Patents by Inventor Kenji Mashimo
Kenji Mashimo 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: 8920887Abstract: A method of bonding a conductive material to stainless steel includes: a first step of applying a conductive paste to a surface of a base plate made of the stainless steel; and a second step of removing, in an area located within the surface of the base plate and covered with the conductive paste, a part of a passivation film on a surface of the stainless steel without allowing a base material of the stainless steel of the base plate to come into contact with air. The removing of the passivation film is achieved, for example, by irradiation of laser light.Type: GrantFiled: December 29, 2011Date of Patent: December 30, 2014Assignee: Suncall CorporationInventors: Kenji Mashimo, Syuuichi Kashimoto
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Patent number: 8550029Abstract: A fluid agent applying multi-vent nozzle is capable of densely disposing ejecting vents. The multi-vent nozzle has a main body configured in a casing block, a raised surface provided at a distal end of the casing block, contoured and dimensioned corresponding to a target area to apply fluid agent to, and a plurality of ejecting vents defined in the raised surface.Type: GrantFiled: February 14, 2011Date of Patent: October 8, 2013Assignee: Suncall CorporationInventor: Kenji Mashimo
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Patent number: 8427789Abstract: The present invention provides a magnetic head suspension, wherein a supporting portion such as an arm or base plate includes a pair of supporting pieces extending from its opposite sides in the widthwise direction to a tip-end side of the suspension, and a concave portion which is defined by the pair of supporting pieces and is opened toward the tip-end side of the suspension, there is provided an elastically-deformable elastic plate which is connected to the pair of supporting pieces at a first end and a second end in the widthwise direction of the magnetic head suspension, the member forming the load beam portion is connected to the elastic plate, and the elastic plate forms the load bending portion.Type: GrantFiled: May 11, 2012Date of Patent: April 23, 2013Assignee: Suncall CorporationInventors: Satoru Takasugi, Yasuo Fujimoto, Kenji Mashimo
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Patent number: 8427788Abstract: The present invention provides a magnetic head suspension, wherein a supporting portion such as an arm or base plate includes a pair of supporting pieces extending from its opposite sides in the widthwise direction to a tip-end side of the suspension, and a concave portion which is defined by the pair of supporting pieces and is opened toward the tip-end side of the suspension, there is provided an elastically-deformable elastic plate which is connected to the pair of supporting pieces at a first end and a second end in the widthwise direction of the magnetic head suspension, the member forming the load beam portion is connected to the elastic plate, and the elastic plate forms the load bending portion.Type: GrantFiled: May 11, 2012Date of Patent: April 23, 2013Assignee: Suncall CorporationInventors: Satoru Takasugi, Yasuo Fujimoto, Kenji Mashimo
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Patent number: 8369047Abstract: A flexure metal plate includes distal and proximal end side-center-support plate forming regions that are positioned on distal and proximal sides within an open section. To a distal end section of a supporting part that is positioned on a distal side of the open section, first and second-distal side-metal plates are fixed so as to be positioned on an outer side of the distal end side-center-support plate forming region in a width direction, and to a proximal end section of the supporting part that is positioned on a proximal side of the open section, first and second-proximal side-metal plates are fixed so as to be positioned on an outer side of the proximal end side-center-support plate forming region in the width direction. The first and second-distal side-metal plates form a distal end side-support plate in cooperation with the distal end side-center-support plate forming region.Type: GrantFiled: April 7, 2011Date of Patent: February 5, 2013Assignee: Suncall CorporationInventors: Yasuo Fujimoto, Satoru Takasugi, Kenji Mashimo
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Patent number: 8351161Abstract: The present invention provides a magnetic head suspension, wherein a supporting portion such as an arm or base plate includes a pair of supporting pieces extending from its opposite sides in the widthwise direction to a tip-end side of the suspension, and a concave portion which is defined by the pair of supporting pieces and is opened toward the tip-end side of the suspension, there is provided an elastically-deformable elastic plate which is connected to the pair of supporting pieces at a first end and a second end in the widthwise direction of the magnetic head suspension, the member forming the load beam portion is connected to the elastic plate, and the elastic plate forms the load bending portion.Type: GrantFiled: May 11, 2012Date of Patent: January 8, 2013Assignee: Suncall CorporationInventors: Satoru Takasugi, Yasuo Fujimoto, Kenji Mashimo
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Publication number: 20120236438Abstract: The present invention provides a magnetic head suspension, wherein a supporting portion such as an arm or base plate includes a pair of supporting pieces extending from its opposite sides in the widthwise direction to a tip-end side of the suspension, and a concave portion which is defined by the pair of supporting pieces and is opened toward the tip-end side of the suspension, there is provided an elastically-deformable elastic plate which is connected to the pair of supporting pieces at a first end and a second end in the widthwise direction of the magnetic head suspension, the member forming the load beam portion is connected to the elastic plate, and the elastic plate forms the load bending portion.Type: ApplicationFiled: May 11, 2012Publication date: September 20, 2012Applicant: Suncall CorporationInventors: Satoru TAKASUGI, Yasuo Fujimoto, Kenji Mashimo
