Patents by Inventor Hideyuki Nasu
Hideyuki Nasu 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: 20210373256Abstract: An optical part includes: an optical fiber having a core portion and a cladding portion that is formed around the core portion; a light absorber placed around the optical fiber; and an adhesive member that adheres the light absorber and the optical fiber to each other. Further, the cladding portion includes: a main portion extending along a longitudinal direction and having a main portion cladding diameter; and an input end portion positioned closer to a light input side with respect to the main portion, and an input end face cladding diameter at an input end face of the input end portion is less than the main portion cladding diameter.Type: ApplicationFiled: August 17, 2021Publication date: December 2, 2021Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Naoki HAYAMIZU, Hiroshi HASHIMOTO, Hideyuki NASU
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Patent number: 9817192Abstract: An optical module includes a housing including an internal space that has an opening in a substrate mounting surface, an element mounting surface that forms a portion of an inner surface of the internal space, and a waveguide introduction opening that is formed in a side surface intersecting the substrate mounting surface and is opened to the opening of the substrate mounting surface and communicated with the internal space, an optical element that is mounted on the element mounting surface, and an electronic element that is mounted on the element mounting surface and is connected to the optical element. When the substrate mounting surface is mounted on a circuit substrate, an optical waveguide that protrudes from a surface of the circuit substrate is introduced into the internal space through the waveguide introduction opening.Type: GrantFiled: March 7, 2017Date of Patent: November 14, 2017Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Yoshinobu Nekado, Yozo Ishikawa, Naoya Nishimura, Toshinori Uemura, Hideyuki Nasu
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Publication number: 20170192177Abstract: An optical module includes a housing including an internal space that has an opening in a substrate mounting surface, an element mounting surface that forms a portion of an inner surface of the internal space, and a waveguide introduction opening that is formed in a side surface intersecting the substrate mounting surface and is opened to the opening of the substrate mounting surface and communicated with the internal space, an optical element that is mounted on the element mounting surface, and an electronic element that is mounted on the element mounting surface and is connected to the optical element. When the substrate mounting surface is mounted on a circuit substrate, an optical waveguide that protrudes from a surface of the circuit substrate is introduced into the internal space through the waveguide introduction opening.Type: ApplicationFiled: March 7, 2017Publication date: July 6, 2017Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Yoshinobu NEKADO, Yozo ISHIKAWA, Naoya NISHIMURA, Toshinori UEMURA, Hideyuki NASU
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Patent number: 9632265Abstract: An optical module includes a housing including an internal space that has an opening in a substrate mounting surface, an element mounting surface that forms a portion of an inner surface of the internal space, and a waveguide introduction opening that is formed in a side surface intersecting the substrate mounting surface and is opened to the opening of the substrate mounting surface and communicated with the internal space, an optical element that is mounted on the element mounting surface, and an electronic element that is mounted on the element mounting surface and is connected to the optical element. When the substrate mounting surface is mounted on a circuit substrate, an optical waveguide that protrudes from a surface of the circuit substrate is introduced into the internal space through the waveguide introduction opening.Type: GrantFiled: January 4, 2016Date of Patent: April 25, 2017Assignee: FURUKAWA ELECTRIC CO. LTD.Inventors: Yoshinobu Nekado, Yozo Ishikawa, Naoya Nishimura, Toshinori Uemura, Hideyuki Nasu
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Publication number: 20160116695Abstract: An optical module includes a housing including an internal space that has an opening in a substrate mounting surface, an element mounting surface that forms a portion of an inner surface of the internal space, and a waveguide introduction opening that is formed in a side surface intersecting the substrate mounting surface and is opened to the opening of the substrate mounting surface and communicated with the internal space, an optical element that is mounted on the element mounting surface, and an electronic element that is mounted on the element mounting surface and is connected to the optical element. When the substrate mounting surface is mounted on a circuit substrate, an optical waveguide that protrudes from a surface of the circuit substrate is introduced into the internal space through the waveguide introduction opening.Type: ApplicationFiled: January 4, 2016Publication date: April 28, 2016Applicant: Furukawa Electric Co., Ltd.Inventors: Yoshinobu NEKADO, Yozo ISHIKAWA, Naoya NISHIMURA, Toshinori UEMURA, Hideyuki NASU
