Patents by Inventor Shuichi Matsuzawa
Shuichi Matsuzawa 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).
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Patent number: 11092878Abstract: The electronic device can be used with an accessory module that is a second device attached to a device main body that is a first device. The accessory module includes a locking member that is held so as to be able to be turned. The locking member includes a ring-shaped portion that has a plurality of claw portions and an operation portion for performing a turning operation. The device main body 1 includes a plurality of claw portions corresponding to the plurality of claw portions of the locking member. The claw portions and the claw portions engage with each other in a state in which the accessory module is attached to the device main body by the turning operation of the operation portion, and the claw portions and the claw portions are not engaged in a state in which the accessory module can be removed from the device main body.Type: GrantFiled: July 23, 2020Date of Patent: August 17, 2021Assignee: Canon Kabushiki KaishaInventors: Shuichi Matsuzawa, Hiroki Ota, Koji Ishikawa
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Patent number: 10866489Abstract: The electronic device can be used with a power source module attached to a device main body. The device main body and the power source module are electrically connected to each other by the respective connector portions. The device main body includes a connection terminal portion with a concave shape, and the power source module has a connection terminal portion with a convex shape that is fit to the connection terminal portion of the device main body. A power source terminal group is provided in a first surface, and a ground terminal group and a communication terminal group for communication with the device main body are provided in a second surface on a side opposite to the first surface, from among connection surfaces of the connection terminal portion. The ground terminal group is arranged at a position closer to the power source terminal group than to the communication terminal group.Type: GrantFiled: February 27, 2019Date of Patent: December 15, 2020Assignee: Canon Kabushiki KaishaInventors: Hiroki Ota, Shuichi Matsuzawa, Koji Ishikawa
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Patent number: 10859892Abstract: The electronic device can be used with an accessory module that is a second device attached to a device main body that is a first device. The accessory module includes a locking member that is held so as to be able to be turned. The locking member includes a ring-shaped portion that has a plurality of claw portions and an operation portion for performing a turning operation. The device main body 1 includes a plurality of claw portions corresponding to the plurality of claw portions of the locking member. The claw portions and the claw portions engage with each other in a state in which the accessory module is attached to the device main body by the turning operation of the operation portion, and the claw portions and the claw portions are not engaged in a state in which the accessory module can be removed from the device main body.Type: GrantFiled: February 15, 2019Date of Patent: December 8, 2020Assignee: Canon Kabushiki KaishaInventors: Shuichi Matsuzawa, Hiroki Ota, Koji Ishikawa
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Publication number: 20200355988Abstract: The electronic device can be used with an accessory module that is a second device attached to a device main body that is a first device. The accessory module includes a locking member that is held so as to be able to be turned. The locking member includes a ring-shaped portion that has a plurality of claw portions and an operation portion for performing a turning operation. The device main body 1 includes a plurality of claw portions corresponding to the plurality of claw portions of the locking member. The claw portions and the claw portions engage with each other in a state in which the accessory module is attached to the device main body by the turning operation of the operation portion, and the claw portions and the claw portions are not engaged in a state in which the accessory module can be removed from the device main body.Type: ApplicationFiled: July 23, 2020Publication date: November 12, 2020Inventors: Shuichi Matsuzawa, Hiroki Ota, Koji Ishikawa
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Publication number: 20190196303Abstract: The electronic device can be used with a power source module attached to a device main body. The device main body and the power source module are electrically connected to each other by the respective connector portions. The device main body includes a connection terminal portion with a concave shape, and the power source module has a connection terminal portion with a convex shape that is fit to the connection terminal portion of the device main body. A power source terminal group is provided in a first surface, and a ground terminal group and a communication terminal group for communication with the device main body are provided in a second surface on a side opposite to the first surface, from among connection surfaces of the connection terminal portion. The ground terminal group is arranged at a position closer to the power source terminal group than to the communication terminal group.Type: ApplicationFiled: February 27, 2019Publication date: June 27, 2019Inventors: Hiroki Ota, Shuichi Matsuzawa, Koji Ishikawa
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Publication number: 20190179213Abstract: The electronic device can be used with an accessory module that is a second device attached to a device main body that is a first device. The accessory module includes a locking member that is held so as to be able to be turned. The locking member includes a ring-shaped portion that has a plurality of claw portions and an operation portion for performing a turning operation. The device main body 1 includes a plurality of claw portions corresponding to the plurality of claw portions of the locking member. The claw portions and the claw portions engage with each other in a state in which the accessory module is attached to the device main body by the turning operation of the operation portion, and the claw portions and the claw portions are not engaged in a state in which the accessory module can be removed from the device main body.Type: ApplicationFiled: February 15, 2019Publication date: June 13, 2019Inventors: Shuichi Matsuzawa, Hiroki Ota, Koji Ishikawa
