Patents by Inventor Koji Doi
Koji Doi 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).
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Publication number: 20230096864Abstract: There is provided an image processing device capable of easily reducing a burden related to image recognition and obtaining stable recognition performance even when a posture of a vehicle changes from moment to moment. An image processing device 50 includes a storage unit 5 and an image processing unit 6. The storage unit 5 stores a pickup image acquired by an image pickup unit 4 mounted on the vehicle and an inclination angle transmitted from an inclination angle sensor 2 that detects the inclination angle of the vehicle. The image processing unit 6 performs image processing on the pickup image.Type: ApplicationFiled: December 25, 2020Publication date: March 30, 2023Applicant: HITACHI ASTEMIO, LTDInventors: Tetsuya YAMADA, Koji DOI, Takeshi SHIMA, Haruki MATONO, Hideaki KIDO
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Publication number: 20220415765Abstract: A semiconductor module includes a resin molded part encapsulating a semiconductor chip, a first terminal having a plate shape, and a second terminal having a plate shape. The first terminal and the second terminal are disposed on top of the other in a thickness direction. The first terminal is exposed from a first surface of the resin molded part, and the second terminal is projected from a second surface of the resin molded part to an outside of the resin molded part, the second surface being different from the first surface from which the first terminal is exposed.Type: ApplicationFiled: June 22, 2022Publication date: December 29, 2022Inventors: HIROSHI ISHINO, HIROKAZU SAMPEI, KATSUYA KUMAGAI, KOJI DOI
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Patent number: 10372261Abstract: A touch panel of capacitance type includes plural X-electrodes, plural Y-electrodes, and a Z-electrode. Each of the X-electrode and the Y-electrode is formed to have pad portions and thin line portions alternately arranged in an extending direction. The pad portion of the X-electrode and the pad portion of the Y-electrode are arranged without being overlapped in a planar view. The Z-electrode is electrically in a floating state, and formed to be overlapped with both the adjacent X-electrode and the Y-electrode in a planar view. The touched position is calculated based on a local minimal point as an intersection with the interelectrode capacitance value that is equal to or smaller than each of the interelectrode capacitance values of four peripheral intersections among those at the intersections between the plural X-electrodes and the plural Y-electrodes.Type: GrantFiled: January 3, 2017Date of Patent: August 6, 2019Assignee: Japan Display Inc.Inventors: Koji Doi, Koji Nagata
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Patent number: 10351048Abstract: An increase in the execution period of light distribution control is inhibited by reducing the number of images required for the light distribution control while achieving both object detection and light distribution control function. The present invention has an object detection unit for performing an object detection process, a light point detection unit for performing a light point detection process, and a light distribution control unit for controlling the illumination state of headlights on the basis of the result of the object detection process and the result of the light point detection process.Type: GrantFiled: November 9, 2016Date of Patent: July 16, 2019Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Hiroki Moizumi, Haruki Matono, Koji Doi, Takeshi Nagasaki
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Patent number: 10303294Abstract: A display device includes a display panel, a touch panel control unit, a plurality of scanning electrodes formed on the display panel, a plurality of detection electrodes formed on the display panel so as to intersect with the plurality of scanning electrodes, a drive signal supply unit for inputting a drive signal to each of the scanning electrodes, and a detection unit for detecting a detection signal from each of the detection electrodes. The touch panel control unit supplies the driving signal to each of the scanning electrodes from the drive signal supply unit to enable detection of a touch position of a detection object based on the detection signal detected, and supplies the driving signal to all of the scanning electrodes collectively from the drive signal supply unit to enable detection of approach of the detection object to the touch panel based on the detection signal detected.Type: GrantFiled: December 21, 2018Date of Patent: May 28, 2019Assignee: Japan Display Inc.Inventors: Koji Nagata, Koji Doi
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Publication number: 20190121491Abstract: A display device includes a display panel, a touch panel control unit, a plurality of scanning electrodes formed on the display panel, a plurality of detection electrodes formed on the display panel so as to intersect with the plurality of scanning electrodes, a drive signal supply unit for inputting a drive signal to each of the scanning electrodes, and a detection unit for detecting a detection signal from each of the detection electrodes. The touch panel control unit supplies the driving signal to each of the scanning electrodes from the drive signal supply unit to enable detection of a touch position of a detection object based on the detection signal detected, and supplies the driving signal to all of the scanning electrodes collectively from the drive signal supply unit to enable detection of approach of the detection object to the touch panel based on the detection signal detected.Type: ApplicationFiled: December 21, 2018Publication date: April 25, 2019Inventors: Koji NAGATA, Koji Doi