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Patent number: 9170382Abstract: A connector incorporating a module, in which an incorporated electrical component may be cooled efficiently and reliably, is provided. A transmission apparatus disposed inside a main body cover of a module-incorporating connector is provided with a ceramic board at which an electrical component and such are mounted. A metal cover touches an upper face of the electrical component. A portion of the metal cover is disposed in an insertion portion of the main body cover. Heat generated by the electrical component is propagated via the metal cover to the insertion portion of a first cover member. When the module-incorporating connector is connected to a socket of a device, the insertion portion is disposed inside an exterior case, in which temperature is controlled by an air conditioner, and cooling is performed reliably and efficiently.Type: GrantFiled: July 29, 2013Date of Patent: October 27, 2015Assignee: Molex, LLCInventors: Dean Richardson, Bogdan Andrei, Hideyuki Nasu
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Patent number: 9122025Abstract: A prism/lens array (25) in the present invention is a grass prism having an approximately 45 degrees tapered part. A plurality of lenses (31) are provided side by side on the front surface of the prism/lens array (25). A pair of protrusions (33) are formed on both sides of lenses (31) on the surface on which the lenses (31) are provided. The protrusions (33) are formed in the top-bottom direction of the prism/lens array (25) and roughly V-shaped cross sections. Grooves (35) are provided in an inside surface of a prism-securing part (19), in areas corresponding to the protrusions (33). The grooves (35) are shaped such that the protrusions (33) can fit into the grooves; for example, the grooves could have roughly V-shaped cross sections.Type: GrantFiled: April 24, 2014Date of Patent: September 1, 2015Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Yozo Ishikawa, Hideyuki Nasu
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Patent number: 9033593Abstract: An optical module which includes a housing having a placing portion and an optical input-output portion facing an optical input-output surface of a ferrule; a first fixing portion for fixing the ferrule to the housing in the direction of the Z-axis perpendicular to the placing portion; and a second fixing portion for fixing the ferrule to the housing in the direction of the Y-axis perpendicular to the optical input-output surface, wherein the second fixing portion can change states from the first state to the second state; the first fixing portion fixes the ferrule in the direction of the Z-axis, and does not fix the ferrule in the Z-axis direction when the first fixing portion is at a second position; and the first fixing portion moves from the second position to the first position when the second fixing portion changes its state to a specific state.Type: GrantFiled: August 7, 2013Date of Patent: May 19, 2015Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Yozo Ishikawa, Hideyuki Nasu, Toshinori Uemura
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Publication number: 20140233897Abstract: A prism/lens array (25) in the present invention is a grass prism having an approximately 45 degrees tapered part. A plurality of lenses (31) are provided side by side on the front surface of the prism/lens array (25). A pair of protrusions (33) are formed on both sides of lenses (31) on the surface on which the lenses (31) are provided. The protrusions (33) are formed in the top-bottom direction of the prism/lens array (25) and roughly V-shaped cross sections. Grooves (35) are provided in an inside surface of a prism-securing part (19), in areas corresponding to the protrusions (33). The grooves (35) are shaped such that the protrusions (33) can fit into the grooves; for example, the grooves could have roughly V-shaped cross sections.Type: ApplicationFiled: April 24, 2014Publication date: August 21, 2014Applicant: FURUKAWA ELECTRIC CO.,LTD.Inventors: Yozo ISHIKAWA, Hideyuki NASU
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Publication number: 20140056563Abstract: A connector incorporating a module, in which an incorporated electrical component may be cooled efficiently and reliably, is provided. A transmission apparatus disposed inside a main body cover of a module-incorporating connector is provided with a ceramic board at which an electrical component and such are mounted. A metal cover touches an upper face of the electrical component. A portion of the metal cover is disposed in an insertion portion of the main body cover. Heat generated by the electrical component is propagated via the metal cover to the insertion portion of a first cover member. When the module-incorporating connector is connected to a socket of a device, the insertion portion is disposed inside an exterior case, in which temperature is controlled by an air conditioner, and cooling is performed reliably and efficiently.Type: ApplicationFiled: July 29, 2013Publication date: February 27, 2014Applicant: Molex IncorporatedInventors: Dean Richardson, Bogdan Andrei, Hideyuki Nasu
