Patents by Inventor Kazuhiro Shimada

Kazuhiro Shimada 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: 20230384730
    Abstract: A powder conveying device includes a drop conveyance passage, an intersecting conveyance passage, a conveying screw, and a floating member. Powder entering from an inflow port drops in the drop conveyance passage. The intersecting conveyance passage communicates with a lower end of the drop conveyance passage and extends in an intersecting direction that intersects the drop conveyance passage. The conveying screw is disposed in the intersecting conveyance passage and rotates in a specified direction to convey the powder in the intersecting direction. The floating member is movably installed in the drop conveyance passage and floats in the drop conveyance passage to move by contact with the conveying screw. The inflow port and the floating member interfere with each other to prevent the floating member from coming out of the inflow port of the drop conveyance passage.
    Type: Application
    Filed: May 23, 2023
    Publication date: November 30, 2023
    Inventors: Kazuhiro SHIMADA, Seiichi KOGURE, Hideki KIMURA, Hiroshi KIKUCHI, Yusuke ISHIZUKA, Yutaka TAKAHASHI, Takuya AKIYAMA, Yutaka GOTO, Yuuki AOKI
  • Patent number: 11789385
    Abstract: An image forming apparatus includes an image bearer; a nip forming member configured to form a transfer nip between the image bearer and the nip forming member; a nip pressure changer configured to change a nip pressure of the transfer nip; a transfer bias applier configured to apply, to the transfer nip, a transfer bias in which an AC component is superimposed on a DC component; and a DC component adjuster configured to adjust the DC component in the transfer bias, according to the nip pressure that is changed by the nip pressure changer.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: October 17, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuuki Aoki, Seiichi Kogure, Hideki Kimura, Hiroshi Kikuchi, Yutaka Takahashi, Yusuke Ishizuka, Takuya Akiyama, Yutaka Goto, Kazuhiro Shimada
  • Publication number: 20230294938
    Abstract: A drive unit includes a drive source and a driving force transmitter that includes a plurality of rotators, an endless belt stretched by the plurality of rotators, a pressing member to press the endless belt, a first support shaft, a first link member to hold the pressing member, a second support shaft, a second link member to press the first link member, a biasing member to bias the second link member. A relation of L1 to L2 satisfies L1>L2, where L1 denotes a distance between the second support shaft and a biasing position and L2 denotes a distance between the second support shaft and a first pressing position. A relation of L3 to L4 satisfies L3>L4, where L3 denotes a distance between the first support shaft and the pressing position and L4 denotes a distance between the first support shaft and a second pressing position.
    Type: Application
    Filed: March 15, 2023
    Publication date: September 21, 2023
    Inventor: Kazuhiro SHIMADA
  • Publication number: 20230103454
    Abstract: A transfer device includes a transfer roller and a transfer counter roller. The transfer roller has an elastic layer, contacts with and separates from an image bearer including a belt-shaped elastic body, and nips a recording medium with the image bearer. The transfer counter roller has an elastic layer, is disposed facing the transfer roller, and nips the image bearer with the transfer roller. The transfer counter roller or the transfer roller is applied with a bias to transfer the toner image. Each of the elastic layers of the transfer roller and the transfer counter roller has an Asker C hardness of 75 or less. A difference in thickness between the elastic layers of the transfer roller and the transfer counter roller is ±3% or less.
    Type: Application
    Filed: August 31, 2022
    Publication date: April 6, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Hiroshi Kikuchi, Seiichi Kogure, Hideki Kimura, Yutaka Takahashi, Kazuhiro Shimada, Yusuke Ishizuka, Takuya Akiyama, Yutaka Goto, Yuuki Aoki
  • Publication number: 20230061068
    Abstract: A biasing force adjusting device includes a roller, a roller holder, a first biasing member, and a second biasing member. The roller faces a mover. The roller holder holds the roller and is displaceable with respect to the mover. The first biasing member applies a first biasing force to the roller holder to press the roller against the mover. The second biasing member applies a second biasing force greater than the first biasing force to the roller holder to press the roller against the mover.
    Type: Application
    Filed: August 11, 2022
    Publication date: March 2, 2023
    Inventors: Yutaka GOTO, Seiichi KOGURE, Hiroshi KIKUCHI, Hideki KIMURA, Yutaka TAKAHASHI, Kazuhiro SHIMADA, Yusuke ISHIZUKA, Takuya AKIYAMA, Yuuki AOKI
  • Publication number: 20220317601
    Abstract: An image forming apparatus includes an image bearer; a nip forming member configured to form a transfer nip between the image bearer and the nip forming member; a nip pressure changer configured to change a nip pressure of the transfer nip; a transfer bias applier configured to apply, to the transfer nip, a transfer bias in which an AC component is superimposed on a DC component; and a DC component adjuster configured to adjust the DC component in the transfer bias, according to the nip pressure that is changed by the nip pressure changer.
