Patents by Inventor Osamu Kagaya

Osamu Kagaya 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).

  • Publication number: 20150349411
    Abstract: Window glass for vehicle includes a glass plate, and a conductive film provided on the glass plate, and a linear conductor antenna provided within a region between a glass edge at an outer edge of the glass plate and a film edge at an outer edge or the conductive film. The conductive film includes a slot having an open end that opens at an opposing outer edge part of the conductive film, opposing the linear conductor antenna.
    Type: Application
    Filed: August 11, 2015
    Publication date: December 3, 2015
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Osamu KAGAYA, Tomohiro TAKAHASHI
  • Publication number: 20150319808
    Abstract: An electrically-heated window sheet material includes a heatable transparent conductive film, and bus bars for supplying electricity to the transparent conductive film. The bus bars includes left and right bus bars connected to left and right edges of the transparent conductive film. The transparent conductive film includes a band-shaped first region interposed between the left and right bus bars, a band-shaped second region interposed between the left and right bus bars, and openings provided in the first region. A distance between the left and right bus bars is shorter in the first region than in the second region. The openings are arranged so that a current flowing in the first region from one of the left and right bus bars to the other of the left and right bus bars is bypassed at least once by the openings.
    Type: Application
    Filed: July 16, 2015
    Publication date: November 5, 2015
    Inventors: Osamu KAGAYA, Hiromasa TOMINAGA, Tomohiro TAKAHASHI
  • Publication number: 20150319809
    Abstract: A sheet includes a conductive film, and bus bars including an upper and lower bus bars connected to upper and lower sides of the conductive film. The conductive film includes a recess, a first region between the upper bus bar and the lower bus bar, a second region that is another region between the upper and lower bus bars, and openings in the first region. The upper or lower bus bar is formed along a side of the conductive film including the recess. The first region is between a bus bar at which the recess is positioned and another bus bar facing the recess. A distance between the upper and lower bus bars is shorter in the first region than in the second region. The openings are formed in an upper or a lower part of the first region on a side of the another bus bar.
    Type: Application
    Filed: July 16, 2015
    Publication date: November 5, 2015
    Applicant: Asahi Glass Company, Limited
    Inventors: Osamu KAGAYA, Hiromasa Tominaga, Tomohiro Takahashi
  • Publication number: 20150282300
    Abstract: A differential transmission circuit includes: a dielectric layer for embedding a plurality of first strip conductor pairs arranged side by side in the same layer above a ground conductor layer, each of the plurality of first strip conductor pairs including a first right strip conductor and a first left strip conductor, the dielectric layer being formed from an upper side of the ground conductor layer up to a region above the plurality of first strip conductor pairs, the dielectric layer having a flat upper surface. A region between adjacent two of the plurality of first strip conductor pairs is embedded in the dielectric layer without arranging a conductor in the region.
    Type: Application
    Filed: March 31, 2015
    Publication date: October 1, 2015
    Inventors: Osamu KAGAYA, Koyu TAKAHASHI
  • Patent number: 9118114
    Abstract: Window glass for vehicle may include an antenna conductor having electrodes provided on a surface of a dielectric on a side opposite from a conductive film. The conductive film may include a slot with a first end part that opens at a peripheral edge part of the conductive film. The antenna conductor may include a loop-shaped antenna element which electrodes serve as a feeding point, and projections of the electrodes onto a glass plate are located at positions not overlapping the conductive film, and a projection of the loop-shaped antenna element onto the glass plate forms a crossover part that crosses the slot.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: August 25, 2015
    Assignee: ASAHI GLASS COMPANY, LIMITED
    Inventors: Osamu Kagaya, Kotaro Suenaga, Koji Ikawa
  • Patent number: 9112252
    Abstract: A differential transmission circuit includes a pair of transmission line conductors and a ground conductor layer, wherein the pair of transmission line conductors include a first straight line region where both the pair of transmission line conductors extend in parallel to each other in a first direction with a first width in a first layer, a first cross region where one of the pair of transmission line conductors is formed in the first layer, the other thereof is formed in a second layer, and the pair of transmission line conductors cross the each other in a three-dimensional manner, the first cross region being disposed on the front side of the first straight line region, and wherein each of the widths of the pair of transmission line conductors in the first cross region is smaller than the first width.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: August 18, 2015
    Assignee: Oclaro Japan, Inc.
