Patents by Inventor Yoshifumi Takasu
Yoshifumi Takasu 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: 11480185Abstract: A blowing system includes: a first blowing unit including a first body that houses a first fan and includes a first air outlet for blowing-out wind from the first fan; a second blowing unit including a second body that houses a second fan, includes a second air outlet for blowing-out wind from the second fan, and has a shape that is in two-fold symmetry with the first body; and a first connection that rotatably-connects an edge on a back face-side of a first side face of the first body and an edge on a back face-side of a second side face of the second body so that an angle formed by the first and second bodies is variable. The first and second blowing units come into contact at three or more points, and the directions of respective rotation axes of the first and second fans cross at a predetermined angle.Type: GrantFiled: May 25, 2021Date of Patent: October 25, 2022Assignee: PANASONIC HOLDINGS CORPORATIONInventors: Hideki Murakami, Kimiaki Nakata, Yoshifumi Takasu, Koki Akiyoshi, Shinji Noda
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Patent number: 11370076Abstract: A RAMO4 substrate includes a single crystal represented by a formula of RAMO4 (in the formula, R indicates one or a plurality of trivalent elements selected from a group consisting of Sc, In, Y, and a lanthanoid element, A indicates one or a plurality of trivalent elements selected from a group consisting of Fe(III), Ga, and Al, and M indicates one or a plurality of bivalent elements selected from a group consisting of Mg, Mn, Fe(II), Co, Cu, Zn, and Cd). An epitaxially-grown surface is provided on one surface of the RAMO4 substrate, a satin-finish surface is provided on another surface. The satin-finish surface has surface roughness which is larger than that of the epitaxially-grown surface.Type: GrantFiled: February 3, 2017Date of Patent: June 28, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yoshifumi Takasu, Yoshio Okayama, Akihiko Ishibashi, Isao Tashiro, Akio Ueta, Masaki Nobuoka, Naoya Ryoki
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Publication number: 20210372415Abstract: A blowing system includes: a first blowing unit including a first body that houses a first fan and includes a first air outlet for blowing-out wind from the first fan; a second blowing unit including a second body that houses a second fan, includes a second air outlet for blowing-out wind from the second fan, and has a shape that is in two-fold symmetry with the first body; and a first connection that rotatably-connects an edge on a back face-side of a first side face of the first body and an edge on a back face-side of a second side face of the second body so that an angle formed by the first and second bodies is variable. The first and second blowing units come into contact at three or more points, and the directions of respective rotation axes of the first and second fans cross at a predetermined angle.Type: ApplicationFiled: May 25, 2021Publication date: December 2, 2021Inventors: Hideki MURAKAMI, Kimiaki NAKATA, Yoshifumi TAKASU, Koki AKIYOSHI, Shinji NODA
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Patent number: 10350725Abstract: A RAMO4 substrate is formed from single crystal represented by a formula of RAMO4 (in the formula, R indicates one or a plurality of trivalent elements selected from a group consisting of Sc, In, Y, and a lanthanoid element, A indicates one or a plurality of trivalent elements selected from a group consisting of Fe(III), Ga, and Al, and M indicates one or a plurality of bivalent elements selected form a group consisting of Hg, Mn, Fe(II), Co, Cu, Zn, and Cd). An epitaxially-grown surface is provided on at least one surface of the RAMO4 substrate. The epitaxially-grown surface includes a plurality of cleavage surfaces which are regularly distributed, and are separated from each other.Type: GrantFiled: February 3, 2017Date of Patent: July 16, 2019Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Yoshifumi Takasu, Yoshio Okayama, Akihiko Ishibashi, Isao Tashiro, Akio Ueta, Masaki Nobuoka, Naoya Ryoki
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Patent number: 10246796Abstract: A RAMO4 substrate containing an RAMO4 base material part containing a single crystal represented by the general formula RAMO4 (wherein R represents one or a plurality of trivalent elements selected from a group of elements including: Sc, In, Y, and a lanthanoid element, A represents one or a plurality of trivalent elements selected from a group of elements including: Fe(III), Ga, and Al, and M represents one or a plurality of divalent elements selected from a group of elements including: Mg, Mn, Fe(II), Co, Cu, Zn, and Cd), the RAMO4 base material part having a beveled portion at an edge portion thereof.Type: GrantFiled: February 10, 2017Date of Patent: April 2, 2019Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Isao Tashiro, Hidenao Kataoka, Yoshio Okayama, Nobuyuki Yokoyama, Yoshifumi Takasu
