Patents by Inventor Hongfei Zhang
Hongfei Zhang 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: 9983367Abstract: An optical module for connecting between an optical fiber and a photoelectric conversion device mounted on a printed circuit board includes a main body made of transmissive material and having a slanted face and a bottom face, the slanted face being at an angle to the bottom face, a reception-purpose lens, and a transmission-purpose lens, wherein the slanted face serves as a mirror on an optical path extending in the main body between the reception-purpose lens and the transmission-purpose lens.Type: GrantFiled: September 12, 2016Date of Patent: May 29, 2018Assignees: FUJITSU COMPONENT LIMITED, FUJITSU LIMITEDInventors: Hongfei Zhang, Osamu Daikuhara, Hidenobu Muranaka
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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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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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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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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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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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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
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Publication number: 20170090125Abstract: 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: September 20, 2016Publication date: March 30, 2017Inventors: Shigemi Kurashima, Hongfei Zhang, Shinichiro Akieda, Osamu Daikuhara
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Publication number: 20170090131Abstract: An optical module for connecting between an optical fiber and a photoelectric conversion device mounted on a printed circuit board includes a main body made of transmissive material and having a slanted face and a bottom face, the slanted face being at an angle to the bottom face, a reception-purpose lens, and a transmission-purpose lens, wherein the slanted face serves as a mirror on an optical path extending in the main body between the reception-purpose lens and the transmission-purpose lens.Type: ApplicationFiled: September 12, 2016Publication date: March 30, 2017Inventors: Hongfei Zhang, Osamu Daikuhara, Hidenobu Muranaka
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Patent number: 9599773Abstract: 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 2, 2016Date of Patent: March 21, 2017Assignee: FUJITSU COMPONENT LIMITEDInventors: Rie Gappa, Osamu Daikuhara, Shinichiro Akieda, Satoshi Moriyama, Hongfei Zhang, Mitsuki Kanda
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Publication number: 20160356973Abstract: 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: May 26, 2016Publication date: December 8, 2016Inventors: Hongfei Zhang, Shigemi Kurashima, Satoshi Moriyama, Shinichiro Akieda, Rie Gappa, Mitsuki Kanda
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Publication number: 20160266324Abstract: 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: ApplicationFiled: March 4, 2016Publication date: September 15, 2016Inventors: Ayumu Akabane, Shinichiro Akieda, Hongfei Zhang
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Publication number: 20160231517Abstract: 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 2, 2016Publication date: August 11, 2016Inventors: Rie Gappa, Osamu Daikuhara, Shinichiro Akieda, Satoshi Moriyama, Hongfei Zhang, Mitsuki Kanda