Patents by Inventor Masakazu Iwabuchi

Masakazu Iwabuchi 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: 11991998
    Abstract: The reel seat for mounting a dual-bearing reel on an upper side of a rod main body of a fishing rod extends in a front-rear direction in a plan view of the reel seat. The reel seat includes a reel foot mounting part on the upper side for mounting a reel foot of the dual-bearing reel such that a handle of the dual-bearing reel is located on a first side in a right-left direction in the plan view. The reel seat also includes a support wall for supporting a palm of a hand when palming the reel seat such that the support wall provided on a second side opposite to the first side in the right-left direction, the support wall protruding to the upper side on the second side of the reel seat.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: May 28, 2024
    Assignee: SHIMANO INC.
    Inventors: Masakazu Iwabuchi, Shogo Kosaka, Yuzo Shimano, Soshi Iwata
  • Publication number: 20200060249
    Abstract: Provided is a reel seat including a cylindrical reel seat main body including a reel foot mounting part 5 for mounting a reel foot 101 of a dual-bearing reel 100. The reel seat has a configuration in which a rod main body 1 passes through the reel seat main body. A support wall 61 supports a palm of a hand during palming. The support wall 61 protrudes upward from a palming side of the reel seat main body at behind a paling side of left and right sides of the dual-bearing reel 100. A rear-side inclined surface 63 of the support wall 61 abuts against the palm thenar of the hand during palming.
    Type: Application
    Filed: October 31, 2017
    Publication date: February 27, 2020
    Applicant: SHIMANO INC.
    Inventors: Masakazu Iwabuchi, Shogo Kosaka, Yuzo Shimano, Soshi Iwata
  • Patent number: 7293732
    Abstract: A spinning reel includes a reel unit mounted to a fishing rod, and a rotor rotatably mounted to the reel unit on a front side, and guard members. The guard members include plate-shaped embedded portions and protruding portions. The embedded portion of one guard member is embedded in the reel unit from the rod attachment leg to the rear end portion and the lower and portion. The embedded portions of other guard members are embedded in the rotor on an outer portion of a cylindrical portion, and on an outer portion of a second rotor arm. The protruding portions protrude from the outer surface of the reel unit or the rotor. The guard members can come into contact with the ground when the spinning reel is placed thereon, such that scratching on the reel unit or the rotor can be prevented.
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: November 13, 2007
    Assignee: Shimano Inc.
    Inventors: Masakazu Iwabuchi, Ken'ichi Sugawara, Takeshi Ikuta, Hirokazu Hiraoka
  • Patent number: 7234661
    Abstract: A drag adjustment device for a dual-bearing reel that adjusts the drag force of a lever drag mechanism includes a drag adjustment lever, an intermediate positioning mechanism and a drag adjustment sounding mechanism. The drag adjustment lever is pivotably attached to the reel unit about a spool shaft between a free position corresponding to a drag free state and a maximum position corresponding to a maximum drag state of the lever drag mechanism. The intermediate positioning mechanism includes a positioning block that is attached to the reel unit at the intermediate position between the free position and the maximum position so as to be able to advance or retreat. The positioning block contacts the drag adjustment lever to position the drag adjustment lever at the intermediate position. The drag adjustment sounding mechanism sounds in response to the pivoting of the drag adjustment lever.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: June 26, 2007
    Assignee: Shimano Inc.
    Inventors: Hirokazu Hirayama, Masakazu Iwabuchi
  • Patent number: D529984
    Type: Grant
    Filed: August 11, 2005
    Date of Patent: October 10, 2006
    Assignee: Shimano Inc.
    Inventor: Masakazu Iwabuchi
  • Patent number: D560268
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: January 22, 2008
    Assignee: Shimano Inc.
    Inventors: Masakazu Iwabuchi, Akira Nago
  • Patent number: D561871
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: February 12, 2008
    Assignee: Shimano Inc.
    Inventor: Masakazu Iwabuchi
  • Patent number: D579513
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: October 28, 2008
    Assignee: Shimano Inc.
    Inventor: Masakazu Iwabuchi
  • Patent number: D620073
    Type: Grant
    Filed: January 7, 2010
    Date of Patent: July 20, 2010
    Assignee: Shimano Inc.
    Inventors: Jun Tabuse, Masakazu Iwabuchi
  • Patent number: D624624
    Type: Grant
    Filed: January 7, 2010
    Date of Patent: September 28, 2010
    Assignee: Shimano Inc.
    Inventors: Jun Tabuse, Masakazu Iwabuchi
  • Patent number: D624625
    Type: Grant
    Filed: January 7, 2010
    Date of Patent: September 28, 2010
    Assignee: Shimano Inc.
    Inventors: Jun Tabuse, Masakazu Iwabuchi
  • Patent number: D661774
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: June 12, 2012
    Assignee: Shimano Inc.
    Inventors: Akira Nago, Masakazu Iwabuchi
  • Patent number: D661775
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: June 12, 2012
    Assignee: Shimano Inc.
    Inventors: Akira Nago, Masakazu Iwabuchi
  • Patent number: D723655
    Type: Grant
    Filed: April 16, 2014
    Date of Patent: March 3, 2015
    Assignee: Shimano Inc.
    Inventors: Tomoya Deguchi, Akira Nago, Masakazu Iwabuchi
  • Patent number: D725229
    Type: Grant
    Filed: April 16, 2014
    Date of Patent: March 24, 2015
    Assignee: Shimano Inc.
    Inventors: Tomoya Deguchi, Masakazu Iwabuchi
  • Patent number: D781395
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: March 14, 2017
    Assignee: Shimano Inc.
    Inventors: Akira Nago, Masakazu Iwabuchi
  • Patent number: D781396
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: March 14, 2017
    Assignee: Shimano Inc.
    Inventors: Akira Nago, Masakazu Iwabuchi
  • Patent number: D781997
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: March 21, 2017
    Assignee: Shimano Inc.
    Inventors: Akira Nago, Masakazu Iwabuchi
  • Patent number: D782607
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: March 28, 2017
    Assignee: Shimano Inc.
    Inventors: Tomoya Deguchi, Masakazu Iwabuchi
  • Patent number: D785130
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: April 25, 2017
    Assignee: Shimano Inc.
    Inventors: Tomoya Deguchi, Masakazu Iwabuchi