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Patent number: 9865470Abstract: A processing apparatus includes a rotary table that causes a workpiece to rotate around a rotary axis, a roller-shaped member that rotates on an axis orthogonal to the rotary axis of the rotary table, a vertical driving section that is driven in a direction of the rotary axis of the rotary table so as to bring the roller-shaped member and the workpiece into contact with each other, an ultraviolet ray irradiation source that irradiates a portion between the roller-shaped member and the workpiece with an ultraviolet ray, a polishing material that is supplied to the portion between the roller-shaped member and the workpiece, and a light scattering medium that is supplied to the portion between the roller-shaped member and the workpiece and scatters an ultraviolet ray from the ultraviolet ray irradiation source.Type: GrantFiled: April 15, 2016Date of Patent: January 9, 2018Assignee: Panasonic CorporationInventors: Yoshifumi Takasu, Nobuyuki Yokoyama, Isao Tashiro, Nobuyuki Kamikihara
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Publication number: 20170275778Abstract: A RAMO4 substrate containing an RAMO4 base material part containing a single crystal represented by the general formula RAMO4 (wherein R represents one or a plurality of trivalent elements selected from a group of elements including: Sc, In, Y, and a lanthanoid element, A represents one or a plurality of trivalent elements selected from a group of elements including: Fe(III), Ga, and Al, and M represents one or a plurality of divalent elements selected from a group of elements including: Mg, Mn, Fe(II), Co, Cu, Zn, and Cd), the RAMO4 base material part having a beveled portion at an edge portion thereof.Type: ApplicationFiled: February 10, 2017Publication date: September 28, 2017Inventors: ISAO TASHIRO, HIDENAO KATAOKA, YOSHIO OKAYAMA, NOBUYUKI YOKOYAMA, YOSHIFUMI TAKASU
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Publication number: 20170278754Abstract: A method for producing a Group III nitride crystal, includes: preparing an RAMO4 substrate containing a single crystal represented by the general formula RAMO4 (wherein R represents one or a plurality of trivalent elements selected from a group consisting of Sc, In, Y, and a lanthanoid element, A represents one or a plurality of trivalent elements selected from a group consisting of Fe(III), Ga, and Al, and M represents one or a plurality of divalent elements selected from a group consisting of Mg, Mn, Fe(II), Co, Cu, Zn, and Cd) and having a notch on a side portion thereof; growing a Group III nitride crystal on the RAMO4 substrate; and cleaving the RAMO4 substrate from the notch.Type: ApplicationFiled: February 9, 2017Publication date: September 28, 2017Inventors: ISAO TASHIRO, HIDENAO KATAOKA, YOSHIO OKAYAMA, NOBUYUKI YOKOYAMA, YOSHIFUMI TAKASU
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Publication number: 20170239773Abstract: A RAMO4 substrate includes a single crystal represented by a formula of RAMO4 (in the formula, R indicates one or a plurality of trivalent elements selected from a group consisting of Sc, In, Y, and a lanthanoid element, A indicates one or a plurality of trivalent elements selected from a group consisting of Fe(III), Ga, and Al, and M indicates one or a plurality of bivalent elements selected from a group consisting of Mg, Mn, Fe(II), Co, Cu, Zn, and Cd). An epitaxially-grown surface is provided on one surface of the RAMO4 substrate, a satin-finish surface is provided on another surface. The satin-finish surface has surface roughness which is larger than that of the epitaxially-grown surface.Type: ApplicationFiled: February 3, 2017Publication date: August 24, 2017Inventors: YOSHIFUMI TAKASU, YOSHIO OKAYAMA, AKIHIKO ISHIBASHI, ISAO TASHIRO, AKIO UETA, MASAKI NOBUOKA, NAOYA RYOKI
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Publication number: 20170239772Abstract: A RAMO4 substrate includes a single crystal represented by a formula of RAMO4 (in the formula, R indicates one or a plurality of trivalent elements selected from a group consisting of Sc, In, Y, and a lanthanoid element, A indicates one or a plurality of trivalent elements selected from a group consisting of Fe(III), Ga, and Al, and M indicates one or a plurality of bivalent elements selected from a group consisting of Mg, Mn, Fe(II), Co, Cu, Zn, and Cd). An epitaxially-grown surface is provided on at least one surface of the RAMO4 substrate. An unevenness having a height of 500 nm or more is not provided on the epitaxially-grown surface.Type: ApplicationFiled: February 3, 2017Publication date: August 24, 2017Inventors: YOSHIFUMI TAKASU, YOSHIO OKAYAMA, AKIHIKO ISHIBASHI, ISAO TASHIRO, AKIO UETA, MASAKI NOBUOKA, NAOYA RYOKI
