004
    Date of Patent: November 7, 2006
    Assignee: Mizuno Corporation
    Inventors: Mototaka Iwata, Isamu Toshinari, Tomomi Watanabe, Mamoru Saraie, Kiyotaka Chaen
  • Iron golf club and golf club set with variable weight distribution
    Patent number: 7022028
    Abstract: An iron golf club and a set of iron golf clubs that have a variable weight distribution. Each iron golf club head has a cavity and a raised wall portion that extends upward from the sole and offset from the cavity. The raised wall portion is separated from the cavity by a groove set at an oblique angle to the face portion of the iron golf club The groove deepens the center of mass depth and lengthens the effective face length of the iron golf club. The width of the groove may vary between each golf club in a set of iron golf clubs, such that the width of the groove of the long irons is greater that the width of the groove of the middle irons, and the width of the groove of the middle irons is greater than the width of the groove of the short irons.
    Type: Grant
    Filed: July 31, 2004
    Date of Patent: April 4, 2006
    Assignee: Mizuno Corporation
    Inventors: Masao Nagai, David G. Llewellyn, Harry B. Taylor, Mamoru Saraie, Isamu Toshinari
  • Iron golf club and golf club set with variable weight distribution
    Publication number: 20050085312
    Abstract: An iron golf club and a set of iron golf clubs that have a variable weight distribution. Each iron golf club head has a cavity and a raised wall portion that extends upward from the sole and offset from the cavity. The raised wall portion is separated from the cavity by a groove set at an oblique angle to the face portion of the iron golf club The groove deepens the center of mass depth and lengthens the effective face length of the iron golf club. The width of the groove may vary between each golf club in a set of iron golf clubs, such that the width of the groove of the long irons is greater that the width of the groove of the middle irons, and the width of the groove of the middle irons is greater than the width of the groove of the short irons.
    Type: Application
    Filed: July 31, 2004
    Publication date: April 21, 2005
    Inventors: Masao Nagai, David Llewellyn, Harry Taylor, Mamoru Saraie, Isamu Toshinari
  • Cavity back golf club having a multi-tiered weight distribution configuration
    Patent number: 6843733
    Abstract: An iron golf club head consisting of a back portion, a weight portion, and the cavity portion, which form a “multi-tier” weight distribution configuration. The cavity portion being delineated by a top segment, a toe segment, a sole segment and a heel segment. The first tier is defined by the back portion between the sole and the sole segment of the cavity portion. The second tier is defined by the weight portion, which is recessed from the back portion and is located between the sole segment of the cavity portion and a top edge that is located a predefined height above the sole segment. The third tier of the weight distribution configuration is defined by the cavity portion between the upper segment of the weight portion and the upper edge of the cavity portion.
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: January 18, 2005
    Assignee: Mizuno Corporation
    Inventors: David G. Llewellyn, Harry B. Taylor, Mamoru Saraie
  • Iron golf club and golf club set
    Publication number: 20040147335
    Abstract: A groove is provided a surface on a cavity portion side of a sole portion in a head portion of an iron golf club, and a thickness of a ball hitting portion in a face portion is made larger than a thickness of a top edge side portion of the face portion and at least as large as a thickness of a sole side portion of the face portion. In a golf club set according to the present invention, the groove has the greatest depth in a long iron golf club, while the groove has the smallest depth in a short iron golf club or no groove is provided in the short iron golf club.
    Type: Application
    Filed: January 14, 2004
    Publication date: July 29, 2004
    Inventors: Mototaka Iwata, Isamu Toshinari, Tomomi Watanabe, Mamoru Saraie, Kiyotaka Chaen
  • Iron golf club and golf club set
    Patent number: 6709345
    Abstract: A groove is provided a surface on a cavity portion side of a sole portion in a head portion of an iron golf club, and a thickness of a ball hitting portion in a face portion is made larger than a thickness of a top edge side portion of the face portion and at least as large as a thickness of a sole side portion of the face portion. In a golf club set according to the present invention, the groove has the greatest depth in a long iron golf club, while the groove has the smallest depth in a short iron golf club or no groove is provided in the short iron golf club.