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Patent number: 10261396Abstract: The electronic device can be used with a power source module attached to a device main body. The device main body and the power source module are electrically connected to each other by the respective connector portions. The device main body includes a connection terminal portion with a concave shape, and the power source module has a connection terminal portion with a convex shape that is fit to the connection terminal portion of the device main body. A power source terminal group is provided in a first surface, and a ground terminal group and a communication terminal group for communication with the device main body are provided in a second surface on a side opposite to the first surface, from among connection surfaces of the connection terminal portion. The ground terminal group is arranged at a position closer to the power source terminal group than to the communication terminal group.Type: GrantFiled: April 4, 2018Date of Patent: April 16, 2019Assignee: Canon Kabushiki KaishaInventors: Hiroki Ota, Shuichi Matsuzawa, Koji Ishikawa
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Patent number: 10254629Abstract: The electronic device can be used with an accessory module that is a second device attached to a device main body that is a first device. The accessory module includes a locking member that is held so as to be able to be turned. The locking member includes a ring-shaped portion that has a plurality of claw portions and an operation portion for performing a turning operation. The device main body 1 includes a plurality of claw portions corresponding to the plurality of claw portions of the locking member. The claw portions and the claw portions engage with each other in a state in which the accessory module is attached to the device main body by the turning operation of the operation portion, and the claw portions and the claw portions are not engaged in a state in which the accessory module can be removed from the device main body.Type: GrantFiled: April 4, 2018Date of Patent: April 9, 2019Assignee: Canon Kabushiki KaishaInventors: Shuichi Matsuzawa, Hiroki Ota, Koji Ishikawa
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Publication number: 20180224717Abstract: The electronic device can be used with an accessory module that is a second device attached to a device main body that is a first device. The accessory module includes a locking member that is held so as to be able to be turned. The locking member includes a ring-shaped portion that has a plurality of claw portions and an operation portion for performing a turning operation. The device main body 1 includes a plurality of claw portions corresponding to the plurality of claw portions of the locking member. The claw portions and the claw portions engage with each other in a state in which the accessory module is attached to the device main body by the turning operation of the operation portion, and the claw portions and the claw portions are not engaged in a state in which the accessory module can be removed from the device main body.Type: ApplicationFiled: April 4, 2018Publication date: August 9, 2018Inventors: Shuichi Matsuzawa, Hiroki Ota, Koji Ishikawa
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Publication number: 20180224718Abstract: The electronic device can be used with a power source module attached to a device main body. The device main body and the power source module are electrically connected to each other by the respective connector portions. The device main body includes a connection terminal portion with a concave shape, and the power source module has a connection terminal portion with a convex shape that is fit to the connection terminal portion of the device main body. A power source terminal group is provided in a first surface, and a ground terminal group and a communication terminal group for communication with the device main body are provided in a second surface on a side opposite to the first surface, from among connection surfaces of the connection terminal portion. The ground terminal group is arranged at a position closer to the power source terminal group than to the communication terminal group.Type: ApplicationFiled: April 4, 2018Publication date: August 9, 2018Inventors: Hiroki Ota, Shuichi Matsuzawa, Koji Ishikawa
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Patent number: 8787749Abstract: An electronic apparatus includes an exterior cover including a strap attachment portion, a circuit board on which an electric element that generates heat is mounted, and a chassis member to which the circuit board is fixed and through which the heat generated by the electric element is transferred. The chassis member is formed of a metallic material, and the chassis member includes a reinforcing portion arranged to overlap the strap attachment portion to reinforce the strap attachment portion. The reinforcing portion is disposed to be exposed inside the strap attachment portion.Type: GrantFiled: August 17, 2012Date of Patent: July 22, 2014Assignee: Canon Kabushiki KaishaInventor: Shuichi Matsuzawa
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Patent number: 8743277Abstract: An electronic apparatus includes an operation member movable from an initial position with respect to an apparatus body, a first elastic member configured to be deformed from a first state to a second state when the operation member is moved from the initial position and to restore the operation member to the initial position with a force produced to return from the second state to the first state, a second elastic member configured to be held by the first elastic member when the first elastic member is in the first state, and a contact portion configured not to come into contact with the second elastic member when the operation member is at the initial position and to come into contact with the second elastic member when the operation member is moved from the initial position.Type: GrantFiled: May 31, 2012Date of Patent: June 3, 2014Assignee: Canon Kabushiki KaishaInventors: Shuichi Matsuzawa, Takazumi Seo