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Patent number: 8632263Abstract: An optical module includes a module housing body including an electrical connection section for electrically connecting the electronic substrate and the optical module to each other and a housing section for housing the optical module, where the module housing body is mounted on the electronic substrate in such a manner that an electrical connection terminal of the electronic substrate and the electrical connection section is connected to each other and a fixing member for maintaining a state in which an electrical connection terminal of the optical module has contact with the electrical connection section in the module housing body. The optical module is housed in the housing section and is fixed in a removable manner by the fixing member, and the optical waveguide and the optical element are configured to be optically coupled to each other in a state in which the optical module is fixed.Type: GrantFiled: January 31, 2013Date of Patent: January 21, 2014Assignee: Furukawa Electric Co., Ltd.Inventors: Yoshinobu Nekado, Hideyuki Nasu
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Publication number: 20130321662Abstract: A gesture recognition system includes an image capturing device, a memory unit and a processing unit. The image capturing device includes a zoom lens and captures an image frame with a focus length. The memory unit previously saves a lookup table of depths versus sharpness associated with at least one the focus length of the zoom lens. The processing unit is configured to calculate a current sharpness value of at least one object image in the image frame and to obtain a current depth of the object image according to the lookup table.Type: ApplicationFiled: August 7, 2013Publication date: December 5, 2013Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Yozo ISHIKAWA, Hideyuki NASU, Toshinori UEMURA
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Publication number: 20130322834Abstract: An optical module which includes a housing having a placing portion and an optical input-output portion facing an optical input-output surface of a ferrule; a first fixing portion for fixing the ferrule to the housing in the direction of the Z-axis perpendicular to the placing portion; and a second fixing portion for fixing the ferrule to the housing in the direction of the Y-axis perpendicular to the optical input-output surface, wherein the second fixing portion can change states from the first state to the second state; the first fixing portion fixes the ferrule in the direction of the Z-axis, and does not fix the ferrule in the Z-axis direction when the first fixing portion is at a second position; and the first fixing portion moves from the second position to the first position when the second fixing portion changes its state to a specific state.Type: ApplicationFiled: August 7, 2013Publication date: December 5, 2013Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Yozo ISHIKAWA, Hideyuki NASU, Toshinori UEMURA
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Patent number: 8496385Abstract: A connector incorporating a module, in which an incorporated electrical component may be cooled efficiently and reliably, is provided. A transmission apparatus disposed inside a main body cover of a module-incorporating connector is provided with a ceramic board at which an electrical component and such are mounted. A metal cover touches an upper face of the electrical component. A portion of the metal cover is disposed in an insertion portion of the main body cover. Heat generated by the electrical component is propagated via the metal cover to the insertion portion of a first cover member. When the module-incorporating connector is connected to a socket of a device, the insertion portion is disposed inside an exterior case, in which temperature is controlled by an air conditioner, and cooling is performed reliably and efficiently.Type: GrantFiled: March 24, 2011Date of Patent: July 30, 2013Assignee: Molex IncorporatedInventors: Dean Richardson, Bogdan Andrei, Hideyuki Nasu
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Patent number: 8382384Abstract: An optical module includes a module housing body including an electrical connection section for electrically connecting the electronic substrate and the optical module to each other and a housing section for housing the optical module, where the module housing body is mounted on the electronic substrate in such a manner that an electrical connection terminal of the electronic substrate and the electrical connection section is connected to each other and a fixing member for maintaining a state in which an electrical connection terminal of the optical module has contact with the electrical connection section in the module housing body. The optical module is housed in the housing section and is fixed in a removable manner by the fixing member, and the optical waveguide and the optical element are configured to be optically coupled to each other in a state in which the optical module is fixed.Type: GrantFiled: April 13, 2009Date of Patent: February 26, 2013Assignee: The Furukawa Electric Co., Ltd.Inventors: Yoshinobu Nekado, Hideyuki Nasu
