Patents by Inventor Satoshi Annaka
Satoshi Annaka 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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Publication number: 20180299586Abstract: Provided is an optical component or the like having a stealth mark that is invisible under visible light and is visible under light of a predetermined wavelength. An optical component includes a stealth mark that is invisible under the visible light and visible under the predetermined wavelength, and the stealth mark includes an impregnated region formed from a fluorescent coloring material, and the stealth mark is integrated into the optical component such that an outermost surface of the stealth mark is flush with a surface of the optical component.Type: ApplicationFiled: June 21, 2018Publication date: October 18, 2018Applicant: HOYA LENS THAILAND LTD.Inventors: Shigeki OOKUBO, Satoshi ANNAKA, Masayoshi KAWADA, Kazuhito YAMANOUCHI, Shuji NAITO
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Patent number: 8480455Abstract: A lens machining apparatus is provided that can execute everything required in machining eyeglass lenses, from measurement to various kinds of machining, and still ensures high-precision machining. The apparatus includes a lens holding unit 12 which holds a lens 1 and causes the same to turn, a cutter 131 which cuts (edges) the circumferential surface of the lens in a prescribed cross-sectional shape, an end mill 141 which machines a groove in the circumferential surface of the lens whose circumferential surface has been cut (edged) and chamfers edges at the lens circumferential surface, and a lens measurement unit 15 which measures the shape and the position of the lens held by the lens holding unit.Type: GrantFiled: July 3, 2003Date of Patent: July 9, 2013Assignee: Hoya CorporationInventors: Takashi Igarashi, Shuichi Sato, Yoshihiro Kikuchi, Michio Arai, Satoshi Annaka
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Patent number: 8460069Abstract: A lens holder (8) includes a metal holder main body (12) and an elastic member (14) which holds the processing center portion (13) of a processing target lens (7). The holder main body (12) has a fitting hole (20) formed at a front surface center. The elastic member (14) includes a fitting shaft portion (14A) to be slidably fitted in the fitting hole (20), and a lens holding portion (14B) integrally provided to the fitting shaft portion (14A). The front surface of the lens holding portion (14B) forms a lens holding surface (24) which holds the processing target lens (7). Before holding the processing target lens (7), a suitable gap (g) is formed between the front surface (18) of the holder main body (12) and the lens holding surface (24). When the lens holding surface (24) is urged against the processing target lens (7), the lens holding portion (14B) elastically deforms toward the rear surface and is urged against the front surface (18) of the holder main body (12).Type: GrantFiled: March 24, 2008Date of Patent: June 11, 2013Assignee: Hoya CorporationInventor: Satoshi Annaka
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Patent number: 8240056Abstract: A bevel perimeter measurement apparatus (1) includes a retractable slider (3), a stylus holder (5) disposed to be vertically movable on the slider (3), a stylus (13) which has a bevel measurement groove (30) formed on its outer periphery and is provided on the stylus holder (5), a pressing force application device (14) which moves the slider (3) forward at the time of bevel measurement to press the stylus (13) against the edge surface (50c) of a spectacle lens (50), and a retracting device (19) which holds the stylus holder (5) at the retraction position during non-measurement. When the stylus holder (5) is released from the retracting device (19) at the time of measurement, it ascends using the spring force of biasing springs (27) to engage the bevel measurement groove (30) in the stylus (13) with a bevel (52) of the spectacle lens (50).Type: GrantFiled: March 30, 2009Date of Patent: August 14, 2012Assignee: Hoya CorporationInventors: Satoshi Annaka, Shuichi Sato
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Patent number: 7946325Abstract: A centering device (13) is arranged to surround a loading table (11) on which a lens blank (1) is to be set, to set the geometric center of the lens blank (1) to coincide with the center of the loading table (11). The centering device (13) includes three clamp pins (31) which press the peripheral surface of the lens blank (1). When centering is ended, the loading table (11) on which the lens blank (1) is set is pushed up by a moving device (12) from a centering position (H1) to a block position (H2), and a peripheral portion of the lens blank (1) on a concave surface side is urged against the lower surfaces of locking portions (31A) of clamp pins (31). After a predetermined amount of wax (4) is dripped onto the lens blank (1), a lens holding unit (2) is moved downward by a predetermined amount and urged against the wax on the lens blank (1) to spread the wax thin and let the wax to solidify. Thus, the lens blank (1) and lens holding unit (2) are bonded to each other.Type: GrantFiled: February 18, 2005Date of Patent: May 24, 2011Assignee: Hoya CorporationInventors: Jun Kawakubo, Satoshi Annaka
