Patents by Inventor Shouji Nakagawa
Shouji Nakagawa 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: 9468199Abstract: A reel part is provided for a fishing reel. The reel part includes an inner member and an outer member. The inner member has a surface treatment layer. The outer member is fixed to an outer peripheral side of the inner member. The outer member includes a processed part that is processed after being fixed to the inner member.Type: GrantFiled: February 17, 2014Date of Patent: October 18, 2016Assignee: Shimano Inc.Inventors: Takuji Takamatsu, Kentaro Hayashi, Shouji Nakagawa
-
Patent number: 9210922Abstract: A dual-bearing reel is attachable to a fishing rod and configured to forwardly reel out a fishing line in a forward direction. The dual-bearing reel includes a reel unit, a spool, a handle and an attaching member. The reel unit includes a first main body part and a second main body part. The first main body part includes a first lateral surface, a second lateral surface being opposite to the first lateral surface, and an attachment-side surface. The second main body part includes a third lateral surface facing the first lateral surface at a predetermined interval. The attaching member includes an attaching surface facing a first direction. The first main body part includes a recessed portion extending along a first boundary portion. The first boundary portion is between the attachment-side surface and the first lateral surface. The attachment-side surface faces the first direction.Type: GrantFiled: November 18, 2013Date of Patent: December 15, 2015Assignee: Shimano Inc.Inventors: Shouji Nakagawa, Tomoya Deguchi, Kunio Takechi
-
Patent number: 8985493Abstract: A fishing-reel reel unit includes a main body member; a first outer member, and a first inner member. The first outer member is mounted on the main body member, and the first outer member includes a corrosion-resistant coating formed thereon. The first inner member is formed in a tubular shape, when the first inner member is fixed to an inner periphery of the first outer member. The first inner member has a first inner peripheral surface on which a first bearing is mounted, and the first inner member is made of a corrosion-resistant material.Type: GrantFiled: September 24, 2012Date of Patent: March 24, 2015Assignee: Shimano Inc.Inventors: Akira Niitsuma, Hirokazu Hirayama, Shouji Nakagawa, Kunio Takechi
-
Patent number: 8925846Abstract: A method of manufacturing a fishing-reel reel unit including a main body member having an opening includes forming the main body member having the opening and a processing reference, accommodating a bearing mounting part in the opening where the bearing mounting part has a bearing opening and an inner peripheral surface, accommodating a bearing in the bearing opening where the bearing is fixedly mounted on the inner peripheral surface, and machining the inner peripheral surface of the bearing mounting part after the bearing is fixedly mounted on the inner peripheral surface, based on the processing reference.Type: GrantFiled: August 21, 2012Date of Patent: January 6, 2015Assignee: Shimano Inc.Inventors: Akira Niitsuma, Shouji Nakagawa, Hirokazu Hirayama, Kunio Takechi
-
Publication number: 20140291430Abstract: A reel part is provided for a fishing reel. The reel part includes an inner member and an outer member. The inner member has a surface treatment layer. The outer member is fixed to an outer peripheral side of the inner member. The outer member includes a processed part that is processed after being fixed to the inner member.Type: ApplicationFiled: February 17, 2014Publication date: October 2, 2014Applicant: Shimano Inc.Inventors: Takuji TAKAMATSU, Kentaro HAYASHI, Shouji NAKAGAWA
-
Publication number: 20140183293Abstract: A dual-bearing reel is attachable to a fishing rod and configured to forwardly reel out a fishing line in a forward direction. The dual-bearing reel includes a reel unit, a spool, a handle and an attaching member. The reel unit includes a first main body part and a second main body part. The first main body part includes a first lateral surface, a second lateral surface being opposite to the first lateral surface, and an attachment-side surface. The second main body part includes a third lateral surface facing the first lateral surface at a predetermined interval. The attaching member includes an attaching surface facing a first direction. The first main body part includes a recessed portion extending along a first boundary portion. The first boundary portion is between the attachment-side surface and the first lateral surface. The attachment-side surface faces the first direction.Type: ApplicationFiled: November 18, 2013Publication date: July 3, 2014Applicant: Shimano Inc.Inventors: Shouji NAKAGAWA, Tomoya DEGUCHI, Kunio TAKECHI
-
Patent number: 8746604Abstract: A fishing reel for winding and releasing a fishing line includes a tubular spool being configured to wind the fishing line onto an outer periphery thereof, a spool shaft made of metal, the spool shaft being attached to an inner periphery of the spool, and a Diamond Like Carbon (DLC) layer being formed on a surface layer side of the spool shaft.Type: GrantFiled: February 7, 2012Date of Patent: June 10, 2014Assignee: Shimano Inc.Inventors: Akira Niitsuma, Shouji Nakagawa, Satoshi Ikebukuro, Ken'ichi Kawasaki
-