    Inventor: Osamu Kagaya
  • Patent number: 8941545
    Abstract: A vehicle window glass has a glass plate, a conductive film laminated on the glass plate and an antenna structured with a feeding structure placed on the conductive film, and is characterized in that the feeding structure has a dielectric and a pair of electrodes, that the conductive film has a slot one end of which makes an upper edge of the conductive film an open end, and is disposed between the glass plate and the dielectric, and that the pair of electrodes are disposed on the opposite side of the side of the conductive film with the dielectric in between so that the slot is sandwiched between the pair of electrodes when the pair of electrodes are projected onto the conductive film, and are capacitively coupled to the conductive film.
    Type: Grant
    Filed: January 6, 2012
    Date of Patent: January 27, 2015
    Assignee: Asahi Glass Company, Limited
    Inventors: Osamu Kagaya, Koji Ikawa, Koutarou Suenaga
  • Publication number: 20140133108
    Abstract: A differential transmission circuit includes a pair of transmission line conductors and a ground conductor layer, wherein the pair of transmission line conductors include a first straight line region where both the pair of transmission line conductors extend in parallel to each other in a first direction with a first width in a first layer, a first cross region where one of the pair of transmission line conductors is formed in the first layer, the other thereof is formed in a second layer, and the pair of transmission line conductors cross the each other in a three-dimensional manner, the first cross region being disposed on the front side of the first straight line region, and wherein each of the widths of the pair of transmission line conductors in the first cross region is smaller than the first width.
    Type: Application
    Filed: January 21, 2014
    Publication date: May 15, 2014
    Applicant: OCLARO JAPAN, INC.
    Inventor: Osamu KAGAYA
  • Patent number: 8676058
    Abstract: A differential transmission circuit includes a grounded conductive layer, a pair of transmission line conductors, a conductive film and a via hole which connects the grounded conductive layer to the conductive film. The differential transmission circuit further includes a straight-line region which is present in the differential transmission circuit through which a differential transmission signal output by a driving circuit is transmitted and in which the pair of transmission line conductors extends parallel so as to have a first width, and a band rejection filter region in which the pair of transmission line conductors planarly overlaps the conductive film and extends parallel so as to have a second width narrower than the first width and a common mode of the differential transmission signal is attenuated at one of the frequencies which are natural number multiples of a frequency corresponding to the predetermined bit rate.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: March 18, 2014
    Assignee: Oclaro Japan, Inc.
    Inventor: Osamu Kagaya
  • Patent number: 8660434
    Abstract: A printed circuit board includes a substrate, a signal output circuit formed on the substrate for outputting a clock signal, a shield for covering the signal output circuit, a power supply wiring for connecting the signal output circuit and a power source, and a trap filter provided to the power supply wiring and provided inside the shield, for attenuating a frequency component corresponding to a frequency of clock signal. The trap filter includes a resonance circuit having one portion of the power supply wiring, an inner-layer wiring of the substrate located below the one portion of the power supply wiring, an inner-layer ground wiring of the substrate located below the inner-layer wiring, and a via hole for connecting the one portion of the power supply wiring and the inner-layer wiring.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: February 25, 2014
    Assignee: Oclaro Japan, Inc.
    Inventors: Osamu Kagaya, Koyu Takahashi, Taichi Kogure
  • Publication number: 20140022734
    Abstract: An optical module includes: an optical receiving module 101 provided with a plurality of leads 105 for transmitting an electrical signal at 15 Gbit/s or more; a printed circuit board 103 provided with a pad 106 that is connected with the plurality of leads 105 by solder; and a metal thin plate 102 that is provided between the printed circuit board 103 and the optical receiving module 101 when the optical receiving module 101 is mounted on the printed circuit board 103. The thickness of the metal thin plate 102 is defined in such a manner that a distance between the plurality of leads 105 and the pad 106 is in the range of 50 to 500 ?m after the optical receiving module. 101 is mounted on the printed circuit board 103.