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Patent number: 8270121Abstract: The present invention provides a magnetic head suspension, wherein a supporting portion such as an arm or base plate includes a pair of supporting pieces extending from its opposite sides in the widthwise direction to a tip-end side of the suspension, and a concave portion which is defined by the pair of supporting pieces and is opened toward the tip-end side of the suspension, there is provided an elastically-deformable elastic plate which is connected to the pair of supporting pieces at a first end and a second end in the widthwise direction of the magnetic head suspension, the member forming the load beam portion is connected to the elastic plate, and the elastic plate forms the load bending portion.Type: GrantFiled: May 11, 2012Date of Patent: September 18, 2012Assignee: Suncall CorporationInventors: Satoru Takasugi, Yasuo Fujimoto, Kenji Mashimo
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Publication number: 20120224280Abstract: The present invention provides a magnetic head suspension, wherein a supporting portion such as an arm or base plate includes a pair of supporting pieces extending from its opposite sides in the widthwise direction to a tip-end side of the suspension, and a concave portion which is defined by the pair of supporting pieces and is opened toward the tip-end side of the suspension, there is provided an elastically-deformable elastic plate which is connected to the pair of supporting pieces at a first end and a second end in the widthwise direction of the magnetic head suspension, the member forming the load beam portion is connected to the elastic plate, and the elastic plate forms the load bending portion.Type: ApplicationFiled: May 11, 2012Publication date: September 6, 2012Applicant: Suncall CorporationInventors: Satoru TAKASUGI, Yasuo FUJIMOTO, Kenji MASHIMO
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Publication number: 20120218664Abstract: The present invention provides a magnetic head suspension, wherein a supporting portion such as an arm or base plate includes a pair of supporting pieces extending from its opposite sides in the widthwise direction to a tip-end side of the suspension, and a concave portion which is defined by the pair of supporting pieces and is opened toward the tip-end side of the suspension, there is provided an elastically-deformable elastic plate which is connected to the pair of supporting pieces at a first end and a second end in the widthwise direction of the magnetic head suspension, the member forming the load beam portion is connected to the elastic plate, and the elastic plate forms the load bending portion.Type: ApplicationFiled: May 11, 2012Publication date: August 30, 2012Applicant: Suncall CorporationInventors: Satoru TAKASUGI, Yasuo FUJIMOTO, Kenji MASHIMO
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Publication number: 20120218665Abstract: The present invention provides a magnetic head suspension, wherein a supporting portion such as an arm or base plate includes a pair of supporting pieces extending from its opposite sides in the widthwise direction to a tip-end side of the suspension, and a concave portion which is defined by the pair of supporting pieces and is opened toward the tip-end side of the suspension, there is provided an elastically-deformable elastic plate which is connected to the pair of supporting pieces at a first end and a second end in the widthwise direction of the magnetic head suspension, the member forming the load beam portion is connected to the elastic plate, and the elastic plate forms the load bending portion.Type: ApplicationFiled: May 11, 2012Publication date: August 30, 2012Applicant: Suncall CorporationInventors: Satoru Takasugi, Yasuo Fujimoto, Kenji Mashimo
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Patent number: 8248735Abstract: In a magnetic head suspension, a piezoelectric element is disposed within a supporting part's open section so that at least a part of its distal-side end surface faces a distal-side wall surface of the supporting part's distal end section forming a distal-side gap between the distal-side end surface and the distal-side wall surface and at least a part of its proximal-side end surface faces a proximal-side wall surface of the supporting part's proximal end section forming a proximal-side gap between the proximal-side end surface and the proximal-side wall surface in a state where the piezoelectric element's upper and lower electrode layers do not face the supporting part and any rigid members that are fixed to the supporting part. The piezoelectric element is fixed to the supporting part by a distal-side insulative adhesive agent and a proximal-side insulative adhesive agent.Type: GrantFiled: August 27, 2010Date of Patent: August 21, 2012Assignee: Suncall CorporationInventors: Yasuo Fujimoto, Satoru Takasugi, Kenji Mashimo
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Publication number: 20120196152Abstract: A method of bonding a conductive material to stainless steel includes: a first step of applying a conductive paste to a surface of a base plate made of the stainless steel; and a second step of removing, in an area located within the surface of the base plate and covered with the conductive paste, a part of a passivation film on a surface of the stainless steel without allowing a base material of the stainless steel of the base plate to come into contact with air. The removing of the passivation film is achieved, for example, by irradiation of laser light.Type: ApplicationFiled: December 29, 2011Publication date: August 2, 2012Inventors: Kenji MASHIMO, Syuuichi KASHIMOTO