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Publication number: 20110088272Abstract: A bevel perimeter measurement apparatus (1) includes a retractable slider (3), a stylus holder (5) disposed to be vertically movable on the slider (3), a stylus (13) which has a bevel measurement groove (30) formed on its outer periphery and is provided on the stylus holder (5), a pressing force application device (14) which moves the slider (3) forward at the time of bevel measurement to press the stylus (13) against the edge surface (50c) of a spectacle lens (50), and a retracting device (19) which holds the stylus holder (5) at the retraction position during non-measurement. When the stylus holder (5) is released from the retracting device (19) at the time of measurement, it ascends using the spring force of biasing springs (27) to engage the bevel measurement groove (30) in the stylus (13) with a bevel (52) of the spectacle lens (50).Type: ApplicationFiled: March 30, 2009Publication date: April 21, 2011Inventors: Satoshi Annaka, Shuichi Sato
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Publication number: 20110011469Abstract: A hydraulic circuit (50) is provided with an oil cooler (180), a lubricating unit (200), a relief valve (210) and an oil pan (100). The lubricating unit (200) receives hydraulic oil cooled by the cooler (180) as lubricating oil and discharges the same to the oil pan (100). The relief valve (210) regulates oil pressure within an oil path (190) by discharging a portion of the hydraulic oil from the oil path (190). The oil cooler (180) is arranged upstream of the lubricating unit (200) and the relief valve (210), and cools the hydraulic oil flowing to the lubricating unit (200) and the relief valve (210).Type: ApplicationFiled: March 9, 2009Publication date: January 20, 2011Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Satoshi Annaka
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Publication number: 20100112915Abstract: A lens holder (8) includes a metal holder main body (12) and an elastic member (14) which holds the processing center portion (13) of a processing target lens (7). The holder main body (12) has a fitting hole (20) formed at a front surface center. The elastic member (14) includes a fitting shaft portion (14A) to be slidably fitted in the fitting hole (20), and a lens holding portion (14B) integrally provided to the fitting shaft portion (14A). The front surface of the lens holding portion (14B) forms a lens holding surface (24) which holds the processing target lens (7). Before holding the processing target lens (7), a suitable gap (g) is formed between the front surface (18) of the holder main body (12) and the lens holding surface (24). When the lens holding surface (24) is urged against the processing target lens (7), the lens holding portion (14B) elastically deforms toward the rear surface and is urged against the front surface (18) of the holder main body (12).Type: ApplicationFiled: March 24, 2008Publication date: May 6, 2010Inventor: Satoshi Annaka
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Publication number: 20070131351Abstract: A centering device (13) is arranged to surround a loading table (11) on which a lens blank (1) is to be set, to set the geometric center of the lens blank (1) to coincide with the center of the loading table (11). The centering device (13) includes three clamp pins (31) which press the peripheral surface of the lens blank (1). When centering is ended, the loading table (11) on which the lens blank (1) is set is pushed up by a moving device (12) from a centering position (H1) to a block position (H2), and a peripheral portion of the lens blank (1) on a concave surface side is urged against the lower surfaces of locking portions (31A) of clamp pins (31). After a predetermined amount of wax (4) is dripped onto the lens blank (1), a lens holding unit (2) is moved downward by a predetermined amount and urged against the wax on the lens blank (1) to spread the wax thin and let the wax to solidify. Thus, the lens blank (1) and lens holding unit (2) are bonded to each other.Type: ApplicationFiled: February 18, 2005Publication date: June 14, 2007Inventors: Jun Kawakubo, Satoshi Annaka
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Publication number: 20040097168Abstract: A lens machining apparatus is provided that can execute everything required in machining eyeglass lenses, from measurement to various kinds of machining, and still can ensure high-precision machining.Type: ApplicationFiled: July 3, 2003Publication date: May 20, 2004Applicant: HOYA CORPORATIONInventors: Takashi Igarashi, Shuichi Sato, Yoshihiro Kikuchi, Michio Arai, Satoshi Annaka
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Patent number: 6623339Abstract: A lens machining apparatus is provided that can execute everything required in machining eyeglass lenses, from measurement to various kinds of machining, and still can ensure high-precision machining. A lens holding unit 12 which holds a lens 1 and causes the same to turn, a cutter 131 which cuts (edges) the circumferential surface of the lens in a prescribed cross-sectional shape, an end mill 141 which machines a groove in the circumferential surface of the lens whose circumferential surface has been cut (edged) and chamfers edges at the lens circumferential surface, and a lens measurement unit 15 which measures the shape and the position of the lens held by the lens holding unit are comprised.Type: GrantFiled: March 21, 2001Date of Patent: September 23, 2003Assignee: Hoya CorporationInventors: Takashi Igarashi, Shuichi Sato, Yoshihiro Kikuchi, Michio Arai, Satoshi Annaka