    Type: Grant
    Filed: October 12, 2001
    Date of Patent: March 23, 2004
    Assignee: Mizuno Corporation
    Inventors: Mototaka Iwata, Isamu Toshinari, Tomomi Watanabe, Mamoru Saraie
  • Weight portion for a golf club iron head
    Patent number: D504167
    Type: Grant
    Filed: October 7, 2003
    Date of Patent: April 19, 2005
    Assignee: Mizuno Corporation
    Inventors: Mototaka Iwata, Isamu Toshinari, Tomomi Watanabe, Mamoru Saraie, Kiyotaka Chaen
  • Golf club iron head
    Patent number: D508722
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: August 23, 2005
    Assignee: Mizuno Corporation
    Inventors: Mototaka Iwata, Isamu Toshinari, Tomomi Watanabe, Mamoru Saraie, Kiyotaka Chaen
  • Golf club head
    Patent number: D467292
    Type: Grant
    Filed: August 7, 2001
    Date of Patent: December 17, 2002
    Assignee: Mizuno Corporation
    Inventors: Mamoru Saraie, Keiji Hashimoto, Koji Kawase
  • Golf club head
    Patent number: D469834
    Type: Grant
    Filed: August 7, 2001
    Date of Patent: February 4, 2003
    Assignee: Mizuno Corporation
    Inventor: Mamoru Saraie
  • Recessed back of a golf club head
    Patent number: D473904
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: April 29, 2003
    Assignee: Mizuno Corporation
    Inventors: David G. Llewellyn, Harry B. Taylor, Mamoru Saraie
  • Perimeter-weighted golf club back with integrated trapezoidal weight
    Patent number: D547817
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: July 31, 2007
    Assignee: Mizuno Corporation
    Inventors: Mototaka Iwata, Isamu Toshinari, Tomomi Watanabe, Mamoru Saraie, Kiyotaka Chaen
  • Perimeter-weighted back portion with an integrated trapezoidal weight portion for an iron golf club
    Patent number: D552703
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: October 9, 2007
    Assignee: Mizuno Corporation
    Inventors: Motokaka Iwata, Isamu Toshinari, Tomomi Watanabe, Mamoru Saraie, Kiyotaka Chaen
  • Back design for an iron golf club head
    Patent number: D603923
    Type: Grant
    Filed: December 25, 2008
    Date of Patent: November 10, 2009
    Assignee: Mizuno USA, Inc.
    Inventors: David Llewellyn, Mamoru Saraie, Kazuhiro Doi
  • Driver-type golf club head
    Patent number: D617403
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: June 8, 2010
    Assignee: Mizuno USA, Inc.
    Inventors: David Llewellyn, Tsugunobo Sakamoto, Tetsuya Kanayama, Mamoru Saraie
  • Hybrid golf club head
    Patent number: D617859
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: June 15, 2010
    Assignee: Mizuno USA, Inc.
    Inventors: David Llewellyn, Kei Tsuji, Mamoru Saraie
  • Fairway wood-type golf club head
    Patent number: D618295
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: June 22, 2010
    Assignee: Mizuno USA, Inc.
    Inventors: David Llewellyn, Tetsuya Kanayama, Mamoru Saraie
  • Iron-type golf club
    Patent number: D660389
    Type: Grant
    Filed: June 3, 2011
    Date of Patent: May 22, 2012
    Assignee: Mizuno USA
    Inventors: Chris Voshall, Richard Delvac, Mamoru Saraie
  • Iron-type golf club head
    Patent number: D682959
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: May 21, 2013
    Assignee: Mizuno USA, Inc.
    Inventors: Mamoru Saraie, Isamu Toshinari, Tomo Aoki, Richard Delvac
  • Iron-type golf club head
    Patent number: D682962
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: May 21, 2013
    Assignee: Mizuno USA, Inc.
    Inventors: David Llewellyn, Mamoru Saraie, Kazuhiro Doi