Patents by Inventor Kazuaki Tanaka

Kazuaki Tanaka 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: 20240138799
    Abstract: A radiographic imaging apparatus includes a plurality of pixels configured to convert radiation to electrical signals and a control section configured to determine an image capturing condition based on the electrical signals converted by the pixels and to start image capturing.
    Type: Application
    Filed: November 1, 2023
    Publication date: May 2, 2024
    Inventors: KAZUAKI UMEKAWA, KATSURO TAKENAKA, HIROYUKI TANAKA
  • Publication number: 20240134596
    Abstract: The content output device includes an information acquisition unit, a content generation unit and an output unit. The information acquisition unit acquires driving state information which is information related to a current driving state of a vehicle. The content generation unit acquires one or more content elements corresponding to a trigger condition, from among a plurality of content elements combinable with each other, when the driving state information satisfies the trigger condition, and generates an output content using the acquired content elements. The output unit outputs the output content.
    Type: Application
    Filed: June 29, 2021
    Publication date: April 25, 2024
    Inventors: Takashi IIZAWA, Keita KURAMOCHI, Atsuhiro YAMANAKA, Hideki NAGATA, Kazuaki TANAKA, Kyoichi TERAO, Takashi KAMIMURA, Daiki WAGURI, Yuya ISHIZAKI, Kei SUZUKI, Takayuki SHIMAZU
  • Publication number: 20240120817
    Abstract: A permanent magnet-type rotary electric machine includes a stator, a first rotor, and a second rotor. The stator includes a stator core, a plurality of stator teeth, a plurality of stator slots, a plurality of stator magnets, and a stator coil. The first rotor is disposed inside the stator core relative to the plurality of stator magnets. The second rotor is disposed inside the stator core relative to a plurality of first pole pieces. The second rotor includes a plurality of second pole pieces. A proportion of the number of the plurality of stator slots to the number of poles of the plurality of second pole pieces of the second rotor is greater than 1.25 and less than 1.5, or greater than 1.5 and less than 3.0.
    Type: Application
    Filed: December 23, 2020
    Publication date: April 11, 2024
    Applicants: Mitsubishi Electric Corporation, OSAKA UNIVERSITY
    Inventors: Haruyuki KOMETANI, Ryoji MIYATAKE, Takuro YAMADA, Kenji TANAKA, Katsuhiro HIRATA, Noboru NIGUCHI, Kazuaki TAKAHARA, Hironori SUZUKI, Takuya ITO
  • Publication number: 20240038124
    Abstract: A driver includes a first terminal, a second terminal, a control circuit, a first drive circuit, and a second drive circuit. The control circuit outputs a first pulse width signal group and a second pulse width signal group. The first drive circuit outputs a first segment drive signal to the first terminal based on a pulse width signal selected according to grayscale data. The second drive circuit outputs a second segment drive signal to the second terminal based on the pulse width signal selected according to the grayscale data. The first terminal is coupled to a first segment electrode and the second terminal is coupled to a second segment electrode.
    Type: Application
    Filed: July 27, 2023
    Publication date: February 1, 2024
    Inventor: Kazuaki Tanaka
  • Publication number: 20240005834
    Abstract: A driver includes a first terminal group and a second terminal group, a control circuit for outputting a first pulse width signal group including a plurality of pulse width signals corresponding to a plurality of gray levels, and a second pulse width signal group which is different in correspondence between gray levels and pulse widths from the first pulse width signal group, a first drive circuit for outputting a first segment drive signal group based on pulse width signals selected from the first pulse width signal group in accordance with gradation data, to a first terminal group, and a second drive circuit for outputting a second segment drive signal group based on pulse width signals selected from the second pulse width signal group in accordance with the gradation data, to a second terminal group.
    Type: Application
    Filed: June 28, 2023
    Publication date: January 4, 2024
    Inventor: Kazuaki Tanaka
  • Patent number: 11657743
    Abstract: A display driver includes a segment display portion drive circuit, a dot matrix display portion drive circuit, a segment data storage portion, a dot matrix data storage portion, and a control circuit, in which the dot matrix data storage portion stores data for second icon display, which is data for displaying a second icon that is a substitute for the first icon on the dot matrix display portion, and when the control circuit detects a display abnormality of the first icon, the control circuit transfers the data for second icon display from the dot matrix data storage portion to the dot matrix display portion drive circuit.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: May 23, 2023
    Inventor: Kazuaki Tanaka
  • Patent number: 11642964
    Abstract: A display device includes a display having a segment display portion that is configured to display a first icon and a dot matrix display portion, a display portion drive circuit outputting a drive signal for segment display to the segment display portion and outputting a drive signal for dot matrix display to the dot matrix display portion, a display abnormality detection circuit detecting a display abnormality of the first icon, a control circuit controlling the display portion drive circuit, and a processing unit providing the control circuit with an instruction to display a second icon, which is a substitute for the first icon, on the dot matrix display portion instead of an instruction to display the first icon on the segment display portion, when the display abnormality of the first icon is detected.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: May 9, 2023
    Inventor: Kazuaki Tanaka
  • Publication number: 20230063763
    Abstract: A display driver includes: a driver circuit that drives an electro-optical panel; an output terminal that outputs an output signal from the driver circuit; an output line that couples the output of the driver circuit and the output terminal; and an inspection circuit that detects an abnormality of the output signal output by the driver circuit to the output line by monitoring a voltage of the output signal. The inspection circuit determines whether the voltage of the output signal is abnormal by comparing the voltage of the output signal with a reference voltage whose voltage changes in each given cycle.