Patent number: 8550392Abstract: A dual-bearing reel clutch control device includes a tubular clutch cam, a clutch yoke, and a coupling yoke. The tubular clutch cam is configured to be rotated between a coupled position and a decoupled position in conjunction with movement of the clutch operating member between the first position and the second position. The clutch yoke is engaged with the clutch mechanism. The coupling member is configured to couple the tubular clutch cam and the clutch operating member, and configured to rotate the tubular clutch cam between the coupled position and the decoupled position The clutch return mechanism is coupled with the tubular clutch cam and the coupling member. The clutch return member includes a rotation member attached to a rotation shaft of the handle, a clutch return member, and a toggle spring member configured to urge the clutch return member towards either the engaged position or the disengaged position.Type: GrantFiled: August 12, 2011Date of Patent: October 8, 2013Assignee: Shimano Inc.Inventor: Shouji Nakagawa
-
Patent number: 8523096Abstract: A dual-bearing reel includes a reel unit, a handle shaft, a one-way clutch, a drag mechanism, a drag regulation member, a handle, a spool, and a rotation transmission mechanism. The one-way clutch including an outer race being attached to the reel unit, where the outer race being not rotatable to the reel unit, an inner race unitarily and rotatably coupled to the handle shaft, and rollers disposed between the outer race and the inner race. The drag mechanism includes a drag washer unitarily and rotatably coupled to the handle shaft. The handle disposed between the drag regulation member and the reel unit, and includes a through hole. The handle shaft penetrates in the through hole, and is unitarily and rotatably coupled to the inner race around the through hole. The spool is rotatably attached to the reel unit.Type: GrantFiled: August 29, 2011Date of Patent: September 3, 2013Assignee: Shimano Inc.Inventors: Kenichi Kawasaki, Shouji Nakagawa
-
Patent number: 8517299Abstract: A dual-bearing reel spool-braking device configured to brake a spool rotatably attached to a reel body having first and second side plates has a tubular brake member, a moving member, and a cover member. The tubular brake member is attached to the first or second side plate, and has a base and an opening. The brake member is disposed such that the opening is opposed to the spool. The moving member is axially non-movably attached to a rotation shaft of the spool, and contacts an inner peripheral surface of the brake member when the moving member is moved towards the brake member by centrifugal force generated by rotation of the spool. The cover member is attached to the first or second side plate to cover the opening of the brake member.Type: GrantFiled: April 5, 2010Date of Patent: August 27, 2013Assignee: Shimano Inc.Inventor: Shouji Nakagawa
-
Publication number: 20130112795Abstract: A method of manufacturing a fishing-reel reel unit including a main body member having an opening includes forming the main body member having the opening and a processing reference, accommodating a bearing mounting part in the opening where the bearing mounting part has a bearing opening and an inner peripheral surface, accommodating a bearing in the bearing opening where the bearing is fixedly mounted on the inner peripheral surface, and machining the inner peripheral surface of the bearing mounting part after the bearing is fixedly mounted on the inner peripheral surface, based on the processing reference.Type: ApplicationFiled: August 21, 2012Publication date: May 9, 2013Applicant: SHIMANO INC.Inventors: Akira NIITSUMA, Shouji NAKAGAWA, Hirokazu HIRAYAMA, Kunio TAKECHI
-
Publication number: 20120223173Abstract: A fishing reel for winding and releasing a fishing line includes a tubular spool being configured to wind the fishing line onto an outer periphery thereof, a spool shaft made of metal, the spool shaft being attached to an inner periphery of the spool, and a Diamond Like Carbon (DLC) layer being formed on a surface layer side of the spool shaft.Type: ApplicationFiled: February 7, 2012Publication date: September 6, 2012Applicant: Shimano Inc.Inventors: Akira NIITSUMA, Shouji NAKAGAWA, Satoshi IKEBUKURO, Ken'ichi KAWASAKI
-
Publication number: 20120067993Abstract: A dual-bearing reel clutch control device includes a tubular clutch cam, a clutch yoke, and a coupling yoke. The tubular clutch cam is configured to be rotated between a coupled position and a decoupled position in conjunction with movement of the clutch operating member between the first position and the second position. The clutch yoke is engaged with the clutch mechanism. The coupling member is configured to couple the tubular clutch cam and the clutch operating member, and configured to rotate the tubular clutch cam between the coupled position and the decoupled position The clutch return mechanism is coupled with the tubular clutch cam and the coupling member. The clutch return member includes a rotation member attached to a rotation shaft of the handle, a clutch return member, and a toggle spring member configured to urge the clutch return member towards either the engaged position or the disengaged position.Type: ApplicationFiled: August 12, 2011Publication date: March 22, 2012Applicant: SHIMANO INC.Inventor: Shouji NAKAGAWA
-
Publication number: 20120056028Abstract: A dual-bearing reel includes a reel unit, a handle shaft, a one-way clutch, a drag mechanism, a drag regulation member, a handle, a pool, and a rotation transmission mechanism. The one-way clutch including an outer race being attached to the reel unit, where the outer race being not rotatable to the reel unit, an inner race unitarily and rotatably coupled to the handle shaft, and rollers disposed between the outer race and the inner race. The drag mechanism includes a drag washer unitarily and rotatably coupled to the handle shaft. The handle disposed between the drag regulation member and the reel unit, and includes a through hole. The handle shaft penetrates in the through hole, and is unitarily and rotatably coupled to the inner race around the through hole. The spool is rotatably attached to the reel unit.Type: ApplicationFiled: August 29, 2011Publication date: March 8, 2012Applicant: SHIMANO INC.Inventors: Ken`ichi KAWASAKI, Shouji NAKAGAWA