    Type: Application
    Filed: June 4, 2013
    Publication date: January 23, 2014
    Inventors: Osamu YAMADA, Mitsuo AKASHI, Shinichi OKAYAMA, Osamu KAGAYA, Hiroyoshi ISHII
  • Patent number: 8633399
    Abstract: A differential transmission circuit includes a pair of transmission line conductors and a ground conductor layer, wherein the pair of transmission line conductors include a first straight line region where both the pair of transmission line conductors extend in parallel to each other in a first direction with a first width in a first layer, a first cross region where one of the pair of transmission line conductors is formed in the first layer, the other thereof is formed in a second layer, and the pair of transmission line conductors cross the each other in a three-dimensional manner, the first cross region being disposed on the front side of the first straight line region, and wherein each of the widths of the pair of transmission line conductors in the first cross region is smaller than the first width.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: January 21, 2014
    Assignee: Oclaro Japan, Inc.
    Inventor: Osamu Kagaya
  • Publication number: 20130285861
    Abstract: An antenna apparatus includes a glass plate that is fixed to a flange of a vehicle body at a window opening portion of the vehicle body; a dielectric material; a conductive film provided between the glass plate and the dielectric material; and a monopolar feeding portion provided on the dielectric material at a surface opposite to a glass plate side and at a position capable of being capacitively coupled to the conductive film, the antenna apparatus being configured such that a clearance between an end portion of the flange of the vehicle body and an outer edge of the conductive film functions as a slot antenna, the conductive film being provided with a notch having one end as an open end at the outer edge of the conductive film in the vicinity of the feeding portion.
    Type: Application
    Filed: June 27, 2013
    Publication date: October 31, 2013
    Inventor: Osamu KAGAYA
  • Publication number: 20130257664
    Abstract: Window glass for vehicle may include an antenna conductor having electrodes provided on a surface of a dielectric on a side opposite from a conductive film. The conductive film may include a slot with a first end part that opens at a peripheral edge part of the conductive film. The antenna conductor may include a loop-shaped antenna element which electrodes serve as a feeding point, and projections of the electrodes onto a glass plate are located at positions not overlapping the conductive film, and a projection of the loop-shaped antenna element onto the glass plate forms a crossover part that crosses the slot.
    Type: Application
    Filed: May 29, 2013
    Publication date: October 3, 2013
    Inventors: Osamu KAGAYA, Kotaro Suenaga, Koji Ikawa
  • Publication number: 20130163996
    Abstract: A printed circuit board includes a substrate, a signal output circuit formed on the substrate for outputting a clock signal, a shield for covering the signal output circuit, a power supply wiring for connecting the signal output circuit and a power source, and a trap filter provided to the power supply wiring and provided inside the shield, for attenuating a frequency component corresponding to a frequency of clock signal. The trap filter includes a resonance circuit having one portion of the power supply wiring, an inner-layer wiring of the substrate located below the one portion of the power supply wiring, an inner-layer ground wiring of the substrate located below the inner-layer wiring, and a via hole for connecting the one portion of the power supply wiring and the inner-layer wiring.
    Type: Application
    Filed: February 20, 2013
    Publication date: June 27, 2013
    Applicant: Oclaro Japan, Inc.
