Patents by Inventor Shinichiro Akieda
Shinichiro Akieda 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: 20180231716Abstract: An optical module for connecting a ferrule for connecting an optical fiber and a photoelectric transducer mounted on a substrate. The optical module includes first lenses provided on a first side of the optical module to which the ferrule is to be connected, second lenses provided on a second side of the optical module facing the substrate, an inclined plane provided between the first lenses and the second lenses, and inclined with respect to a surface of the substrate, and a guide hole formed in the inclined plane, to which a guide pin of the ferrule is inserted.Type: ApplicationFiled: April 13, 2018Publication date: August 16, 2018Inventors: Shigemi Kurashima, Hongfei Zhang, Shinichiro Akieda, Osamu Daikuhara
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Patent number: 10042134Abstract: An optical module for connecting photoelectric conversion device on a substrate to a ferrule connected to an optical fiber includes a body configured to be mounted on the substrate, a first lens disposed on the body at a side thereof connectable to the ferrule, a second lens disposed on the body at a side thereof facing the substrate, and a core disposed in the body between the first lens and the second lens, wherein a refractive index of the core is higher than a refractive index of the body.Type: GrantFiled: December 7, 2017Date of Patent: August 7, 2018Assignee: FUJITSU COMPONENT LIMITEDInventors: Hongfei Zhang, Shigemi Kurashima, Satoshi Moriyama, Shinichiro Akieda, Rie Gappa, Mitsuki Kanda
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Patent number: 10007373Abstract: An operation panel includes a first board, a second board, a load sensor provided between the first board and the second board, and a clip that holds together the first board and the second board. The load sensor detects the magnitude of a force applied to the first board.Type: GrantFiled: October 24, 2014Date of Patent: June 26, 2018Assignee: FUJITSU COMPONENT LIMITEDInventors: Shinichiro Akieda, Takeshi Okuyama, Akio Nakamura, Koji Iizuka, Mitsuhiro Sekizawa
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Patent number: 9989718Abstract: An optical module includes a board; a photoelectric transducer disposed on the board; an optical waveguide that is connected to the board and transmits light entering or emitted from the photoelectric transducer; an optical connector including a first end connected to the optical waveguide and a second end to be connected to an optical cable; a housing that houses the board, the photoelectric transducer, the optical waveguide, and the optical connector; and a conductive part that is provided between the optical waveguide and the housing, in contact with the housing, and formed of an elastic conductive material or a radio absorbing material.Type: GrantFiled: July 18, 2017Date of Patent: June 5, 2018Assignees: FUJITSU COMPONENT LIMITED, FUJITSU LIMITEDInventors: Shigemi Kurashima, Mitsuki Kanda, Shinichiro Akieda, Takatoshi Yagisawa
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Patent number: 9964714Abstract: An optical connector includes a board including an element that performs conversion between an electric signal and light, a first ferrule and a second ferrule that are butted against each other, an optical waveguide that optically connects the first ferrule with the element, and a guide that guides the optical waveguide disposed between the first ferrule and the element.Type: GrantFiled: March 6, 2017Date of Patent: May 8, 2018Assignee: FUJITSU COMPONENT LIMITEDInventors: Ayumu Akabane, Satoshi Moriyama, Mitsuki Kanda, Shinichiro Akieda
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Publication number: 20180100980Abstract: An optical module for connecting a photoelectric conversion device on a substrate to a ferrule connected to an optical fiber includes a body configured to be mounted on the substrate, a first lens disposed on the body at a side thereof connectable to the ferrule, a second lens disposed on the body at a side thereof facing the substrate, and a core disposed in the body between the first lens and the second lens, wherein a refractive index of the core is higher than a refractive index of the body.Type: ApplicationFiled: December 7, 2017Publication date: April 12, 2018Inventors: Hongfei Zhang, Shigemi Kurashima, Satoshi Moriyama, Shinichiro Akieda, Rie Gappa, Mitsuki Kanda
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Publication number: 20180095230Abstract: An optical module for connecting photoelectric conversion device on a substrate to a ferrule connected to an optical fiber includes a body configured to be mounted on the substrate, a first lens disposed on the body at a side thereof connectable to the ferrule, a second lens disposed on the body at a side thereof facing the substrate, and a core disposed in the body between the first lens and the second lens, wherein a refractive index of the core is higher than a refractive index of the body.Type: ApplicationFiled: December 7, 2017Publication date: April 5, 2018Inventors: Hongfei Zhang, Shigemi Kurashima, Satoshi Moriyama, Shinichiro Akieda, Rie Gappa, Mitsuki Kanda
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Patent number: 9904020Abstract: A connecting component configured to fix a first ferrule and a second ferrule includes a first spring, a second spring, and a partition. The first spring and the second spring are provided at opposite ends of the connecting component. The partition is provided between the first spring and the second spring to be positioned between the first ferrule and the second ferrule. The first spring is configured to press the first ferrule toward the partition. The second spring is configured to press the second ferrule toward the partition.Type: GrantFiled: February 1, 2017Date of Patent: February 27, 2018Assignee: FUJITSU COMPONENT LIMITEDInventors: Shinichiro Akieda, Osamu Daikuhara, Hongfei Zhang