-
Patent number: 8006957Abstract: The spool shaft comprises a shaft portion, two annular first annular portions arranged on opposite ends of the shaft portion, and an annular second larger diameter portion arranged on the end of the shaft portion positioned remote from a center of the spool. Each of the first annular portions and the second larger diameter portion have an outer diameter that is larger than the outer diameter of the shaft portion. The second larger diameter portion is arranged on an outward side of the first annular portion in the axial direction so as to create a space therein between the first annular portion and second larger diameter portion.Type: GrantFiled: July 29, 2009Date of Patent: August 30, 2011Assignee: Shimano Inc.Inventor: Shouji Nakagawa
-
Publication number: 20100288866Abstract: A dual-bearing reel spool-braking device configured to brake a spool rotatably attached to a reel body having first and second side plates has a tubular brake member, a moving member, and a cover member. The tubular brake member is attached to the first or second side plate, and has a base and an opening. The brake member is disposed such that the opening is opposed to the spool. The moving member is axially non-movably attached to a rotation shaft of the spool, and contacts an inner peripheral surface of the brake member when the moving member is moved towards the brake member by centrifugal force generated by rotation of the spool. The cover member is attached to the first or second side plate to cover the opening of the brake member.Type: ApplicationFiled: April 5, 2010Publication date: November 18, 2010Applicant: SHIMANO INC.Inventor: Shouji NAKAGAWA
-
Patent number: 7819353Abstract: A fishing reel has a reel unit that is mounted on the fishing rod, a spool that is rotatably attached to the reel unit, a tension detector that detects tension applied to the said fishing line, and a communication portion that transmits to a fishing information display apparatus data of the tension applied to the fishing line detected by the tension detector. The fishing information display apparatus is provided externally of a fishing reel, and receives data communicated from the fishing reel. The fishing information display apparatus includes a body member, a display portion provided in the body member, a communication portion that receives from the fishing reel data of the tension applied to the fishing line, and a controller that is displays on the display portion the data of tension received from the fishing reel. A navigator away from an angler can certainly have information of the fishing situation.Type: GrantFiled: March 10, 2009Date of Patent: October 26, 2010Assignee: Shimano Inc.Inventors: Shouji Nakagawa, Takeshi Ikuta, Hiroaki Kuriyama, Ken′ichi Kawasaki
-
Patent number: 7789336Abstract: A spool includes a tubular bobbin trunk, a pair of flanges and a boss member. The bobbin trunk has a peripheral surface extending along the axial direction of the spool so that a fishing line can be wound around the bobbin truck. The peripheral surface of the bobbin trunk includes thickened wall portions disposed on opposing sides of an axial center part of the bobbin trunk. The flanges are integrally formed with the peripheral surface of the bobbin trunk as a one-piece, unitary member. Each of the flanges extends substantially in a radially outward direction of the spool. The boss member is disposed between axial ends of the bobbin trunk and extends along the radial direction of the spool. The boss member includes a disc portion with a through-hole to receive a spool shaft. Each of the thickened wall portions has a thickness greater than other portions of the bobbin trunk.Type: GrantFiled: March 4, 2010Date of Patent: September 7, 2010Assignee: Shimano Inc.Inventors: Shouji Nakagawa, Akira Niitsuma
-
Publication number: 20100038464Abstract: The spool shaft comprises a shaft portion, two annular first annular portions arranged on opposite ends of the shaft portion, and an annular second larger diameter portion arranged on the end of the shaft portion positioned remote from a center of the spool. Each of the first annular portions and the second larger diameter portion have an outer diameter that is larger than the outer diameter of the shaft portion. The second larger diameter portion is arranged on an outward side of the first annular portion in the axial direction so as to create a space therein between the first annular portion and second larger diameter portion.Type: ApplicationFiled: July 29, 2009Publication date: February 18, 2010Applicant: Shimano Inc.Inventor: Shouji NAKAGAWA
-
Patent number: 7559499Abstract: A fishing reel has a reel unit that is mounted on the fishing rod, a spool that is rotatably attached to the reel unit, a tension detector that detects tension applied to the said fishing line, and a communication portion that transmits to a fishing information display apparatus data of the tension applied to the fishing line detected by the tension detector. The fishing information display apparatus is provided externally of a fishing reel, and receives data communicated from the fishing reel. The fishing information display apparatus includes a body member, a display portion provided in the body member, a communication portion that receives from the fishing reel data of the tension applied to the fishing line, and a controller that is displays on the display portion the data of tension received from the fishing reel. A navigator away from an angler can certainly have information of the fishing situation.Type: GrantFiled: March 9, 2005Date of Patent: July 14, 2009Assignee: Shimano Inc.Inventors: Shouji Nakagawa, Takeshi Ikuta, Hiroaki Kuriyama, Ken'ichi Kawasaki