Patents by Inventor Masayuki Nikaido
Masayuki Nikaido 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: 20150295642Abstract: An optical active cable includes an optical cable, optical modules disposed at both ends of the optical cable and each including a transmission part including a light emitting element and a reception part including a light receiving element, a light intensity detection part disposed in each of the optical modules to detect an intensity of a light received by the light receiving element, a communication means to transmit and receive a data of the light intensity detected by the light intensity detection part between the optical modules, and a light intensity transmission reception part disposed in each of the optical modules to transmit the data of the light intensity detected by the light intensity detection part to an opposite one of the optical modules via the communication means, and to receive the data of the light intensity transmitted from an opposite one of the optical modules via the communication means.Type: ApplicationFiled: May 30, 2014Publication date: October 15, 2015Applicant: Hitachi Metals, Ltd.Inventors: Masayuki NIKAIDO, Hiroki KATAYAMA, Yuki NAGANUMA
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Patent number: 8905442Abstract: A latch structure according to an embodiment includes a cage having an engagement hole, a connector attachably and detachably held in the cage, the connector comprising a connector body having an almost rectangular parallelepiped shape and an insertion part to be inserted into the cage formed on an end surface of the connector body, a latch cover rockably installed in an upper surface of the connector body, being formed of a single plate material and having a cover body for covering the upper surface of the connector body, an engagement claw to engage with the engagement hole of the cage formed at an end portion of the latch cover, a spring member for always energizing the latch cover so that the engagement claw engages with the engagement hole, a rocking member formed in both sides of the cover body of the latch cover and formed by bending the plate material downward and a rocking groove formed in both side surfaces of the connector body for rockably engaging with the rocking member, wherein the rocking membType: GrantFiled: December 21, 2009Date of Patent: December 9, 2014Assignee: Hitachi Metals, Ltd.Inventors: Yoshiaki Ishigami, Kenichi Tamura, Masayuki Nikaido
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Patent number: 8669515Abstract: A photoelectric conversion module includes a transmission side photoelectric conversion part for converting an electrical signal into an optical signal, a transmission side circuit board on which the transmission side photoelectric conversion part is mounted on a top surface side of the transmission side circuit board, a reception side photoelectric conversion part for converting an optical signal into an electrical signal, a reception side circuit board on which the reception side photoelectric conversion part is mounted on a top surface side of the reception side circuit board, and a housing. The transmission side circuit board and the reception side circuit board are placed such that a back surface of the transmission side circuit board is opposite to the housing and a back surface of the reception side circuit board is opposite to the housing.Type: GrantFiled: July 20, 2010Date of Patent: March 11, 2014Assignee: Hitachi Cable, Ltd.Inventors: Yoshiaki Ishigami, Kenichi Tamura, Masayuki Nikaido
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Patent number: 8466409Abstract: A photoelectric conversion module includes a transmission side photoelectric conversion part for converting an electrical signal into an optical signal, a transmission side circuit board on which the transmission side photoelectric conversion part is mounted off-center to one side of the transmission side circuit board at one end of the transmission side circuit board, a reception side photoelectric conversion part for converting an optical signal into an electrical signal, and a reception side circuit board on which the reception side photoelectric conversion part is mounted off-center to one side of the reception side circuit board at one end of the reception side circuit board. A surface of the transmission side circuit board on which the transmission side photoelectric conversion part is mounted is opposite to a surface of the reception side circuit board on which the reception side photoelectric conversion part is mounted.Type: GrantFiled: July 21, 2010Date of Patent: June 18, 2013Assignee: Hitachi Cable, Ltd.Inventors: Yoshiaki Ishigami, Kenichi Tamura, Masayuki Nikaido
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Patent number: 8395906Abstract: A high-speed transmission circuit board connection structure includes a first high-speed transmission circuit board including a laminated substrate including a first signal transmission wiring formed on a surface thereof and a ground plane formed inside thereof, a second high-speed transmission circuit board including a circuit substrate and a second signal transmission wiring formed on a surface of the circuit substrate, a conductive board connecting member for fixing the first and second high-speed transmission circuit boards to a surface thereof, and a bonding wire for electrically connecting the first signal transmission wiring and the second signal transmission wiring. The ground plane is exposed on a side end face of the laminated substrate, and a conductive film is formed on the side end face such that the ground plane of the first high-speed transmission circuit board is electrically connected to the board connecting member with the conductive film.Type: GrantFiled: June 1, 2010Date of Patent: March 12, 2013Assignee: Hitachi Cable, Ltd.Inventors: Masayuki Nikaido, Yoshiaki Ishigami, Kenichi Tamura, Takehiko Tokoro