    Inventors: Osamu Kagaya, Koyu Takahashi, Taichi Kogure
  • Patent number: 8467118
    Abstract: To achieve a size-reduction of an optical module having a circuit that generates a high-frequency clock signal for controlling optical modulation by an optical modulator and to suppress radiation of electromagnetic waves from the optical module. A through-hole via is formed on a multilayer printed circuit board so as to be insulated from a plurality of grounded wiring layers by an anti-pad. A coaxial connector and an intensity modulation control IC that generates a high-frequency clock signal are provided on the multilayer printed circuit board. The high-frequency clock signal is input to the coaxial connector through a micro-strip line formed on the multilayer printed circuit board. An open stub connected to the through-hole via is provided on a wiring layer between a first wiring layer and a second wiring layer among the plurality of wiring layers.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: June 18, 2013
    Assignee: Oclaro Japan, Inc.
    Inventors: Osamu Kagaya, Hirofumi Nakagawa, Taichi Kogure
  • Patent number: 8385748
    Abstract: To reduce emission of an unintentional electromagnetic wave even if a frequency of a clock signal being output is high, a printed circuit board (10) includes: a substrate (101); signal output circuits (102 and 103) formed on the substrate (101), for outputting a clock signal; power supply wirings (109 and 110) for connecting the signal output circuits (102 and 103) and a power source; and trap filters (107 and 108) provided to the power supply wirings (109 and 110), for attenuating a frequency component corresponding to a frequency of the clock signal.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: February 26, 2013
    Assignee: Oclaro Japan, Inc.
    Inventors: Osamu Kagaya, Koyu Takahashi, Taichi Kogure
  • Publication number: 20120269522
    Abstract: A differential transmission circuit includes a grounded conductive layer, a pair of transmission line conductors, a conductive film and a via hole which connects the grounded conductive layer to the conductive film. The differential transmission circuit further includes a straight-line region which is present in the differential transmission circuit through which a differential transmission signal output by a driving circuit is transmitted and in which the pair of transmission line conductors extends parallel so as to have a first width, and a band rejection filter region in which the pair of transmission line conductors planarly overlaps the conductive film and extends parallel so as to have a second width narrower than the first width and a common mode of the differential transmission signal is attenuated at one of the frequencies which are natural number multiples of a frequency corresponding to the predetermined bit rate.
    Type: Application
    Filed: April 19, 2012
    Publication date: October 25, 2012
    Applicant: OPNEXT JAPAN, INC.
    Inventor: Osamu KAGAYA
  • Patent number: 8295057
    Abstract: In a semiconductor device such as a high-frequency power amplifier module, a plurality of amplifying means are formed on a semiconductor chip which is mounted on a main surface of a wiring substrate, and electrodes of the semiconductor chip are electrically connected by wires to electrodes of the wiring substrate. In order to make the high-frequency power amplifier module small in size, a substrate-side bonding electrode electrically connected to a wire set at a fixed reference electric potential is place at a location farther from a side of the semiconductor chip than a substrate-side output electrode electrically connected to an output wire. A substrate-side input electrode electrically connected to an input wire is located at a distance from the side of the semiconductor chip about equal to the distance from the side of the semiconductor chip to the substrate-side output electrode, or at a location farther from the side of the semiconductor chip than the substrate-side bonding electrode is.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: October 23, 2012
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Iwamichi Kohjiro, Yasuhiro Nunogawa, Sakae Kikuchi, Shizuo Kondo, Tetsuaki Adachi, Osamu Kagaya, Kenji Sekine, Eiichi Hase, Kiichi Yamashita
  • Publication number: 20120229998
    Abstract: A differential transmission circuit includes a pair of transmission line conductors and a ground conductor layer, wherein the pair of transmission line conductors include a first straight line region where both the pair of transmission line conductors extend in parallel to each other in a first direction with a first width in a first layer, a first cross region where one of the pair of transmission line conductors is formed in the first layer, the other thereof is formed in a second layer, and the pair of transmission line conductors cross the each other in a three-dimensional manner, the first cross region being disposed on the front side of the first straight line region, and wherein each of the widths of the pair of transmission line conductors in the first cross region is smaller than the first width.
    Type: Application
    Filed: February 23, 2012
    Publication date: September 13, 2012
    Applicant: OPNEXT JAPAN, INC.
    Inventor: Osamu KAGAYA