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Publication number: 20170239779Abstract: A RAMO4 substrate is formed from single crystal represented by a formula of RAMO4 (in the formula, R indicates one or a plurality of trivalent elements selected from a group consisting of Sc, In, Y, and a lanthanoid element, A indicates one or a plurality of trivalent elements selected from a group consisting of Fe(III), Ga, and Al, and M indicates one or a plurality of bivalent elements selected form a group consisting of Hg, Mn, Fe(II), Co, Cu, Zn, and Cd). An epitaxially-grown surface is provided on at least one surface of the RAMO4 substrate. The epitaxially-grown surface includes a plurality of cleavage surfaces which are regularly distributed, and are separated from each other.Type: ApplicationFiled: February 3, 2017Publication date: August 24, 2017Inventors: Yoshifumi TAKASU, Yoshio OKAYAMA, Akihiko ISHIBASHI, Isao TASHIRO, Akio UETA, Masaki NOBUOKA, Naoya RYOKI
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Publication number: 20160379838Abstract: A processing apparatus includes a rotary table that causes a workpiece to rotate around a rotary axis, a roller-shaped member that rotates on an axis orthogonal to the rotary axis of the rotary table, a vertical driving section that is driven in a direction of the rotary axis of the rotary table so as to bring the roller-shaped member and the workpiece into contact with each other, an ultraviolet ray irradiation source that irradiates a portion between the roller-shaped member and the workpiece with an ultraviolet ray, a polishing material that is supplied to the portion between the roller-shaped member and the workpiece, and a light scattering medium that is supplied to the portion between the roller-shaped member and the workpiece and scatters an ultraviolet ray from the ultraviolet ray irradiation source.Type: ApplicationFiled: April 15, 2016Publication date: December 29, 2016Inventors: YOSHIFUMI TAKASU, NOBUYUKI YOKOYAMA, ISAO TASHIRO, NOBUYUKI KAMIKIHARA
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Patent number: 9400427Abstract: The present invention is a method of manufacturing a fine structure body which manufactures the fine structure body by repeating a basic fine structure body forming step that forms a basic fine structure body by pressing a fine structure mold against a curable resin (photocurable resin film) on a surface of a base material and a release and moving step that releases the fine structure mold from the base material and moves the fine structure mold, wherein the fine structure mold includes at least a first mold depression pattern which is disposed at center area of it, and a second mold depression pattern which is disposed in at least one side part in circumference area of it, and a size of the second mold depression pattern is smaller than a size of the first mold depression pattern.Type: GrantFiled: April 26, 2012Date of Patent: July 26, 2016Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Yuji Yamamoto, Toshihiko Wada, Yoshifumi Takasu, Akihisa Yamada
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Patent number: 8711482Abstract: A pressing mold for optical lenses, which molds a ring-zone-type diffraction lens having a plurality of concentric ring zones, the mold including: diffraction action transfer surfaces configured to form diffraction action surfaces that diffract light passing through the diffraction lens; and step transfer surfaces configured to form step surfaces that connect the adjacent diffraction action surfaces of the diffraction lens, wherein surface roughness of the step transfer surfaces is larger than surface roughness of the diffraction action transfer surfaces.Type: GrantFiled: November 30, 2010Date of Patent: April 29, 2014Assignee: Panasonic CorporationInventors: Yoshifumi Takasu, Naomi Kishimoto, Yuta Moriyama, Tooru Furushige
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Patent number: 8681593Abstract: A lens surface of an objective lens includes an optical surface formed of a plurality of annular optical surfaces which include an approximately stair-shaped cross section and which are annularly partitioned centered around an optical axis of the objective lens, and a plurality of connecting surfaces that connect the plurality of mutually adjacent annular optical surfaces to each other. The plurality of connecting surfaces include cylindrical connecting surfaces formed of a cylindrical surface centered around the optical axis and a conical connecting surface formed of a conical surface centered around the optical axis, and the conical connecting surface connects the annular optical surface and the annular optical surface.Type: GrantFiled: March 17, 2011Date of Patent: March 25, 2014Assignee: Panasonic CorporationInventors: Fumitomo Yamasaki, Yoshiaki Komma, Katsuhiko Hayashi, Yoshifumi Takasu
