Patents by Inventor Masahiro Kawano

Masahiro Kawano 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: 7277666
    Abstract: A developing apparatus includes a developing roller, a toner-supplying roller, and at least one toner-supplying member. The developing roller develops an electrostatic latent image formed on a photoconductive drum with toner. The toner-supplying roller is formed of a foamed material and rotates in contact with the developing roller to supply the toner to the developing roller. The toner-supplying member is disposed over the toner-supplying roller and opposes an upper surface of the toner-supplying roller. The toner-supplying member approaches the toner-supplying roller periodically to supply the toner to the toner-supplying roller. When the toner-supplying member is closest to the toner-supplying roller, the developer-supplying member and the toner-supplying roller are either in contact with each other or are spaced apart by a distance not longer than 0.8 mm.
    Type: Grant
    Filed: November 30, 2004
    Date of Patent: October 2, 2007
    Assignee: Oki Data Corporation
    Inventors: Masahiro Kawano, Yukiyoshi Oda
  • Patent number: 7103294
    Abstract: An image forming apparatus operates in such a way that when the conditions of toner changes due to changes in environmental conditions, changes with age, and replacement of an EP cartridge, the bias voltages for a charging roller, a developing roller, and a toner-supplying roller are set appropriately. An electrostatic latent image can be formed on a photoconductive body. The developing roller causes developer to adhere to the electrostatic latent image to develop the electrostatic latent image. The toner-supplying roller supplies the developer to the developing roller. The current measuring section measures a current flowing through at least one of the developing roller and the toner-supplying roller. An voltage-setting section sets at least one of the developing roller and the toner-supplying roller to a corresponding one of first voltages, the first voltages being set in timed relation with development of the electrostatic latent image.
    Type: Grant
    Filed: November 20, 2003
    Date of Patent: September 5, 2006
    Assignee: Oki Data Corporation
    Inventor: Masahiro Kawano
  • Publication number: 20050123324
    Abstract: A developing apparatus includes a developing roller, a toner-supplying roller, and at least one toner-supplying member. The developing roller develops an electrostatic latent image formed on a photoconductive drum with toner. The toner-supplying roller is formed of a foamed material and rotates in contact with the developing roller to supply the toner to the developing roller. The toner-supplying member is disposed over the toner-supplying roller and opposes an upper surface of the toner-supplying roller. The toner-supplying member approaches the toner-supplying roller periodically to supply the toner to the toner-supplying roller. When the toner-supplying member is closest to the toner-supplying roller, the developer-supplying member and the toner-supplying roller are either in contact with each other or are spaced apart by a distance not longer than 0.8 mm.
    Type: Application
    Filed: November 30, 2004
    Publication date: June 9, 2005
    Inventors: Masahiro Kawano, Yukiyoshi Oda
  • Publication number: 20050111886
    Abstract: A developer supply device provided is in contact with a developer carrying device. It comprises a surface member having at least one opening elongated in an axial direction of the developer supply device. The number of cellular walls counted in the circumferential direction is increased without increasing the number of openings so that the power of scraping the developer is increased. As a result, the dirty background on the print is minimized, thus enhancing the image quality.
    Type: Application
    Filed: September 30, 2004
    Publication date: May 26, 2005
    Inventor: Masahiro Kawano
  • Patent number: 6758684
    Abstract: In an IC socket of an open top type having a plurality of pin type contacts for electrical connection with an IC package inserted thereinto, the IC socket includes a socket body having a base plate, a vertically movable cover, a platform attached to the base plate and having an IC package mounting portion, and edge moving mechanisms each having a latch lever for holding the IC package placed on the platform and adapted to move the IC package from one side to the opposite side for adjusting and correcting the position of the IC package.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: July 6, 2004
    Assignee: Yamaichi Electronics Co., Ltd.