    Type: Application
    Filed: March 29, 2022
    Publication date: October 6, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Yuuki Aoki, Seiichi Kogure, Hideki Kimura, Hiroshi Kikuchi, Yutaka Takahashi, Yusuke Ishizuka, Takuya Akiyama, Yutaka Goto, Kazuhiro Shimada
  • Patent number: 10997400
    Abstract: A childcare support service offering system includes a terminal and a server. The terminal includes a camera and performs operation control and processing of transmitting terminal usage situation data including image data acquired by being picked up by the camera to the server. The server performs image analysis on the received image data, recognizes the user that watches the terminal, judges a gaze of the recognized user, and judges a degree of interest for the terminal based on the gaze. When the judged degree of interest becomes equal to or less than a predetermined threshold value, the server transmits a changing instruction for causing an operation in the terminal to be changed to another operation to the terminal.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: May 4, 2021
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Digital Solutions Corporation
    Inventors: Motokazu Iwasaki, Genki Fukatsu, Kazuhiro Shimada, Keisaku Nakamura, Satoko Kikuchi, Masaru Watabiki, Yuuka Asaumi, Kanako Miyawaki, Masakazu Kashita, Shinsuke Iuchi
  • Publication number: 20190228216
    Abstract: A childcare support service offering system includes a terminal and a server. The terminal includes a camera and performs operation control and processing of transmitting terminal usage situation data including image data acquired by being picked up by the camera to the server. The server performs image analysis on the received image data, recognizes the user that watches the terminal, judges a gaze of the recognized user, and judges a degree of interest for the terminal based on the gaze. When the judged degree of interest becomes equal to or less than a predetermined threshold value, the server transmits a changing instruction for causing an operation in the terminal to be changed to another operation to the terminal.
    Type: Application
    Filed: March 28, 2019
    Publication date: July 25, 2019
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Digital Solutions Corporation
    Inventors: Motokazu IWASAKI, Genki FUKATSU, Kazuhiro SHIMADA, Keisaku NAKAMURA, Satoko KIKUCHI, Masaru WATABIKI, Yuuka ASAUMI, Kanako MIYAWAKI, Masakazu KASHITA, Shinsuke IUCHI
  • Patent number: 9904247
    Abstract: A cooling device that is included in an image forming apparatus includes a first cooler configured to cool a first face of a recording medium and a second cooler configured to cool a second face of the recording medium. The first cooler includes a first heat absorbing face and a first liquid flowing passage. The first heat absorbing face is configured to contact an inner circumferential surface of a belt to face the first face of the recording medium. The second cooler includes a second heat absorbing face and a second liquid flowing passage. The second heat absorbing face is disposed facing the second face of the recording medium.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: February 27, 2018
    Assignee: Ricoh Company, Ltd.
    Inventors: Takahiro Ogino, Kazuhiro Shimada
  • Publication number: 20170123373
    Abstract: A cooling device that is included in an image forming apparatus includes a first cooler configured to cool a first face of a recording medium and a second cooler configured to cool a second face of the recording medium. The first cooler includes a first heat absorbing face and a first liquid flowing passage. The first heat absorbing face is configured to contact an inner circumferential surface of a belt to face the first face of the recording medium. The second cooler includes a second heat absorbing face and a second liquid flowing passage. The second heat absorbing face is disposed facing the second face of the recording medium.
    Type: Application
    Filed: October 17, 2016
    Publication date: May 4, 2017
    Inventors: Takahiro Ogino, Kazuhiro Shimada
  • Patent number: 9429586
    Abstract: An automatic analyzer includes: first reagent storing means for storing a plurality of the reagent containers; second reagent storing means for storing a replacement reagent container in addition to the first reagent storing means; transfer means for transferring the reagent container from the second reagent storing means to the first reagent means; and a storing portion for storing the reagent container discharged from the second reagent storing means. The automatic analyzer includes control means for exercising control such that the information write means writes reagent information on the information recording medium immediately before the reagent container is transferred from the second reagent storing means to the first reagent storing means or immediately before the reagent container is discharged from the second reagent storing means to the storing portion.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: August 30, 2016
    Assignees: Hitachi High-Technologies Corporation, Roche Diagnostics Operations Inc.
    Inventors: Atsushi Watanabe, Shigeki Matsubara, Kazuhiro Shimada, Kenji Teshigawara, Osamu Matsumoto, Sylvia Rosenblatt, Peter Wolf, Fridl Lang, Roland Ihrig
  • Patent number: 8580196
    Abstract: When a problematic reagent is identified while operating an automatic analyzer, it is required to have a plurality of screens displayed, and it is difficult for inexperienced operators to identify a problematic position of a reagent. With the present invention, control information for reagents and a calibrator required for analysis with an automatic analyzer are displayed concurrently, so that all necessary information can be referred to one screen. In the automatic analyzer according to the present invention, screen switching as required in the conventional technology is not necessary, and improved operability and visibility are provided.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: November 12, 2013
    Assignees: Hitachi High-Technologies Corporation, Roche Diagnostics Operations, Inc.