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Publication number: 20130051786Abstract: An electronic apparatus includes an exterior cover including a strap attachment portion, a circuit board on which an electric element that generates heat is mounted, and a chassis member to which the circuit board is fixed and through which the heat generated by the electric element is transferred. The chassis member is formed of a metallic material, and the chassis member includes a reinforcing portion arranged to overlap the strap attachment portion to reinforce the strap attachment portion. The reinforcing portion is disposed to be exposed inside the strap attachment portion.Type: ApplicationFiled: August 17, 2012Publication date: February 28, 2013Applicant: CANON KABUSHIKI KAISHAInventor: Shuichi Matsuzawa
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Publication number: 20120307138Abstract: An electronic apparatus includes an operation member movable from an initial position with respect to an apparatus body, a first elastic member configured to be deformed from a first state to a second state when the operation member is moved from the initial position and to restore the operation member to the initial position with a force produced to return from the second state to the first state, a second elastic member configured to be held by the first elastic member when the first elastic member is in the first state, and a contact portion configured not to come into contact with the second elastic member when the operation member is at the initial position and to come into contact with the second elastic member when the operation member is moved from the initial position.Type: ApplicationFiled: May 31, 2012Publication date: December 6, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Shuichi Matsuzawa, Takazumi Seo
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Patent number: 7110039Abstract: An image pickup apparatus includes an electronic-flash charging capacitor and first and second battery storage areas separately disposed from each other so as to have the electronic-flash charging capacitor sandwiched therebetween.Type: GrantFiled: December 9, 2002Date of Patent: September 19, 2006Assignee: Canon Kabushiki KaishaInventor: Shuichi Matsuzawa
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Patent number: 7086621Abstract: A fishing reel includes: a spool rotatably supported in a reel main body; a support member integrally rotating with the spool; a plurality of brake members slidably supported to the support member; and a brake surface provided in the reel main body, the brake surface being slidingly contactable with the brake members; wherein according to the rotation of the spool, an urging force is applied to the brake members in a direction where the brake members move away from the brake surface, and the brake members is slidingly contactable with the brake surface against the urging force, when a centrifugal force more than a predetermined value is applied to the spool.Type: GrantFiled: October 27, 1998Date of Patent: August 8, 2006Assignee: Daiwa Seiko, Inc.Inventors: Shuichi Matsuzawa, Harumichi Oishi, Takenori Otsu, Naoyuki Ezuka
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Publication number: 20030152826Abstract: An electronic device includes a battery lid (9) which is openably/closeably formed at an opening of a battery housing chamber where a battery (6) is to be loaded removably and which has an engaging portion, at its position where the battery lid closes the opening, for keeping the opening closed, and an electrode plate (8) formed of a conductive member held by the battery lid (9) so as to be in contact with an electrode of the battery (6) when the battery lid (9) is in the closed state, wherein the electrode plate (8) has a contact portion (8a) extending integrally from its base which is held by the battery lid (9) so as to come into contact with the electrode of the battery (9), and is made of an elastic body that resists a pressing force applied by the electrode of the battery (6) when the battery lid (9) is closed with the battery (6) being housed in the battery housing chamber.Type: ApplicationFiled: February 13, 2003Publication date: August 14, 2003Inventor: Shuichi Matsuzawa
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Publication number: 20030112362Abstract: An image pickup apparatus includes an electronic-flash charging capacitor and first and second battery storage areas separately disposed from each other so as to have the electronic-flash charging capacitor sandwiched therebetween.Type: ApplicationFiled: December 9, 2002Publication date: June 19, 2003Applicant: CANON KABUSHIKI KAISHAInventor: Shuichi Matsuzawa
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Patent number: 6412723Abstract: A spool shaft 2 supported between reel side-plates 3 and 4 and a spool 1 secured to the spool shaft 2 in a double bearing reel for fishing are integrally formed of the same material.Type: GrantFiled: January 13, 2000Date of Patent: July 2, 2002Assignee: Daiwa Seiko, Inc.Inventors: Nobuyuki Yamaguchi, Shuichi Matsuzawa, Masayoshi Fujii, Shinichi Asano
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Patent number: 6086005Abstract: A fishing reel is provided which is capable of preventing noise and rapid change in the rotational speed of the spool which take place when a casting operation is performed, controlling backlash of a fishing line by a person even if the person is not skilled in the casting operation and maintaining the distance for which the tackle can be thrown.Type: GrantFiled: March 9, 1998Date of Patent: July 11, 2000Assignee: Daiwa Seiko, Inc.Inventors: Mikiharu Kobayashi, Nobuyuki Yamaguchi, Shuichi Matsuzawa