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Publication number: 20110031379Abstract: A photoelectric conversion module includes a transmission side photoelectric conversion part for converting an electrical signal into an optical signal, a transmission side circuit board on which the transmission side photoelectric conversion part is mounted off-center to one side of the transmission side circuit board at one end of the transmission side circuit board, a reception side photoelectric conversion part for converting an optical signal into an electrical signal, and a reception side circuit board on which the reception side photoelectric conversion part is mounted off-center to one side of the reception side circuit board at one end of the reception side circuit board. A surface of the transmission side circuit board on which the transmission side photoelectric conversion part is mounted is opposite to a surface of the reception side circuit board on which the reception side photoelectric conversion part is mounted.Type: ApplicationFiled: July 21, 2010Publication date: February 10, 2011Applicant: HITACHI CABLE, LTD.Inventors: Yoshiaki ISHIGAMI, Kenichi TAMURA, Masayuki NIKAIDO
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Publication number: 20110031385Abstract: A photoelectric conversion module includes a transmission side photoelectric conversion part for converting an electrical signal into an optical signal, a transmission side circuit board on which the transmission side photoelectric conversion part is mounted on a top surface side of the transmission side circuit board, a reception side photoelectric conversion part for converting an optical signal into an electrical signal, a reception side circuit board on which the reception side photoelectric conversion part is mounted on a top surface side of the reception side circuit board, and a housing. The transmission side circuit board and the reception side circuit board are placed such that a back surface of the transmission side circuit board is opposite to the housing and a back surface of the reception side circuit board is opposite to the housing.Type: ApplicationFiled: July 20, 2010Publication date: February 10, 2011Applicant: HITACHI CABLE, LTD.Inventors: Yoshiaki ISHIGAMI, Kenichi TAMURA, Masayuki NIKAIDO
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Publication number: 20100328920Abstract: A high-speed transmission circuit board connection structure includes a first high-speed transmission circuit board including a laminated substrate including a first signal transmission wiring formed on a surface thereof and a ground plane formed inside thereof, a second high-speed transmission circuit board including a circuit substrate and a second signal transmission wiring formed on a surface of the circuit substrate, a conductive board connecting member for fixing the first and second high-speed transmission circuit boards to a surface thereof, and a bonding wire for electrically connecting the first signal transmission wiring and the second signal transmission wiring. The ground plane is exposed on a side end face of the laminated substrate, and a conductive film is formed on the side end face such that the ground plane of the first high-speed transmission circuit board is electrically connected to the board connecting member with the conductive film.Type: ApplicationFiled: June 1, 2010Publication date: December 30, 2010Applicant: Hitachi Cable, Ltd.Inventors: Masayuki Nikaido, Yoshiaki Ishigami, Kenichi Tamura, Takehiko Tokoro
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Publication number: 20100194119Abstract: A latch structure according to an embodiment includes a cage having an engagement hole, a connector attachably and detachably held in the cage, the connector comprising a connector body having an almost rectangular parallelepiped shape and an insertion part to be inserted into the cage formed on an end surface of the connector body, a latch cover rockably installed in an upper surface of the connector body, being formed of a single plate material and having a cover body for covering the upper surface of the connector body, an engagement claw to engage with the engagement hole of the cage formed at an end portion of the latch cover, a spring member for always energizing the latch cover so that the engagement claw engages with the engagement hole, a rocking member formed in both sides of the cover body of the latch cover and formed by bending the plate material downward and a rocking groove formed in both side surfaces of the connector body for rockably engaging with the rocking member, wherein the rocking membType: ApplicationFiled: December 21, 2009Publication date: August 5, 2010Applicant: HITACHI CABLE, LTD.Inventors: Yoshiaki ISHIGAMI, Kenichi TAMURA, Masayuki NIKAIDO