Patents by Inventor Kazuhiro Mizukami
Kazuhiro Mizukami 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: 20120134625Abstract: An optical module configured to perform conversion between an optical signal and an electrical signal includes a board having a flat-plate shape; a light-receiving part and a light-emitting part attached on a surface of the board, the light-receiving part being configured to receive a first optical signal input from an optical cable and the light-emitting part being configured to output a second optical signal based on an input electrical signal; and an optical deflection member configured to deflect the first optical signal substantially 90 degrees and output the first optical signal to the light-receiving part and to deflect the second optical signal input from the light-emitting part substantially 90 degrees and output the second optical signal to the optical cable, the optical deflection member including multiple optical waveguides arranged in a first array and a second array.Type: ApplicationFiled: November 10, 2011Publication date: May 31, 2012Inventors: Takeshi Okuyama, Tadashi Kumamoto, Byung Hoon Jeon, Kazuhiro Mizukami
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Publication number: 20120135641Abstract: A disclosed connector includes a signal contact whose first end portion is to be connected to a connection terminal of another connector, wherein the signal contact is formed of an electrically conductive material; an insulating part including a groove part in which a second end portion of the signal contact is placed; a floating lead that is placed in the groove part and movable in a longitudinal direction of the groove part, wherein first end portion of the floating lead is to be in contact with the second end portion of the signal contact placed in the groove part; and a solder member adapted to electrically connect the first portion of the floating lead and the second end portion of the signal contact.Type: ApplicationFiled: November 25, 2011Publication date: May 31, 2012Applicant: FUJITSU COMPONENT LIMITEDInventors: Takeshi Okuyama, Tadashi Kumamoto, Kazuhiro Mizukami
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Patent number: 8157592Abstract: A connector includes a first connector member configured to arrange a plurality of plane first boards with gaps in a thickness direction of the first boards, the first board including a conductive layer and an insulation layer, the insulation layer having a surface where a first signal pattern is formed; and a second connector member configured to arrange a plurality of plane second boards with gaps in a thickness direction of the second boards, the second board including a conductive layer and an insulation layer, the insulation layer having a surface where a second signal pattern is formed.Type: GrantFiled: April 19, 2011Date of Patent: April 17, 2012Assignee: Fujitsu Component LimitedInventors: Kazuhiro Mizukami, Toshihiro Kusagaya
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Patent number: 8147274Abstract: A connector to be connected to a counterpart connector includes a circuit board having a ground layer, an insulating layer, and a first conductive layer successively stacked, the first conductive layer including a signal circuit and a ground circuit; and a second conductive layer electrically connecting the ground circuit and the ground layer, the second conductive layer being provided on a side of the counterpart connector in the ground circuit.Type: GrantFiled: May 19, 2010Date of Patent: April 3, 2012Assignee: Fujitsu Component LimitedInventor: Kazuhiro Mizukami
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Publication number: 20110306253Abstract: An electronic connector includes a connector body which is fixed to a board and to be connected to another connector; a cage which is formed by die-casting a metal and shaped to cover entire side surfaces of the connector body and the other connector; and a pressure cover which includes fixed terminals for fixing the pressure cover to the board, wherein the pressure cover is connected to the cage, and the cage is connected to the board by the fixed terminals of the pressure cover.Type: ApplicationFiled: June 3, 2011Publication date: December 15, 2011Inventors: Tadashi KUMAMOTO, Takeshi OKUYAMA, Kazuhiro MIZUKAMI, Toshihiro KUSAGAYA
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Publication number: 20110306248Abstract: A connector includes a plug connector and a jack connector configured to be connected with the plug connector. The plug connector includes a plug ground electrode, and a pair of plug terminals configured to transmit electric signals and having plug terminal connecting parts formed at first ends of the plug terminals. The jack connector includes a jack ground electrode, and a pair of jack terminals configured to transmit electric signals and having jack terminal connecting parts formed at first ends of the jack terminals. The jack terminal connecting parts are configured to be inserted between the plug terminal connecting parts and brought into contact with opposing surfaces of the plug terminal connecting parts when the jack connector is connected with the plug connector.Type: ApplicationFiled: May 31, 2011Publication date: December 15, 2011Inventors: Tadashi Kumamoto, Takeshi Okuyama, Kazuhiro Mizukami, Toshihiro Kusagaya
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Patent number: 8075323Abstract: A connector includes first and second connector parts to be connected to each other. A plate-like terminal provided in the first connector part is maintained at a power supply voltage or a ground potential. A plug connected to a signal line is supported by a first insulation part provided on the plate like terminal. The plug includes a protrusion part protruding from the first insulation part. A first terminal is configured by a plate spring supported by a second insulation part provided in the second connector part. The first terminal has an extreme end part to be engaged with a side surface of the protrusion part when the first and second connector parts are connected to each other. A second terminal for power supply or ground is supported by the second insulation part to contact with the plate-like terminal when the first and second connector parts are connected to each other.Type: GrantFiled: April 11, 2011Date of Patent: December 13, 2011Assignee: Fujisu Component LimitedInventors: Takeshi Okuyama, Tadashi Kumamoto, Kazuhiro Mizukami, Toshihiro Kusagaya
