Patents by Inventor Koji Ikawa

Koji Ikawa 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).

  • Patent number: 9905919
    Abstract: An antenna includes a feeding element connected to a feeding point, a first radiating element that is spaced apart from the feeding element and is coupled to the feeding element through electromagnetic field coupling, a second radiating element that is spaced apart from the feeding element and is coupled to the feeding element through electromagnetic field coupling, a first control element that is connected to the feeding element via a first impedance variable unit, and a second control element that is connected to the feeding element via a second impedance variable unit, and a control unit that controls the first impedance variable unit to adjust the connection between the feeding element and the first control element and controls the second impedance variable unit to adjust the connection between the feeding element and the second control element.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: February 27, 2018
    Assignee: Ashai Glass Company, Limited
    Inventors: Toshiki Sayama, Ryuta Sonoda, Koji Ikawa
  • Patent number: 9894230
    Abstract: Provided is an image formation device with which expanded is easy and the development cost can be reduced. A device control platform manages hardware resource in an operating system. A standard application service interface unit provides an interface for utilizing a standard application function from outside of a standard application execution unit. A platform service interface unit provides an interface for utilizing hardware resource from the outside of the device control platform. A standard function service enables the use of the standard application functions corresponding to the standard application service interface unit. An expanded function service enables the use of the hardware resource corresponding to the platform service interface unit. An expanded application management unit manages and executes expanded applications capable of calling the standard function service and the expanded function service.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: February 13, 2018
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Kentaro Okamoto, Daijiro Kitamoto, Koji Ikawa, Satoshi Imai, Minoru Takahashi, Tomonori Naota, Katsuji Furushige, Tomihito Doi, Makoto Kowaka, Takashi Murakami, Kyota Mitsuyama, Wataru Tsukuda, Ayaka Ikejima, Yosuke Nakazato, Masato Hirota
  • Patent number: 9755300
    Abstract: A windshield includes a glass plate; a dielectric; an electrothermal layer that is disposed between the glass plate and the dielectric, and includes a conductive layer and strip electrodes having a resistance lower than a resistance of the conductive layer; and an antenna including a pair of electrodes disposed to face the electrothermal layer across the dielectric, and a slot at least a part of which is formed in one of the strip electrodes such that the slot is disposed between the pair of electrodes in plan view. The strip electrodes are disposed along at least two opposing outer edges of the conductive layer and are DC-coupled to the conductive layer such that the conductive layer is energized via the strip electrodes. One end of the slot is an open end that is open at an outer edge of the electrothermal layer.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: September 5, 2017
    Assignee: ASAHI GLASS COMPANY, LIMITED
    Inventors: Osamu Kagaya, Koji Ikawa
  • Publication number: 20170223208
    Abstract: Provided is an image formation device with which expanded is easy and the development cost can be reduced. A device control platform manages hardware resource in an operating system. A standard application service interface unit provides an interface for utilizing a standard application function from outside of a standard application execution unit. A platform service interface unit provides an interface for utilizing hardware resource from the outside of the device control platform. A standard function service enables the use of the standard application functions corresponding to the standard application service interface unit. An expanded function service enables the use of the hardware resource corresponding to the platform service interface unit. An expanded application management unit manages and executes expanded applications capable of calling the standard function service and the expanded function service.
    Type: Application
    Filed: April 23, 2015
    Publication date: August 3, 2017
    Applicant: KYOCERA Document Solutions Inc.
    Inventors: Kentaro OKAMOTO, Daijiro KITAMOTO, Koji IKAWA, Satoshi IMAI, Minoru TAKAHASHI, Tomonori NAOTA, Katsuji FURUSHIGE, Tomihito DOI, Makoto KOWAKA, Takashi MURAKAMI, Kyota MITSUYAMA, Wataru TSUKUDA, Ayaka IKEJIMA, Yosuke NAKAZATO, Masato HIROTA
  • Publication number: 20170212744
    Abstract: An electronic apparatus includes a control portion (1) including: an installation portion (11) that associates the user who performs installation with the installed program; and a program use control portion (17) that permits all users to use a first installed program associated with a first user and permit a second user and a third user who attempts to install a second installed program associated with the second user to use the second installed program. When the third user who is a user other than an administrator attempts to install an application program that the third user is not permitted to use, if the application program is the second installed program, the installation portion (11) does not perform installation and causes the program use control portion (17) to permit the third user to use the second installed program.