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Publication number: 20180031789Abstract: An optical module includes a board; a photoelectric transducer disposed on the board; an optical waveguide that is connected to the board and transmits light entering or emitted from the photoelectric transducer; an optical connector including a first end connected to the optical waveguide and a second end to be connected to an optical cable; a housing that houses the board, the photoelectric transducer, the optical waveguide, and the optical connector; and a conductive part that is provided between the optical waveguide and the housing, in contact with the housing, and formed of an elastic conductive material or a radio absorbing material.Type: ApplicationFiled: July 18, 2017Publication date: February 1, 2018Inventors: Shigemi Kurashima, Mitsuki Kanda, Shinichiro Akieda, Takatoshi Yagisawa
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Patent number: 9874705Abstract: An optical waveguide module includes an optical waveguide sheet including multiple optical waveguides, and a light-emitting device and a light-receiving device each positioned over a surface of the optical waveguide sheet. At least one of the optical waveguides includes a first mirror, a second mirror, and a slit. The first mirror is configured to reflect light entering the corresponding optical waveguide from its first end to the light-receiving device or to reflect light emitted from the light-emitting device toward the first end of the corresponding optical waveguide. The second mirror is configured to reflect light entering the corresponding optical waveguide from its second end toward the surface of the optical waveguide sheet. The slit is provided between the second mirror and the second end of the corresponding optical waveguide. The corresponding optical waveguide is discontinuous across the slit.Type: GrantFiled: February 8, 2017Date of Patent: January 23, 2018Assignee: FUJITSU COMPONENT LIMITEDInventors: Rie Gappa, Osamu Daikuhara, Shinichiro Akieda, Satoshi Moriyama, Hongfei Zhang, Mitsuki Kanda
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Publication number: 20180011260Abstract: A ferrule includes a ferrule body having a first opening formed in a side face thereof, and having a second opening formed in a top face thereof, wherein the first opening is configured to receive an optical waveguide inserted into the ferrule body at the side face, and wherein the second opening is formed over and in communication with the first opening, such that the second opening connects an inner space of the first opening to an outside of the ferrule body.Type: ApplicationFiled: June 16, 2017Publication date: January 11, 2018Inventors: Hongfei Zhang, Osamu Daikuhara, Shinichiro Akieda
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Publication number: 20180011264Abstract: An optical module includes a lens sheet having one or more lenses, a substrate having a photoelectric conversion device mounted on a first face thereof and having a first penetrating hole formed therethrough between the photoelectric conversion device and the one or more lenses, and an adhesive layer configured to bond a face of the lens sheet to a second face of the substrate, wherein the adhesive layer has a second penetrating hole formed therethrough between the one or more lenses and the photoelectric conversion device, and a pathway is provided to connect a space constituted by the first penetrating hole and the second penetrating hole to an outside of the space.Type: ApplicationFiled: June 28, 2017Publication date: January 11, 2018Inventors: Takuya Uchiyama, Shinichiro Akieda, Mariko Kase
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Patent number: 9857546Abstract: An optical module for connecting a photoelectric conversion device on a substrate to a ferrule connected to an optical fiber includes a body configured to be mounted on the substrate, a first lens disposed on the body at a side thereof connectable to the ferrule, a second lens disposed on the body at a side thereof facing the substrate, and a core disposed in the body between the first lens and the second lens, wherein a refractive index of the core is higher than a refractive index of the body.Type: GrantFiled: May 26, 2016Date of Patent: January 2, 2018Assignee: FUJITSU COMPONENT LIMITEDInventors: Hongfei Zhang, Shigemi Kurashima, Satoshi Moriyama, Shinichiro Akieda, Rie Gappa, Mitsuki Kanda
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Patent number: 9784931Abstract: An optical waveguide module includes an optical waveguide sheet including multiple optical waveguides, and a light-emitting device and a light-receiving device each positioned over a surface of the optical waveguide sheet. At least one of the optical waveguides includes a first mirror, a second mirror, and a slit. The first mirror is configured to reflect light entering the corresponding optical waveguide from its first end to the light-receiving device or to reflect light emitted from the light-emitting device toward the first end of the corresponding optical waveguide. The second mirror is configured to reflect light entering the corresponding optical waveguide from its second end toward the surface of the optical waveguide sheet. The slit is provided between the second mirror and the second end of the corresponding optical waveguide. The corresponding optical waveguide is discontinuous across the slit.Type: GrantFiled: February 8, 2017Date of Patent: October 10, 2017Assignee: FUJITSU COMPONENT LIMITEDInventors: Rie Gappa, Osamu Daikuhara, Shinichiro Akieda, Satoshi Moriyama, Hongfei Zhang, Mitsuki Kanda