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Publication number: 20130161869Abstract: The present invention is a method of manufacturing a fine structure body which manufactures the fine structure body by repeating a basic fine structure body forming step that forms a basic fine structure body by pressing a fine structure mold against a curable resin (photocurable resin film) on a surface of a base material and a release and moving step that releases the fine structure mold from the base material and moves the fine structure mold, wherein the fine structure mold includes at least a first mold depression pattern which is disposed at center area of it, and a second mold depression pattern which is disposed in at least one side part in circumference area of it, and a size of the second mold depression pattern is smaller than a size of the first mold depression pattern.Type: ApplicationFiled: April 26, 2012Publication date: June 27, 2013Applicant: PANASONIC CORPORATIONInventors: Yuji Yamamoto, Toshihiko Wada, Yoshifumi Takasu, Akihisa Yamada
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Publication number: 20120320728Abstract: A lens surface (22) of an objective lens (20) includes an optical surface (221) formed of a plurality of annular optical surfaces (22a, 22b, 22c, and 22d) which include an approximately stair-shaped cross section and which are annularly partitioned centered around an optical axis (OA) of the objective lens (20), and a plurality of connecting surfaces (251) that connect the plurality of mutually adjacent annular optical surfaces to each other. The plurality of connecting surfaces (251) include cylindrical connecting surfaces (25b and 25c) formed of a cylindrical surface centered around the optical axis (OA) and a conical connecting surface (26a) formed of a conical surface centered around the optical axis (OA), and the conical connecting surface (26a) connects the annular optical surface (22c) and the annular optical surface (22d).Type: ApplicationFiled: March 17, 2011Publication date: December 20, 2012Applicant: PANASONIC CORPORATIONInventors: Fumitomo Yamasaki, Yoshiaki Komma, Katsuhiko Hayashi, Yoshifumi Takasu
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Publication number: 20110134531Abstract: A pressing mold for optical lenses, which molds a ring-zone-type diffraction lens having a plurality of concentric ring zones, the mold including: diffraction action transfer surfaces configured to form diffraction action surfaces that diffract light passing through the diffraction lens; and step transfer surfaces configured to form step surfaces that connect the adjacent diffraction action surfaces of the diffraction lens, wherein surface roughness of the step transfer surfaces is larger than surface roughness of the diffraction action transfer surfaces.Type: ApplicationFiled: November 30, 2010Publication date: June 9, 2011Applicant: Panasonic CorporationInventors: Yoshifumi TAKASU, Naomi KISHIMOTO, Yuta MORIYAMA, Tooru FURUSHIGE
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Patent number: 7561333Abstract: A mold manufacturing method for manufacturing a mold with which a diffractive lens array of high accuracy can be molded by the following steps: creating a set of coordinates of form points indicating a form of a concave portion which has a saw-toothed surface; deriving a set of coordinates of moving points by moving the coordinates of each of the form points; deriving an orbit for forming the concave portion, based on the moving points; and fabricating a metal mold by forming the concave portion which has a center that does not match a rotation center of the work piece, by moving a cutting tool along the orbit while rotating the work piece so as to cut the work piece.Type: GrantFiled: October 25, 2006Date of Patent: July 14, 2009Assignee: Panasonic CorporationInventors: Yoshifumi Takasu, Fuminori Takami
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Publication number: 20070097492Abstract: A mold manufacturing method for manufacturing a mold with which a diffractive lens array of high accuracy can be molded by the following steps: creating a set of coordinates of form points indicating a form of a concave portion which has a saw-toothed surface; deriving a set of coordinates of moving points by moving the coordinates of each of the form points; deriving an orbit for forming the concave portion, based on the moving points; and fabricating a metal mold by forming the concave portion which has a center that does not match a rotation center of the work piece, by moving a cutting tool along the orbit while rotating the work piece so as to cut the work piece.Type: ApplicationFiled: October 25, 2006Publication date: May 3, 2007Inventors: Yoshifumi Takasu, Fuminori Takami