    Type: Application
    Filed: May 2, 2016
    Publication date: July 27, 2017
    Inventors: Kentaro Okamoto, Kyota Mitsuyama, Koji Ikawa
  • Patent number: 9711855
    Abstract: A multiband antenna includes a feeding element connected to a feeding point, a radiating element functioning as a radiating conductor, the radiating element being positioned apart from the feeding element and fed with electric power by electromagnetically coupling to the feeding element, a ground plane, and a non-feeding element being positioned close to the radiating element and connected to the ground plane via a reactance element. The reactance element has a reactance that causes the multiband antenna to match with a frequency other than a resonance frequency of a resonance mode of the radiating element.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: July 18, 2017
    Assignee: Asahi Glass Company, Limited
    Inventors: Ryuta Sonoda, Koji Ikawa, Toshiki Sayama
  • Publication number: 20170194692
    Abstract: An antenna device includes a ground plane; a first resonator extending in a direction at a distance from the ground plane and connected to a feeding point; and a second resonator arranged at a distance from the first resonator. The ground plane includes an edge portion formed along the second resonator, with a resonance current being formed on the first resonator and the ground plane. The second resonator is configured to function as a radiation conductor by resonance of the first resonator. A tip portion of the first resonator is located near a metallic part. The second resonator has a plurality of electrical lengths of differing resonance frequencies.
    Type: Application
    Filed: March 24, 2017
    Publication date: July 6, 2017
    Applicant: Asahi Glass Company, Limited
    Inventors: Toshiki SAYAMA, Ryuta SONODA, Koji IKAWA
  • Publication number: 20170187090
    Abstract: An antenna device is to be installed in a vehicle. The antenna device includes a first element; a second element; and a feeding part. An angle formed between an electric field plane generated at the first element and the second element and a direction of a long side of the vehicle is within a range of ±45 degrees.
    Type: Application
    Filed: March 14, 2017
    Publication date: June 29, 2017
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Kazuhiko NIWANO, Koji IKAWA
  • Patent number: 9661170
    Abstract: An image forming system includes a print device, a print job accepting circuit, an interrupt permission circuit, and a distance acquisition circuit. The interrupt permission circuit permits the interrupt print with a count of paper sheets equal to or less than a count of printable sheets printed by the print device within an interruptible time that ensures execution of the interrupt print, within an acceptable extension time by which an extension of completion time of the interrupted print job is accepted. The interrupt permission circuit calculates the acceptable extension time based on a remaining count of printed sheets of the print job to be interrupted. The interrupt permission circuit calculates the interruptible time by at least reducing an arrival time taken to arrive at the printer for the requester arrives at the print device based on a distance acquired by the distance acquisition circuit from the acceptable extension time.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: May 23, 2017
    Assignee: Kyocera Document Solutions Inc.
    Inventors: Kyota Mitsuyama, Koji Ikawa, Kentaro Okamoto
  • Publication number: 20170077599
    Abstract: A multi-antenna includes a ground plane; a first feeding point; a second feeding point that is different from the first feeding point; a first feed element that is connected to the first feeding point; a second feed element that is connected to the second feeding point, a cancellation electric current being generated in the second feed element; and a radiating element that functions as a radiation conductor when power is supplied by establishing electromagnetic field coupling with the first feed element and the second feed element.