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Publication number: 20110294356Abstract: A connector includes a first connector member configured to arrange a plurality of plane first boards with gaps in a thickness direction of the first boards, the first board including a conductive layer and an insulation layer, the insulation layer having a surface where a first signal pattern is formed; and a second connector member configured to arrange a plurality of plane second boards with gaps in a thickness direction of the second boards, the second board including a conductive layer and an insulation layer, the insulation layer having a surface where a second signal pattern is formed.Type: ApplicationFiled: April 19, 2011Publication date: December 1, 2011Applicant: FUJITSU COMPONENT LIMITEDInventors: Kazuhiro Mizukami, Toshihiro Kusagaya
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Publication number: 20110293225Abstract: A photoelectric conversion module includes: a plurality of optical connectors each connectable to an optical communication path; an electrical connector connectable to an electrical communication path; a circuit board equipped with a light receiving and emitting element, the light receiving and emitting element converting an optical signal received by the optical connector into an electrical signal to be transmitted to the electrical connector and converting an electrical signal received by the electrical connector into an optical signal to be transmitted to the optical connector; and a waveguide optically connecting the optical connector and the electrical connector.Type: ApplicationFiled: May 24, 2011Publication date: December 1, 2011Applicant: FUJITSU COMPONENT LIMITEDInventors: Osamu Daikuhara, Kazuhiro Mizukami, Toshihiro Kusagaya
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Publication number: 20110250799Abstract: A connector includes first and second connector parts to be connected to each other. A plate-like terminal provided in the first connector part is maintained at a power supply voltage or a ground potential. A plug connected to a signal line is supported by a first insulation part provided on the plate like terminal. The plug includes a protrusion part protruding from the first insulation part. A first terminal is configured by a plate spring supported by a second insulation part provided in the second connector part. The first terminal has an extreme end part to be engaged with a side surface of the protrusion part when the first and second connector parts are connected to each other. A second terminal for power supply or ground is supported by the second insulation part to contact with the plate-like terminal when the first and second connector parts are connected to each other.Type: ApplicationFiled: April 11, 2011Publication date: October 13, 2011Applicant: FUJITSU COMPONENT LIMITEDInventors: TAKESHI OKUYAMA, TADASHI KUMAMOTO, KAZUHIRO MIZUKAMI, TOSHIHIRO KUSAGAYA
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Publication number: 20110189892Abstract: A male connector includes male connector modules placed in tiers and having respective first and second surfaces facing away from each other. The male connector modules each includes interconnection parts for electrical signal transmission on the first surface; a male connector ground part formed on the second surface so as to substantially cover the second surface; male connector contact parts provided at respective first ends of the interconnection parts on the first surface; male connector terminal parts joined to respective second ends of the interconnection parts on the first surface; and a male connector shield part provided on the side on which the male connector is configured to be connected to a female connector to be connected to the male connector ground and project relative to ends of the male connector contact parts in a direction in which the male connector is configured to be connected to the female connector.Type: ApplicationFiled: January 27, 2011Publication date: August 4, 2011Applicant: FUJITSU COMPONENT LIMITEDInventors: Kazuhiro Mizukami, Toshihiro Kusagaya
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Patent number: 7980893Abstract: A coaxial connector where a plug having a coaxial structure is connected in a direction substantially parallel with a board, the board being where the coaxial connector is mounted, the coaxial connector includes a signal contact having one end connected to a plug pin and another end bent or curved toward the board; and a ground contact having a substantially cylindrical shaped main body part, the main body part surrounding a part of the signal contact, the ground contact being connected to a plug side ground member by a first connecting part formed at one end of the main body part, the ground contact being connected to the board by a second connecting part formed at another end of the main body part, wherein the second connecting part includes a center member and an arm part.Type: GrantFiled: July 28, 2010Date of Patent: July 19, 2011Assignee: Fujitsu Component LimitedInventors: Koki Sato, Kazuhiro Mizukami, Toru Yamakami
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Publication number: 20110165319Abstract: An apparatus for forming a solder dam on a lead of an electronic component is disclosed. The apparatus for forming a solder dam includes a wire material that transfers an ink that prevents adhesion of a solder to the lead; a wire material conveying device that conveys the wire material along a surface of the lead; and an ink supply device that supplies the ink to the wire material.Type: ApplicationFiled: December 21, 2010Publication date: July 7, 2011Applicants: FUJITSU LIMITED, FUJITSU COMPONENT LIMITEDInventors: Masayuki KITAJIMA, Yutaka NODA, Hidehiko KOBAYASHI, Toshihiro KUSAGAYA, Kazuhiro MIZUKAMI