    Type: Application
    Filed: August 30, 2022
    Publication date: March 2, 2023
    Inventor: Kazuaki TANAKA
  • Publication number: 20220126692
    Abstract: A display device includes a display having a segment display portion that is configured to display a first icon and a dot matrix display portion, a display portion drive circuit outputting a drive signal for segment display to the segment display portion and outputting a drive signal for dot matrix display to the dot matrix display portion, a display abnormality detection circuit detecting a display abnormality of the first icon, a control circuit controlling the display portion drive circuit, and a processing unit providing the control circuit with an instruction to display a second icon, which is a substitute for the first icon, on the dot matrix display portion instead of an instruction to display the first icon on the segment display portion, when the display abnormality of the first icon is detected.
    Type: Application
    Filed: October 25, 2021
    Publication date: April 28, 2022
    Inventor: Kazuaki TANAKA
  • Publication number: 20220130301
    Abstract: A display driver includes a segment display portion drive circuit, a dot matrix display portion drive circuit, a segment data storage portion, a dot matrix data storage portion, and a control circuit, in which the dot matrix data storage portion stores data for second icon display, which is data for displaying a second icon that is a substitute for the first icon on the dot matrix display portion, and when the control circuit detects a display abnormality of the first icon, the control circuit transfers the data for second icon display from the dot matrix data storage portion to the dot matrix display portion drive circuit.
    Type: Application
    Filed: October 25, 2021
    Publication date: April 28, 2022
    Inventor: Kazuaki TANAKA
  • Patent number: 11236706
    Abstract: An intake passage of an engine includes a throttle valve, a supercharger, and a bypass passage connecting an upstream side with a downstream side of the supercharger and opening when the supercharger is not acting. When the supercharger is not acting, the intake passage generates forward flows in which intake air flows from the throttle valve toward the supercharger and bypass-directed flows in which the intake air is reversed due to blockage of forward movement by the supercharger and flows from the supercharger side toward a connection port, of the bypass passage, opening in the intake passage. An evaporated fuel introduction opening leading evaporated fuel produced in a fuel tank to the intake passage opens in a wall surface, on which the bypass-directed flow is generated, in the intake passage.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: February 1, 2022
    Assignee: Mazda Motor Corporation
    Inventors: Jiro Kato, Taketoshi Yamauchi, Ken Yoshida, Kenji Takami, Kazuaki Tanaka, Katsuya Rokuyama
  • Patent number: 11183138
    Abstract: A segment driver (100) that drives a display panel is provided with a signal output circuit (140), a first voltage generation circuit (15_1), a voltage output circuit (160), and an inspection circuit (170). The first voltage generation circuit (15_1) generated a voltage to be applied to an electrode (Ta1) based on a display signal indicating a first voltage or a second voltage that is higher than the first voltage. The voltage output circuit (160) includes an inspection voltage output line (Lx) for outputting an inspection voltage (Vd) for inspecting an application state of a voltage to the electrode (Ta1). The signal output circuit (140) includes a signal voltage output line (Ly) for outputting a signal voltage (Vs) of the display signal.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: November 23, 2021
    Inventor: Kazuaki Tanaka
  • Publication number: 20210310445
    Abstract: An intake passage of an engine includes a throttle valve, a supercharger, and a bypass passage connecting an upstream side with a downstream side of the supercharger and opening when the supercharger is not acting. When the supercharger is not acting, the intake passage generates forward flows in which intake air flows from the throttle valve toward the supercharger and bypass-directed flows in which the intake air is reversed due to blockage of forward movement by the supercharger and flows from the supercharger side toward a connection port, of the bypass passage, opening in the intake passage. An evaporated fuel introduction opening leading evaporated fuel produced in a fuel tank to the intake passage opens in a wall surface, on which the bypass-directed flow is generated, in the intake passage.
    Type: Application
    Filed: June 18, 2019
    Publication date: October 7, 2021
    Inventors: Jiro KATO, Taketoshi YAMAUCHI, Ken YOSHIDA, Kenji TAKAMI, Kazuaki TANAKA, Katsuya ROKUYAMA
  • Patent number: 11087712
    Abstract: A common driver 200 includes a voltage output circuit 160 that outputs an inspection voltage that is different between a first period and a second period to an inspection voltage output line Ld, and outputs a first voltage Va1 to a first segment electrode and a second voltage Va2 to a second segment electrode SE2 in the first period and the second period, a signal output circuit 140 that outputs, to a signal voltage output line Ls, a voltage of a first signal in the first period, and a voltage of a second signal in the second period, and an inspection circuit 170 that inspects whether or not an anomaly is present based on the voltage of the inspection voltage output line Ld and the voltage of the signal voltage output line Ls.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: August 10, 2021
    Inventor: Kazuaki Tanaka
  • Publication number: 20210158771
    Abstract: A segment driver (100) that drives a display panel is provided with a signal output circuit (140), a first voltage generation circuit (15_1), a voltage output circuit (160), and an inspection circuit (170). The first voltage generation circuit (15_1) generated a voltage to be applied to an electrode (Ta1) based on a display signal indicating a first voltage or a second voltage that is higher than the first voltage. The voltage output circuit (160) includes an inspection voltage output line (Lx) for outputting an inspection voltage (Vd) for inspecting an application state of a voltage to the electrode (Tal). The signal output circuit (140) includes a signal voltage output line (Ly) for outputting a signal voltage (Vs) of the display signal.