    Type: Application
    Filed: November 28, 2016
    Publication date: March 16, 2017
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Toshiki Sayama, Ryuta Sonoda, Koji Ikawa
  • Patent number: 9509038
    Abstract: Vehicle window glass include a glass plate, a dielectric, a conductive film, placed between the glass plate and the dielectric, and an antenna including a pair of electrodes. The conductive film, includes a pair of facing parts that faces the electrodes across the dielectric, a main slot, and a pair of sub slots. The main slot has, at one end, an open end open at an outer edge of the conductive film, and is formed between the facing parts. Each sub slot has, at one end, an open end open at the outer edge of the conductive film. One of the sub slots connects, at the other end, to the main slot so as to surround one of the facing parts. The other of the sub slots connects, at the other end, to the main slot so as to surround the other of the facing parts.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: November 29, 2016
    Assignee: ASAHI GLASS COMPANY, LIMITED
    Inventors: Osamu Kagaya, Koji Ikawa, Kotaro Suenaga
  • Patent number: 9503602
    Abstract: Provided is the image forming apparatus, image formation method, and recording medium, which make unnecessary a change of the function in the side of a whole apparatus control platform, when the addition (extension) of the function of application is needed. Image processing service I/F, device operation service I/F, and network communication service I/F of a platform service I/F part are independent, without cooperating, respectively. Then, image processing service, device operation service, and network communication service of each part controlling service are called. That is calling a control service providing part of each part controlling service corresponding to the request from the standard application, directly, by each control service call part.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: November 22, 2016
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Katsuji Furushige, Minoru Takahashi, Takashi Murakami, Makoto Kowaka, Tomonori Naota, Ayaka Ikejima, Masato Hirota, Kyota Mitsuyama, Wataru Tsukuda, Yosuke Nakazato, Daijiro Kitamoto, Koji Ikawa, Satoshi Imai, Tomihito Doi, Kentaro Okamoto
  • Publication number: 20160322702
    Abstract: An antenna directivity control system includes an antenna including a plurality of antenna elements, feeding points for the plurality of antenna elements being mutually different; and a controller for controlling weight for each of the plurality of antenna elements, wherein each of the plurality of antenna elements includes a feed element connected to the feed point, and a radiating element that functions, upon power being fed by establishing electromagnetic field coupling with the feed element, as a radiating conductor, and wherein the controller controls a directivity of the antenna by adjusting an amplitude of a signal at each of the feeding points.
    Type: Application
    Filed: July 12, 2016
    Publication date: November 3, 2016
    Applicant: Asahi Glass Company, Limited
    Inventors: Toshiki SAYAMA, Ryuta SONODA, Koji IKAWA
  • Patent number: 9479665
    Abstract: Provided is an image forming device includes a control circuit having (1) a device control platform managing a hardware resource on an operating system, (2) a standard application execution part executing a standard application utilizing the hardware resource under the control of the device control platform, (3) an extended application platform with a standard function service that allows for a utilization of a function of the standard application executed by the standard application execution part, and (4) an install service adding, without having to change a configuration of a standard firmware, an interface in order to cope with a function that is not available and allowing for utilization thereof.
    Type: Grant
    Filed: May 30, 2015
    Date of Patent: October 25, 2016
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Masato Hirota, Tomihito Doi, Koji Ikawa, Ayaka Ikejima, Satoshi Imai, Daijiro Kitamoto, Makoto Kowaka, Kyota Mitsuyama, Takashi Murakami, Yosuke Nakazato, Tomonori Naota, Kentaro Okamoto, Minoru Takahashi, Wataru Tsukuda, Katsuji Furushige
  • Publication number: 20160301127
    Abstract: A mobile radio device includes a substrate including a ground plane; a casing for accommodating the substrate; and an antenna including a feed element that is connected to a feeding point, the ground plane being a reference of ground for the feeding point, and a radiating element that functions, upon power being fed by establishing electromagnetic field coupling with the feed element, as a radiation conductor, wherein the casing includes a conductor that is electrically and physically connected to the ground plane.