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Patent number: 8366325Abstract: An optical module 10 according to the invention is comprised of: a substrate 11; a laser diode array 14 implemented on said substrate in an array; a driver IC 15 implemented on said substrate and electrically connected to each of surface emitting semiconductor laser elements of the laser diode array 14; an optical connector unit 12 for holding a plurality of optical fiber 16 in an array, wherein the optical connector unit 12 is fixed to the substrate 11 in a location where center of each single end of said plurality of optical fiber and center of each light injecting region are aligned with each other; and a cover 13. The optical connector unit 12 includes two guide-pin holes 12b on two opposite sides of a plurality of fiber holding hole 12a. Two alignment marks 50 are provided on a surface 11a of the substrate 11, which are visually recognizable through each of the guide-pin holes 12b, and function as alignment reference of said optical connector unit 12.Type: GrantFiled: January 13, 2009Date of Patent: February 5, 2013Assignee: The Furukawa Electric Co., Ltd.Inventors: Yozo Ishikawa, Hideyuki Nasu
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Publication number: 20110235978Abstract: A connector incorporating a module, in which an incorporated electrical component may be cooled efficiently and reliably, is provided. A transmission apparatus disposed inside a main body cover of a module-incorporating connector is provided with a ceramic board at which an electrical component and such are mounted. A metal cover touches an upper face of the electrical component. A portion of the metal cover is disposed in an insertion portion of the main body cover. Heat generated by the electrical component is propagated via the metal cover to the insertion portion of a first cover member. When the module-incorporating connector is connected to a socket of a device, the insertion portion is disposed inside an exterior case, in which temperature is controlled by an air conditioner, and cooling is performed reliably and efficiently.Type: ApplicationFiled: March 24, 2011Publication date: September 29, 2011Applicant: Molex IncorporatedInventors: Dean Richardson, Bogdan Andrei, Hideyuki Nasu
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Publication number: 20110049334Abstract: An optical module transmits optical signals through a plurality of optical fibers in parallel. The optical module includes a substrate including an electrode pattern, a plurality of optical elements mounted on the electrode pattern of the substrate, and an electronic device mounted on the electrode pattern of the substrate and electrically connected to the optical elements. The optical elements and the electronic device are arranged on the substrate close to each other such that lengths of a plurality of transmission lines each transmitting a signal between each of the optical elements and the electronic device are minimized.Type: ApplicationFiled: January 15, 2009Publication date: March 3, 2011Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Hideyuki Nasu, Yozo Ishikawa
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Publication number: 20110026888Abstract: An optical module includes a module housing body including an electrical connection section for electrically connecting the electronic substrate and the optical module to each other and a housing section for housing the optical module, where the module housing body is mounted on the electronic substrate in such a manner that an electrical connection terminal of the electronic substrate and the electrical connection section is connected to each other and a fixing member for maintaining a state in which an electrical connection terminal of the optical module has contact with the electrical connection section in the module housing body. The optical module is housed in the housing section and is fixed in a removable manner by the fixing member, and the optical waveguide and the optical element are configured to be optically coupled to each other in a state in which the optical module is fixed.Type: ApplicationFiled: April 13, 2009Publication date: February 3, 2011Applicant: THE FURUKAWA ELECTRIC CO., LTD.Inventors: Yoshinobu Nekado, Hideyuki Nasu
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Publication number: 20090269006Abstract: An optical module 10 according to the invention is comprised of: a substrate 11; a laser diode array 14 implemented on said substrate in an array; a driver IC 15 implemented on said substrate and electrically connected to each of surface emitting semiconductor laser elements of the laser diode array 14; an optical connector unit 12 for holding a plurality of optical fiber 16 in an array, wherein the optical connector unit 12 is fixed to the substrate 11 in a location where center of each single end of said plurality of optical fiber and center of each light injecting region are aligned with each other; and a cover 13. The optical connector unit 12 includes two guide-pin holes 12b on two opposite sides of a plurality of fiber holding hole 12a. Two alignment marks 50 are provided on a surface 11a of the substrate 11, which are visually recognizable through each of the guide-pin holes 12b, and function as alignment reference of said optical connector unit 12.Type: ApplicationFiled: January 13, 2009Publication date: October 29, 2009Applicant: THE FURUKAWA ELECTRIC CO., LTD.Inventors: Yozo Ishikawa, Hideyuki Nasu