    Type: Application
    Filed: November 20, 2020
    Publication date: May 27, 2021
    Inventor: Kazuaki Tanaka
  • Publication number: 20210097953
    Abstract: A common driver 200 includes a voltage output circuit 160 that outputs an inspection voltage that is different between a first period and a second period to an inspection voltage output line Ld, and outputs a first voltage Va1 to a first segment electrode and a second voltage Va2 to a second segment electrode SE2 in the first period and the second period, a signal output circuit 140 that outputs, to a signal voltage output line Ls, a voltage of a first signal in the first period, and a voltage of a second signal in the second period, and an inspection circuit 170 that inspects whether or not an anomaly is present based on the voltage of the inspection voltage output line Ld and the voltage of the signal voltage output line Ls.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 1, 2021
    Inventor: Kazuaki TANAKA
  • Patent number: 9897044
    Abstract: A control system of an engine is provided. The control system includes an exhaust emission control catalyst provided in an exhaust passage, a deceleration fuel cutoff module for performing a deceleration fuel cutoff when a deceleration fuel cutoff condition is satisfied in an engine decelerating state, a purging unit for performing a purge to supply a purge gas to an intake passage during the deceleration fuel cutoff, an evaporated fuel supply amount estimating module for estimating a supply amount of evaporated fuel to the intake passage when the purge is performed, and a catalyst temperature estimating module for estimating a temperature of the exhaust emission control catalyst when the purge is performed, based on the supply amount of the evaporated fuel. The purging unit controls a supply flow rate of the purge gas to the intake passage when the purge is performed, based on the exhaust emission control catalyst temperature.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: February 20, 2018
    Assignee: Mazda Motor Corporation
    Inventors: Kazuaki Tanaka, Yuusou Sakamoto, Hiroshi Tsuboi
  • Patent number: 9890724
    Abstract: A control system of an engine in which a purge gas containing evaporated fuel desorbed from a canister is supplied to an intake passage of the engine is provided. The control system includes a deceleration fuel cutoff module for performing a deceleration fuel cutoff to stop a fuel supply from an injector to the engine when a predetermined deceleration fuel cutoff condition is satisfied in a decelerating state of the engine, a purge unit for purging by supplying the purge gas to the intake passage during the deceleration fuel cutoff, an O2 sensor provided in an exhaust passage of the engine, an abnormality determining module for determining an abnormality of the O2 sensor based on a change of an output value of the O2 sensor that is caused by the deceleration fuel cutoff, and a purge restricting module for restricting the purge during the abnormality determination.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: February 13, 2018
    Assignee: Mazda Motor Corporation
    Inventors: Kazuaki Tanaka, Hiroshi Tsuboi, Yuusou Sakamoto
  • Patent number: 9638125
    Abstract: A control system of an engine is provided. The control system includes a deceleration fuel cutoff module for performing a deceleration fuel cutoff when a deceleration fuel cutoff condition is satisfied in an engine decelerating state, a purge unit for purging by supplying a purge gas to an intake passage during the deceleration fuel cutoff, an exhaust emission control catalyst provided in an exhaust passage, an O2 sensor provided at a position of the exhaust passage downstream of the exhaust emission control catalyst, an abnormality determining module for determining an abnormality of the exhaust emission control catalyst, and a purge restricting module for restricting the purge during an immediately previous deceleration fuel cutoff.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: May 2, 2017
    Assignee: Mazda Motor Corporation
    Inventors: Kazuaki Tanaka, Yuusou Sakamoto, Hiroshi Tsuboi
  • Publication number: 20160237926
    Abstract: A control system of an engine is provided. The control system includes a deceleration fuel cutoff module for performing a deceleration fuel cutoff when a deceleration fuel cutoff condition is satisfied in an engine decelerating state, a purge unit for purging by supplying a purge gas to an intake passage during the deceleration fuel cutoff, an exhaust emission control catalyst provided in an exhaust passage, an O2 sensor provided at a position of the exhaust passage downstream of the exhaust emission control catalyst, an abnormality determining module for determining an abnormality of the exhaust emission control catalyst, and a purge restricting module for restricting the purge during an immediately previous deceleration fuel cutoff.
    Type: Application
    Filed: January 28, 2016
    Publication date: August 18, 2016
    Inventors: Kazuaki Tanaka, Yuusou Sakamoto, Hiroshi Tsuboi