    Type: Application
    Filed: June 23, 2016
    Publication date: October 13, 2016
    Applicant: Asahi Glass Company, Limited
    Inventors: Ryuta SONODA, Koji Ikawa
  • Publication number: 20160295055
    Abstract: An image forming system includes a print device, a print job accepting circuit, an interrupt permission circuit, and a distance acquisition circuit. The interrupt permission circuit permits the interrupt print with a count of paper sheets equal to or less than a count of printable sheets printed by the print device within an interruptible time that ensures execution of the interrupt print, within an acceptable extension time by which an extension of completion time of the interrupted print job is accepted. The interrupt permission circuit calculates the acceptable extension time based on a remaining count of printed sheets of the print job to be interrupted. The interrupt permission circuit calculates the interruptible time by at least reducing an arrival time taken to arrive at the printer for the requester arrives at the print device based on a distance acquired by the distance acquisition circuit from the acceptable extension time.
    Type: Application
    Filed: March 31, 2016
    Publication date: October 6, 2016
    Inventors: Kyota Mitsuyama, Koji Ikawa, Kentaro Okamoto
  • Publication number: 20160226127
    Abstract: A MIMO antenna includes a plurality of antenna elements respectively including a plurality of conductive elements that are connected to different feeding points from each other; and one or more base members each being directly or indirectly provided at an upper edge portion of a windshield of a vehicle, the conductive elements being provided at either of the base members, wherein D/W, where “W” is a width of an open portion of a window frame at which the windshield is provided and “D” is a minimum distance between the conductive elements of the antenna elements in a direction parallel to the direction of “W”, is less than or equal to 0.35.
    Type: Application
    Filed: January 20, 2016
    Publication date: August 4, 2016
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Kazuhiko Niwano, Kouichirou Takahashi, Koji Ikawa
  • Publication number: 20160134015
    Abstract: Disclosed is an antenna directivity control system including variable directivity antennas; a measurement unit to measure received signal quality and channel quality of a received signal of the antennas; a selection unit to select, in response to a measured value of the received signal quality and a measured value of the channel quality, a directivity pattern that is to be set for the antennas from directivity pattern candidates that are prepared in advance; and a setting unit to set the selected directivity pattern for the antennas.
    Type: Application
    Filed: January 14, 2016
    Publication date: May 12, 2016
    Applicant: Asahi Glass Company, Limited
    Inventors: Ryuta SONODA, Koji IKAWA, Kotaro SUENAGA, Toshiki SAYAMA
  • Publication number: 20160134013
    Abstract: An antenna device includes a first antenna conductor having a first feeding point provided on windshield glass, a second antenna conductor having a second feeding point, a passive conductor, and an auxiliary conductor, wherein the first antenna conductor and the second antenna conductor are arranged in a vicinity of the auxiliary conductor with a predetermined gap therebetween, the passive conductor includes a first passive element extending in a direction away from the auxiliary conductor, and a second passive element connected to one end of the first passive element on a side of the auxiliary conductor and extending along the auxiliary conductor, and an open end of the second passive element is arranged at a position on a side of the first antenna conductor, and adjacent to the auxiliary conductor between the first antenna conductor and the second antenna conductor.
    Type: Application
    Filed: January 20, 2016
    Publication date: May 12, 2016
    Applicant: Asahi Glass Company, Limited
    Inventors: Kotaro SUENAGA, Osamu KAGAYA, Koji IKAWA
  • Publication number: 20160118708
    Abstract: An antenna device includes an antenna conductor on windshield glass, a feeding point having adjacent first and second feeding parts on the antenna conductor, and an auxiliary conductor including electrically connected horizontal and vertical conductors. The antenna conductor is adjacent to a connecting part between the horizontal and vertical conductors, and has a semi-loop shape with a cutout part in a loop-shape. The feeding point is located along the horizontal conductor, and the cutout part is located opposite from the horizontal conductor with respect to a horizontal line passing through a center point of a region surrounded by a semi-loop element, and opposite from the vertical conductor with respect to a vertical line passing through the center point. A length of a first element forming a part of the antenna conductor is 0.2?g or greater and 0.35?g or less, where ?g denotes a wavelength on the windshield glass.
    Type: Application
    Filed: January 8, 2016
    Publication date: April 28, 2016
    Applicant: Asahi Glass Company, Limited
    Inventors: Kotaro Suenaga, Osamu Kagaya, Koji Ikawa