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Patent number: 8203807Abstract: The present invention provides a magnetic head suspension, wherein a supporting portion such as an arm or base plate includes a pair of supporting pieces extending from its opposite sides in the widthwise direction to a tip-end side of the suspension, and a concave portion which is defined by the pair of supporting pieces and is opened toward the tip-end side of the suspension, there is provided an elastically-deformable elastic plate which is connected to the pair of supporting pieces at a first end and a second end in the widthwise direction of the magnetic head suspension, the member forming the load beam portion is connected to the elastic plate, and the elastic plate forms the load bending portion.Type: GrantFiled: February 8, 2008Date of Patent: June 19, 2012Assignee: Suncall CorporationInventors: Satoru Takasugi, Yasuo Fujimoto, Kenji Mashimo
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Patent number: 8159789Abstract: It is an object to achieve prevention of lowering resonant frequency and improved production efficiency while achieving reduction in weight of a supporting part with a boss portion and reduction in thickness at area at which the boss portion is located. In the present invention, the supporting part includes a first supporting member with which a load bending part is connected, and a second supporting member with the boss portion and a main body region extended radially outward from the boss portion. At least one of the inner periphery of the mount hole and the outer periphery of the main body region is integrally provided with a rib region.Type: GrantFiled: January 21, 2010Date of Patent: April 17, 2012Assignee: Suncall CorporationInventors: Yasuo Fujimoto, Kenji Mashimo
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Publication number: 20110253039Abstract: The present invention is directed to a fluid agent applying multi-vent nozzle capable of densely disposing ejecting vents, and the multi-vent nozzle comprises a main body configured in a casing block, a raised surface provided at a distal end of the casing block, and contoured and dimensioned corresponding to a target area to apply fluid agent to, and a plurality of ejecting vents defined in the raised surface.Type: ApplicationFiled: February 14, 2011Publication date: October 20, 2011Inventor: Kenji MASHIMO
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Publication number: 20110249366Abstract: A flexure metal plate includes distal and proximal end side-center-support plate forming regions that are positioned on distal and proximal sides within an open section. To a distal end section of a supporting part that is positioned on a distal side of the open section, first and second-distal side-metal plates are fixed so as to be positioned on an outer side of the distal end side-center-support plate forming region in a width direction, and to a proximal end section of the supporting part that is positioned on a proximal side of the open section, first and second-proximal side-metal plates are fixed so as to be positioned on an outer side of the proximal end side-center-support plate forming region in the width direction.Type: ApplicationFiled: April 7, 2011Publication date: October 13, 2011Applicant: Suncall CorporationInventors: Yasuo Fujimoto, Satoru Takasugi, Kenji Mashimo
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Publication number: 20110058282Abstract: In a magnetic head suspension according to the present invention, each of paired piezoelectric elements is disposed within an open section of a supporting part so that at least a part of its distal-side end surface faces a distal-side wall surface of the distal end section of the supporting part with having a distal-side gap between the distal-side end surface and the distal-side wall surface and at least a part of its proximal-side end surface faces a proximal-side wall surface of the proximal end section of the supporting part with having a proximal-side gap between the proximal-side end surface and the proximal-side wall surface in a state where both of upper and lower electrode layers of the piezoelectric element do not face the supporting part and any rigid members that are fixed to the supporting part.Type: ApplicationFiled: August 27, 2010Publication date: March 10, 2011Applicant: Suncall CorporationInventors: Yasuo Fujimoto, Satoru Takasugi, Kenji Mashimo
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Publication number: 20100202087Abstract: It is an object to achieve prevention of lowering resonant frequency and improved production efficiency while achieving reduction in weight of a supporting part with a boss portion and reduction in thickness at area at which the boss portion is located. In the present invention, the supporting part includes a first supporting member with which a load bending part is connected, and a second supporting member with the boss portion and a main body region extended radially outward from the boss portion. At least one of the inner periphery of the mount hole and the outer periphery of the main body region is integrally provided with a rib region.Type: ApplicationFiled: January 21, 2010Publication date: August 12, 2010Applicant: SUNCALL CORPORATIONInventors: Yasuo FUJIMOTO, Kenji Mashimo
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Publication number: 20080192383Abstract: The present invention provides a magnetic head suspension, wherein a supporting portion such as an arm or base plate includes a pair of supporting pieces extending from its opposite sides in the widthwise direction to a tip-end side of the suspension, and a concave portion which is defined by the pair of supporting pieces and is opened toward the tip-end side of the suspension, there is provided an elastically-deformable elastic plate which is connected to the pair of supporting pieces at a first end and a second end in the widthwise direction of the magnetic head suspension, the member forming the load beam portion is connected to the elastic plate, and the elastic plate forms the load bending portion.Type: ApplicationFiled: February 8, 2008Publication date: August 14, 2008Applicant: Suncall CorporationInventors: Satoru TAKASUGI, Yasuo Fujimoto, Kenji Mashimo