    Inventors: Takahiro Oikawa, Masahiro Kawano
  • Publication number: 20040101324
    Abstract: An image forming apparatus operates in such a way that when the conditions of toner changes due to changes in environmental conditions, changes with age, and replacement of an EP cartridge, the bias voltages for a charging roller, a developing roller, and a toner-supplying roller are set appropriately. An electrostatic latent image can be formed on a photoconductive body. The developing roller causes developer to adhere to the electrostatic latent image to develop the electrostatic latent image. The toner-supplying roller supplies the developer to the developing roller. The current measuring section measures a current flowing through at least one of the developing roller and the toner-supplying roller. An voltage-setting section sets at least one of the developing roller and the toner-supplying roller to a corresponding one of first voltages, the first voltages being set in timed relation with development of the electrostatic latent image.
    Type: Application
    Filed: November 20, 2003
    Publication date: May 27, 2004
    Applicant: Oki Data Corporation
    Inventor: Masahiro Kawano
  • Publication number: 20020187665
    Abstract: In an IC socket of an open top type having a plurality of pin type contacts for electrical connection with an IC package inserted thereinto, the IC socket includes a socket body having a base plate, a vertically movable cover, a platform attached to the base plate and having an IC package mounting portion, and edge moving mechanisms each having a latch lever for holding the IC package placed on the platform and adapted to move the IC package from one side to the opposite side for adjusting and correcting the position of the IC package.
    Type: Application
    Filed: June 5, 2002
    Publication date: December 12, 2002
    Applicant: YAMAICHI ELECTRONICS CO., LTD.
    Inventors: Takahiro Oikawa, Masahiro Kawano
  • Publication number: 20020041360
    Abstract: A method of displaying still images as a motion picture by sequentially displaying, at predetermined intervals, still frames representing the motion of some object being displayed is disclosed. The display method includes receiving a series of still images taken periodically of an object in motion, dividing the series of still images into small segments according to the continuous motion states of the object, and sequentially displaying frames representing the beginning of each of the object's continuous motion states followed by a frame representing the end of the object's final continuous motion state.
    Type: Application
    Filed: August 29, 2001
    Publication date: April 11, 2002
    Applicant: Kabushiki Kaisha NTTAd
    Inventors: Masahiro Kawano, Yutaka Inoue
  • Patent number: 6276827
    Abstract: In a cassette tray for radiography, a positioning plate is provided on a rear surface of a tray, and the positioning plate includes grooves corresponding to cassette sizes. A stopper for holding a cassette has a spring, and engaging pieces which engage the groove and formed at a lower end of a slider moving vertically between a front plate of the tray and the positioning plate. When the engaging pieces of the stopper engage the grooves, the stopper projects from the front surface of the tray to hold the cassette at the position. When the engaging pieces of the stopper do not engage the grooves, the stopper is located on the same plane as the front plate surface of the tray. If the stopper is pressed and moved along the surface of the tray, the position for the cassette to be used can be selected. Accordingly, the cassette tray can securely hold various-sized cassettes, and the attaching operation therefor can be carried out easily in a short period of time.
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: August 21, 2001
    Assignee: Shimadzu Corporation
    Inventors: Toshiaki Nakamura, Goroh Hirata, Masahiro Kawano, Toshio Kadowaki
  • Patent number: 6193415
    Abstract: A mobile device for an X-ray apparatus is formed of a freely rotatable hollow column disposed on a mobile base, a holding section for holding an X-ray tube in a vertical direction along the column, and a counter weight connected through a wire to the holding section to be suspended inside the column. A column rotating section formed of a bearing portion and a rotational shaft with a hollow part is disposed in the mobile base. A lower part of the counter weight is provided with a convex portion which enters into the hollow part of the rotational shaft. When the holding section for the X-ray tube is elevated to the highest point, the counter weight is lowered to the lowest point, wherein the convex portion of the counter weight enters into the hollow part of the rotational shaft. Thus, a volume of the hollow part can be utilized as a part of the volume of the counter weight to allow the counter weight to be made of iron and the like, other than lead.
    Type: Grant
    Filed: July 20, 1999
    Date of Patent: February 27, 2001
    Assignee: Shimadzu Corporation
    Inventors: Toshio Kadowaki, Goroh Hirata, Toshiaki Nakamura, Masahiro Kawano