Patents by Inventor Koki Takasawa
Koki Takasawa 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: 8976632Abstract: presenting A timepiece faceplate includes a plate-shaped member provided on one surface with a ridge having a function for reflecting and scattering incident light, which is made of a material having optical transmission properties; and a layer in which numerous powder particles having a function for reflecting light are dispersed and which faces a surface opposite from the surface on which the ridge of the plate-shaped member is provided. The plate-shaped member and the layer of the timepiece faceplate are superimposed when viewed from above.Type: GrantFiled: December 20, 2011Date of Patent: March 10, 2015Assignee: Seiko Epson CorporationInventors: Koki Takasawa, Takumi Oshio
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Patent number: 8917579Abstract: To provide a timepiece dial that presents a rich stereoscopic effect, and to provide a timepiece comprising the timepiece dial, the timepiece dial of the invention comprises a microlens layer composed of a plurality of microlenses arranged in an orderly fashion as viewed in a planar view, and a decorative layer composed of a repeating design having a plurality of constituent units. As viewed in a planar view, the microlens layer and the decorative layer are superimposed, and the decorative layer has regions where pitches of the constituent units that are adjacent are different from each other.Type: GrantFiled: August 8, 2012Date of Patent: December 23, 2014Assignee: Seiko Epson CorporationInventor: Koki Takasawa
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Patent number: 8879369Abstract: To provide a timepiece faceplate having appropriate light permeability with excellent aesthetic appearance having glittering property, and an electrical timepiece equipped with a solar battery, a timepiece faceplate of the invention includes a faceplate main body that has light permeability, and a glittering layer that is provided on either one of a front surface side and a back surface side of the faceplate main body and is configured by dispersing a glittering powder into a light permeable resin. The glittering powder is configured by laminating a metallic oxide film above one surface side of a plate shaped base material, which has light permeability, and the glittering powder is a lamination powder that an average grain diameter is more than 10 ?m and less than 90 ?m.Type: GrantFiled: June 20, 2013Date of Patent: November 4, 2014Assignee: Seiko Epson CorporationInventor: Koki Takasawa
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Publication number: 20140029392Abstract: To provide a timepiece faceplate having appropriate light permeability with excellent aesthetic appearance having glittering property, and an electrical timepiece equipped with a solar battery, a timepiece faceplate of the invention includes a faceplate main body that has light permeability, and a glittering layer that is provided on either one of a front surface side and a back surface side of the faceplate main body and is configured by dispersing a glittering powder into a light permeable resin. The glittering powder is configured by laminating a metallic oxide film above one surface side of a plate shaped base material, which has light permeability, and the glittering powder is a lamination powder that an average grain diameter is more than 10 ?m and less than 90 ?m.Type: ApplicationFiled: June 20, 2013Publication date: January 30, 2014Inventor: Koki TAKASAWA
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Patent number: 8475036Abstract: To provide a timepiece face created by bonding a plurality of substrates configured primarily from polycarbonate, excellent bonding strength being achieved between substrates and air bubbles being effectively prevented from forming in the bond layer, and a timepiece including the timepiece face, a timepiece face according to the invention includes a first substrate configured primarily from polycarbonate; a second substrate configured primarily from polycarbonate; and a bond layer for bonding the first substrate and the second substrate.Type: GrantFiled: March 5, 2012Date of Patent: July 2, 2013Assignee: Seiko Epson CorporationInventor: Koki Takasawa
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Patent number: 8427909Abstract: A timepiece dial has excellent transparency to electromagnetic waves (radio and light), and an excellent appearance, a timepiece dial manufacturing method enables manufacturing the timepiece dial, and a timepiece has the timepiece dial. The timepiece dial 1 has a substrate 2 that is electromagnetically transparent, and a dispersion film 3 containing a dispersion of metal powder 31 with an average particle diameter of 5 ?m?20 ?m and an average particle thickness of 30 nm?50 nm. The average thickness of the dispersion film 3 is 0.5 ?m?3.0 ?m. The metal powder 31 is disposed with a specific gap therebetween in the through-thickness direction of the dispersion film 3.Type: GrantFiled: August 12, 2011Date of Patent: April 23, 2013Assignee: Seiko Epson CorporationInventor: Koki Takasawa