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Publication number: 20170227718Abstract: A connecting component configured to fix a first ferrule and a second ferrule includes a first spring, a second spring, and a partition. The first spring and the second spring are provided at opposite ends of the connecting component. The partition is provided between the first spring and the second spring to be positioned between the first ferrule and the second ferrule. The first spring is configured to press the first ferrule toward the partition. The second spring is configured to press the second ferrule toward the partition.Type: ApplicationFiled: February 1, 2017Publication date: August 10, 2017Inventors: Shinichiro Akieda, Osamu Daikuhara, Hongfei Zhang
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Patent number: 9690059Abstract: An optical module includes a first ferrule, a second ferrule, a clip for holding the first ferrule and the second ferrule together, a board including a light-emitting element and a light-receiving element, an optical waveguide connecting the board to the first ferrule, an outer case forming a housing of the optical module and including a protrusion, and an inner case disposed in the outer case and to which the clip is attached. A pressing surface is formed at an end of the inner case. A first end of the board is in contact with the protrusion and a second end of the board is in contact with the pressing surface such that the board is clamped between the protrusion and the pressing surface.Type: GrantFiled: June 17, 2016Date of Patent: June 27, 2017Assignee: FUJITSU COMPONENT LIMITEDInventors: Shinichiro Akieda, Osamu Daikuhara
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Publication number: 20170176695Abstract: An optical connector includes a board including an element that performs conversion between an electric signal and light, a first ferrule and a second ferrule that are butted against each other, an optical waveguide that optically connects the first ferrule with the element, and a guide that guides the optical waveguide disposed between the first ferrule and the element.Type: ApplicationFiled: March 6, 2017Publication date: June 22, 2017Inventors: Ayumu Akabane, Satoshi Moriyama, Mitsuki Kanda, Shinichiro Akieda
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Publication number: 20170146753Abstract: An optical waveguide module includes an optical waveguide sheet including multiple optical waveguides, and a light-emitting device and a light-receiving device each positioned over a surface of the optical waveguide sheet. At least one of the optical waveguides includes a first mirror, a second mirror, and a slit. The first mirror is configured to reflect light entering the corresponding optical waveguide from its first end to the light-receiving device or to reflect light emitted from the light-emitting device toward the first end of the corresponding optical waveguide. The second mirror is configured to reflect light entering the corresponding optical waveguide from its second end toward the surface of the optical waveguide sheet. The slit is provided between the second mirror and the second end of the corresponding optical waveguide. The corresponding optical waveguide is discontinuous across the slit.Type: ApplicationFiled: February 8, 2017Publication date: May 25, 2017Inventors: Rie Gappa, Osamu Daikuhara, Shinichiro Akieda, Satoshi Moriyama, Hongfei Zhang, Mitsuki Kanda
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Publication number: 20170146752Abstract: An optical waveguide module includes an optical waveguide sheet including multiple optical waveguides, and a light-emitting device and a light-receiving device each positioned over a surface of the optical waveguide sheet. At least one of the optical waveguides includes a first mirror, a second mirror, and a slit. The first mirror is configured to reflect light entering the corresponding optical waveguide from its first end to the light-receiving device or to reflect light emitted from the light-emitting device toward the first end of the corresponding optical waveguide. The second mirror is configured to reflect light entering the corresponding optical waveguide from its second end toward the surface of the optical waveguide sheet. The slit is provided between the second mirror and the second end of the corresponding optical waveguide. The corresponding optical waveguide is discontinuous across the slit.Type: ApplicationFiled: February 8, 2017Publication date: May 25, 2017Inventors: Rie Gappa, Osamu Daikuhara, Shinichiro Akieda, Satoshi Moriyama, Hongfei Zhang, Mitsuki Kanda
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Patent number: 9645319Abstract: An optical connector connectable to another optical connector includes an optical waveguide that includes a core, an attachment part to which the optical waveguide is attached, a lens part in which a positioning hole is formed, and a positioning pin that is provided on the attachment part and inserted through the positioning hole. The lens part and the attachment part are joined with the positioning pin being inserted into the positioning hole.Type: GrantFiled: March 4, 2016Date of Patent: May 9, 2017Assignee: FUJITSU COMPONENT LIMITEDInventors: Ayumu Akabane, Shinichiro Akieda, Hongfei Zhang