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Publication number: 20110165338Abstract: An apparatus for forming a solder dam on each lead of an electronic device includes a mask having one or more slits; and forming means that forms the solder dam made of non-metal material on the lead of the electronic device through the slits of the mask.Type: ApplicationFiled: December 23, 2010Publication date: July 7, 2011Applicants: FUJITSU LIMITED, FUJITSU COMPONENT LIMITEDInventors: Masayuki KITAJIMA, Yutaka NODA, Hidehiko KOBAYASHI, Toshihiro KUSAGAYA, Kazuhiro MIZUKAMI
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Publication number: 20110163152Abstract: A method of forming a solder dam on a lead of an electronic component includes forming the looped solder dam surrounding a target lead, to which the solder dam is to be formed, of a plurality of leads connected to the electronic component, by fitting a C-shaped fitted member to the target lead at a predetermined location.Type: ApplicationFiled: December 21, 2010Publication date: July 7, 2011Applicants: FUJITSU LIMITED, FUJITSU COMPONENT LIMITEDInventors: Masayuki KITAJIMA, Yutaka NODA, Hidehiko KOBAYASHI, Toshihiro KUSAGAYA, Kazuhiro MIZUKAMI
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Patent number: 7950963Abstract: A connector includes a wiring board; a lead connecting the wiring board electrically to an external board; and a conductive layer connecting the lead to the wiring board so as to allow the lead to move when the conductive layer is melted. The lead includes first through third regions. The first region, in contact with the conductive layer, is sandwiched between the second and third regions lower in wettability with respect to the liquid melt of the conductive layer than the first region. The wiring board includes a first region and second regions. The first region, in contact with the conductive layer, is sandwiched between the second regions lower in wettability with respect to the liquid melt than the first region. The center of the first region of the lead is offset and away from the external board relative to the center of the first region of the wiring board.Type: GrantFiled: October 18, 2010Date of Patent: May 31, 2011Assignee: Fujitsu Component LimitedInventors: Kazuhiro Mizukami, Toshihiro Kusagaya
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Patent number: 7922520Abstract: A cable connector includes a contact assembly including an electrically insulating block body and multiple signal contacts incorporated therein; an intermediary interconnection board having multiple contact connection pads, multiple groups of wire connection pads, and multiple interconnects on its surface, the interconnects connecting the contact connection pads to the corresponding wire connection pads, the contact connection pads being electrically connected to the corresponding signal contacts of the contact assembly; and a cable having multiple wires electrically connected to the corresponding wire connection pads. Adjacent groups of the wire connection pads are offset in a direction in which the interconnects extend in a manner to reduce crosstalk.Type: GrantFiled: June 10, 2009Date of Patent: April 12, 2011Assignee: Fujitsu Component LimitedInventor: Kazuhiro Mizukami
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Publication number: 20110075386Abstract: An electronic component includes: an electronic component body; and a lead secured to the electric component and including a projection portion defined by first and second inclined portions facing each other. The solder wettability of the first inclined portion is smaller than the solder wettability of the second inclined portion.Type: ApplicationFiled: September 1, 2010Publication date: March 31, 2011Applicants: FUJITSU LIMITED, FUJITSU COMPONENT LIMITEDInventors: Hiroaki Tamura, Fumihiko Tokura, Michinao Nomura, Toshihiro Kusagaya, Kazuhiro Mizukami
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Publication number: 20110039429Abstract: A connector includes a wiring board; a lead connecting the wiring board electrically to an external board; and a conductive layer connecting the lead to the wiring board so as to allow the lead to move when the conductive layer is melted. The lead includes first through third regions. The first region, in contact with the conductive layer, is sandwiched between the second and third regions lower in wettability with respect to the liquid melt of the conductive layer than the first region. The wiring board includes a first region and second regions. The first region, in contact with the conductive layer, is sandwiched between the second regions lower in wettability with respect to the liquid melt than the first region. The center of the first region of the lead is offset and away from the external board relative to the center of the first region of the wiring board.Type: ApplicationFiled: October 18, 2010Publication date: February 17, 2011Applicant: FUJITSU COMPONENT LIMITEDInventors: Kazuhiro Mizukami, Toshihiro Kusagaya
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Publication number: 20110028033Abstract: A coaxial connector where a plug having a coaxial structure is connected in a direction substantially parallel with a board, the board being where the coaxial connector is mounted, the coaxial connector includes a signal contact having one end connected to a plug pin and another end bent or curved toward the board; and a ground contact having a substantially cylindrical shaped main body part, the main body part surrounding a part of the signal contact, the ground contact being connected to a plug side ground member by a first connecting part formed at one end of the main body part, the ground contact being connected to the board by a second connecting part formed at another end of the main body part, wherein the second connecting part includes a center member surrounding two or more surfaces of the signal contact, and an arm part extending from a side part of the center member.Type: ApplicationFiled: July 28, 2010Publication date: February 3, 2011Inventors: Koki Sato, Kazuhiro Mizukami, Toru Yamakami