    Inventors: Yasunao Awata, Kazuhiro Shimada, Yoshimitsu Takagi, Toshihide Orihashi, Shigeki Matsubara, Werner Döppen, Dietmar Kappelhoff
  • Patent number: 7509052
    Abstract: An optical receiver includes a first light receiving element to convert an optical signal to an electric signal and to output the electric signal from one end. A light receiving element row is connected to the other end of the first light receiving element to supply electric power to the first light receiving element. The light receiving element row includes a plurality of second light receiving elements connected in series.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: March 24, 2009
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuhiro Shimada, Asako Ikeda, Shigeyuki Sakura
  • Publication number: 20080112708
    Abstract: An optical receiver comprises a first light receiving element to convert an optical signal to an electric signal and to output the electric signal from one end thereof; and a light receiving element row connected to the other end of said first light receiving element to supply electric power to said first light receiving element, said light receiving element row including a plurality of second light receiving elements connected in series.
    Type: Application
    Filed: April 24, 2007
    Publication date: May 15, 2008
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuhiro SHIMADA, Asako IKEDA, Shigeyuki SAKURA
  • Publication number: 20080056939
    Abstract: When a problematic reagent is identified upon operation of an automatic analyzer, it is required to have a plurality of screens displayed, and it is difficult for operators who do not have experience so much to identify a problematic position. With the present invention, control information for reagents and a calibrator required for analysis with an automatic analyzer are displayed concurrently, so that all necessary information can be referred to one screen. In the automatic analyzer according to the present invention, screen switching as required in the conventional technology is not necessary, and improved operability and visibility are provided.
    Type: Application
    Filed: August 16, 2007
    Publication date: March 6, 2008
    Inventors: Yasunao AWATA, Kazuhiro SHIMADA, Yoshimitsu TAKAGI, Toshihide ORIHASHI, Shigeki MATSUBARA
  • Patent number: 7248800
    Abstract: An optical receiver includes a first light receiving element to convert an optical signal to an electric signal and to output the electric signal from one end. A light receiving element row is connected to the other end of the first light receiving element to supply electric power to the first light receiving element. The light receiving element row includes a plurality of second light receiving elements connected in series.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: July 24, 2007
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhiro Shimada, Asako Ikeda, Shigeyuki Sakura
  • Publication number: 20050018952
    Abstract: There is provided an optical transmitter capable of highly accurate temperature compensation of optical output, and producible with a lower cost. The optical transmitter includes a light-emitting element including a first diode (light-emitting diode) and second diode formed together on the same semiconductor chip. The light-emitting element is used to measure a forward voltage across the second diode, which varies correspondingly to a change of the temperature of the light-emitting and increase or decrease the drive current through the first diode correspondingly to a change of the forward voltage. Also, a light-emitting element including a first diode (light-emitting diode) and second diode formed together on the same semiconductor chip is used to keep constant the temperature of the light-emitting element itself with the utilization of the heat dissipation from the second diode.
    Type: Application
    Filed: June 23, 2004
    Publication date: January 27, 2005
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventor: Kazuhiro Shimada
  • Publication number: 20040240887
    Abstract: An optical receiver comprises a first light receiving element to convert an optical signal to an electric signal and to output the electric signal from one end thereof; and a light receiving element row connected to the other end of said first light receiving element to supply electric power to said first light receiving element, said light receiving element row including a plurality of second light receiving elements connected in series.
    Type: Application
    Filed: October 14, 2003
    Publication date: December 2, 2004
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuhiro Shimada, Asako Ikeda, Shigeyuki Sakura
  • Patent number: 6767138
    Abstract: A fiber optic connector is provided for mating with a complementary connecting device along a mating optical axis. The connector includes an outer housing having a forward mating end, a rear end and a resilient latch arm for latching engagement with the complementary connecting device. The outer housing includes walls at the rear end thereof substantially surrounding the optical axis to define a cavity opening rearwardly of the housing. An inner housing is fitted into the rearwardly opening cavity in the outer housing, wherein the walls of the outer housing constrain the inner housing in “X” and “Y” directions generally perpendicular to the optical axis. The inner housing includes an optical element receiving cavity communicating with the optical axis.
    Type: Grant
    Filed: May 10, 2000
    Date of Patent: July 27, 2004
    Assignee: Molex Incorporated
    Inventors: Akihiro Miyachi, Masashi Seto, Kazuhiro Shimada, Hideo Tamura
  • Patent number: D489038
    Type: Grant
    Filed: May 28, 2002
    Date of Patent: April 27, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Kazuhiro Shimada