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Publication number: 20130070574Abstract: To provide a timepiece rotating display member that presents an appearance with a rich stereoscopic effect, and to provide a timepiece including the timepiece rotating display member, a timepiece rotating display member of the invention includes a microlens layer formed with a plurality of microlenses which are arranged in an orderly fashion as viewed in a planar view; and a decorative layer formed with a repeating design and/or a design having a plurality of lines; wherein the microlens layer and the decorative layer are superimposed as viewed in a planar view. It is preferable that the timepiece rotating display member is a date disc, a day disc, an age-of-the-moon disc or a disc hand.Type: ApplicationFiled: August 8, 2012Publication date: March 21, 2013Applicant: SEIKO EPSON CORPORATIONInventor: Koki TAKASAWA
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Publication number: 20130064048Abstract: To provide a timepiece dial that presents a rich stereoscopic effect, and to provide a timepiece including the timepiece dial, a timepiece dial of the invention has a microlens layer in which a plurality of microlenses are arranged in an orderly fashion when viewed from above, and a decorative layer provided with a design, in which the microlens layer and the decorative layer are superimposed when viewed from above, and the decorative layer has a plurality of regions that are different in the design from each other. Preferably, the decorative layer is provided with a design having a plurality of lines and/or a repeating design having the same arrangement as the microlenses and a pitch that differs from that of the microlenses as the design.Type: ApplicationFiled: August 8, 2012Publication date: March 14, 2013Applicant: SEIKO EPSON CORPORATIONInventor: Koki TAKASAWA
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Publication number: 20130051196Abstract: To provide a timepiece dial that presents an appearance with a rich stereoscopic effect, and to provide a timepiece including the timepiece dial, a timepiece dial of the present invention includes a microlens layer formed with a plurality of microlenses which are arranged in an orderly fashion in a planar view; and a decorative layer formed with a design having a plurality of lines. The microlens layer and the decorative layer are superimposed as viewed in a planar view of the timepiece dial. A pitch of adjacent lines of the design changes along a longitudinal direction of a linear reference line.Type: ApplicationFiled: August 8, 2012Publication date: February 28, 2013Applicant: SEIKO EPSON CORPORATIONInventor: Koki TAKASAWA
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Publication number: 20130044573Abstract: To provide a timepiece dial that presents a rich stereoscopic effect, and to provide a timepiece comprising the timepiece dial, the timepiece dial of the invention comprises a microlens layer composed of a plurality of microlenses arranged in an orderly fashion as viewed in a planar view, and a decorative layer composed of a repeating design having a plurality of constituent units. As viewed in a planar view, the microlens layer and the decorative layer are superimposed, and the decorative layer has regions where pitches of the constituent units that are adjacent are different from each other.Type: ApplicationFiled: August 8, 2012Publication date: February 21, 2013Applicant: SEIKO EPSON CORPORATIONInventor: Koki TAKASAWA
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Patent number: 8303168Abstract: A device has a magnetically shielded component that is magnetically shielded from an external magnetic field, and a housing. The housing is made from a ferritic stainless steel that has an austenitized surface layer rendered on the surface, and an internal layer portion having an internal ferrite phase that functions as a magnetic shield for the magnetically shielded component.Type: GrantFiled: September 11, 2008Date of Patent: November 6, 2012Assignee: Seiko Epson CorporationInventor: Koki Takasawa
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Publication number: 20120230166Abstract: To provide a timepiece face created by bonding a plurality of substrates configured primarily from polycarbonate, excellent bonding strength being achieved between substrates and air bubbles being effectively prevented from forming in the bond layer, and a timepiece including the timepiece face, a timepiece face according to the invention includes a first substrate configured primarily from polycarbonate; a second substrate configured primarily from polycarbonate; and a bond layer for bonding the first substrate and the second substrate.Type: ApplicationFiled: March 5, 2012Publication date: September 13, 2012Applicant: SEIKO EPSON CORPORATIONInventor: Koki TAKASAWA
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Publication number: 20120163135Abstract: To provide a timepiece faceplate that presents a rich stereoscopic effect, and to provide a timepiece comprising the timepiece faceplate, a timepiece faceplate 1 of the invention includes a microlens layer 11 in which a plurality of microlenses 111 are arranged in an orderly fashion as viewed from above; and a decorative layer 12 provided with a repeating design 121 having the same arrangement as the microlenses 111 and a pitch that differs from that of the microlenses 111. The microlens layer 11 and the decorative layer 12 are superimposed when the timepiece faceplate 1 is viewed from above. In a case that the centers of microlenses 111 that are adjacent when the faceplate 1 is viewed from above are connected by a straight line, the timepiece faceplate 1 has a plurality of triangles arranged in an orderly fashion in accordance with the straight line.Type: ApplicationFiled: December 20, 2011Publication date: June 28, 2012Applicant: SEIKO EPSON CORPORATIONInventor: Koki TAKASAWA
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Publication number: 20120155225Abstract: To provide a timepiece faceplate presenting a furred appearance that has been impossible to achieve in the past, and to provide a timepiece provided with the timepiece faceplate. A timepiece faceplate 1 of the invention comprises a plate-shaped member 11 provided on one surface 111 with a ridge 113 having a function for reflecting and scattering incident light, the plate-shaped member 11 made of a material having optical transmission properties; and a layer 12 in which numerous powder particles 121 having a function for reflecting light are dispersed on a surface 112 opposite from the surface 111 on which the ridge 113 of the plate-shaped member 11 is provided. The plate-shaped member 11 and the layer 12 of the timepiece faceplate 1 are superimposed when viewed from above.Type: ApplicationFiled: December 20, 2011Publication date: June 21, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Koki TAKASAWA, Takumi OSHIO
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Publication number: 20120044788Abstract: A timepiece dial has excellent transparency to electromagnetic waves (radio and light), and an excellent appearance, a timepiece dial manufacturing method enables manufacturing the timepiece dial, and a timepiece has the timepiece dial. The timepiece dial 1 has a substrate 2 that is electromagnetically transparent, and a dispersion film 3 containing a dispersion of metal powder 31 with an average particle diameter of 5 ?m?20 ?m and an average particle thickness of 30 nm?50 nm. The average thickness of the dispersion film 3 is 0.5 ?m?3.0 ?m. The metal powder 31 is disposed with a specific gap therebetween in the through-thickness direction of the dispersion film 3.Type: ApplicationFiled: August 12, 2011Publication date: February 23, 2012Applicant: SEIKO EPSON CORPORATIONInventor: Koki Takasawa
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Patent number: 7619948Abstract: A timepiece dial which is transmissive to electromagnetic waves (radio waves, light) and is superior in terms of aesthetic appearance and durability, and to provide a timepiece equipped with this timepiece dial. The timepiece dial of the present invention has a glass fiber sheet primarily composed of glass fibers, a first film disposed on the side of a first face constituting one of the principal faces of the glass fiber sheet, and a second film disposed on the side of a second face constituting the other principal face of the glass fiber sheet.Type: GrantFiled: July 5, 2006Date of Patent: November 17, 2009Assignee: Seiko Epson CorporationInventor: Koki Takasawa
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Publication number: 20090073815Abstract: A device has a magnetically shielded component that is magnetically shielded from an external magnetic field, and a housing. The housing is made from a ferritic stainless steel that has an austenitized surface layer rendered on the surface, and an internal layer portion having an internal ferrite phase that functions as a magnetic shield for the magnetically shielded component.Type: ApplicationFiled: September 11, 2008Publication date: March 19, 2009Applicant: SEIKO EPSON CORPORATIONInventor: Koki Takasawa
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Publication number: 20070217293Abstract: A decorative product having a base member composed of primarily an Fe—Cr alloy, and an austenite layer that is austenitized by adding nitrogen atoms near the surface of the base member.Type: ApplicationFiled: March 12, 2007Publication date: September 20, 2007Applicant: Seiko Epson CorporationInventor: Koki Takasawa
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Publication number: 20070008828Abstract: It is an object of the present invention to provide a timepiece dial which is transmissive to electromagnetic waves (radio waves, light) and is superior in terms of aesthetic appearance and durability, and to provide a timepiece equipped with this timepiece dial. The timepiece dial of the present invention has a glass fiber sheet primarily composed of glass fibers, a first film disposed on the side of a first face constituting one of the principal faces of the glass fiber sheet, and a second film disposed on the side of a second face constituting the other principal face of the glass fiber sheet.Type: ApplicationFiled: July 5, 2006Publication date: January 11, 2007Applicant: Seiko Epson CorporationInventor: Koki Takasawa