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Patent number: 10198117Abstract: A display device includes a display panel, a touch panel control unit, a plurality of scanning electrodes formed on the display panel, a plurality of detection electrodes formed on the display panel so as to intersect with the plurality of scanning electrodes, a drive signal supply unit for inputting a drive signal to each of the scanning electrodes, and a detection unit for detecting a detection signal from each of the detection electrodes. The touch panel control unit supplies the driving signal to each of the scanning electrodes from the drive signal supply unit to enable detection of a touch position of a detection object based on the detection signal detected, and supplies the driving signal to all of the scanning electrodes collectively from the drive signal supply unit to enable detection of approach of the detection object to the touch panel based on the detection signal detected.Type: GrantFiled: August 21, 2017Date of Patent: February 5, 2019Assignee: Japan Display Inc.Inventors: Koji Nagata, Koji Doi
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Patent number: 10148938Abstract: A vehicle-mounted image recognition device addresses the problem of obtaining a vehicle-mounted image recognition device capable of improving the efficiency of image processing.Type: GrantFiled: August 19, 2015Date of Patent: December 4, 2018Assignee: Hitachi Automotive Systems, Ltd.Inventors: Takeshi Nagasaki, Haruki Matono, Yoshiyuki Mutou, Koji Doi, Yuhi Shiina
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Publication number: 20180319319Abstract: An increase in the execution period of light distribution control is inhibited by reducing the number of images required for the light distribution control while achieving both object detection and light distribution control function. The present invention has an object detection unit for performing an object detection process, a light point detection unit for performing a light point detection process, and a light distribution control unit for controlling the illumination state of headlights on the basis of the result of the object detection process and the result of the light point detection process.Type: ApplicationFiled: November 9, 2016Publication date: November 8, 2018Applicant: Hitachi Automotive Systems, Ltd.Inventors: Hiroki MOIZUMI, Haruki MATONO, Koji DOI, Takeshi NAGASAKI
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Publication number: 20170344183Abstract: A display device includes a display panel, a touch panel control unit, a plurality of scanning electrodes formed on the display panel, a plurality of detection electrodes formed on the display panel so as to intersect with the plurality of scanning electrodes, a drive signal supply unit for inputting a drive signal to each of the scanning electrodes, and a detection unit for detecting a detection signal from each of the detection electrodes. The touch panel control unit supplies the driving signal to each of the scanning electrodes from the drive signal supply unit to enable detection of a touch position of a detection object based on the detection signal detected, and supplies the driving signal to all of the scanning electrodes collectively from the drive signal supply unit to enable detection of approach of the detection object to the touch panel based on the detection signal detected.Type: ApplicationFiled: August 21, 2017Publication date: November 30, 2017Inventors: Koji Nagata, Koji Doi
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Patent number: 9766748Abstract: A display device includes a display panel, a touch panel control unit, a plurality of scanning electrodes formed on the display panel, a plurality of detection electrodes formed on the display panel so as to intersect with the plurality of scanning electrodes, a drive signal supply unit for inputting a drive signal to each of the scanning electrodes, and a detection unit for detecting a detection signal from each of the detection electrodes. The touch panel control unit supplies the driving signal to each of the scanning electrodes from the drive signal supply unit to enable detection of a touch position of a detection object based on the detection signal detected, and supplies the driving signal to all of the scanning electrodes collectively from the drive signal supply unit to enable detection of approach of the detection object to the touch panel based on the detection signal detected.Type: GrantFiled: December 21, 2016Date of Patent: September 19, 2017Assignee: Japan Display Inc.Inventors: Koji Nagata, Koji Doi
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Publication number: 20170244954Abstract: The present invention addresses the problem of obtaining a vehicle-mounted image recognition device capable of improving the efficiency of image processing.Type: ApplicationFiled: August 19, 2015Publication date: August 24, 2017Inventors: Takeshi NAGASAKI, Haruki MATONO, Yoshiyuki MUTOU, Koji DOI, Yuhi SHIINA
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Patent number: 9678598Abstract: A capacitive touch panel includes a scanning circuit portion for inputting a drive voltage to each scanning electrode sequentially in 1st to n-th sub detection periods, a capacitance detection circuit portion for detecting a capacitance detection signal of the each detecting electrode in the 1st to n-th groups, and a control circuit portion for calculating a capacitance detection signal change amount from the capacitance detection signals of a plurality of the detecting electrodes detected by the capacitance detection circuit portion, and calculating coordinates of a touch position based on the capacitance detection signal change amounts.Type: GrantFiled: November 29, 2011Date of Patent: June 13, 2017Assignee: Japan Display Inc.Inventors: Norio Mamba, Koji Doi
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Publication number: 20170153755Abstract: A touch panel of capacitance type includes plural X-electrodes, plural Y-electrodes, and a Z-electrode. Each of the X-electrode and the Y-electrode is formed to have pad portions and thin line portions alternately arranged in an extending direction. The pad portion of the X-electrode and the pad portion of the Y-electrode are arranged without being overlapped in a planar view. The Z-electrode is electrically in a floating state, and formed to be overlapped with both the adjacent X-electrode and the Y-electrode in a planar view. The touched position is calculated based on a local minimal point as an intersection with the interelectrode capacitance value that is equal to or smaller than each of the interelectrode capacitance values of four peripheral intersections among those at the intersections between the plural X-electrodes and the plural Y-electrodes.Type: ApplicationFiled: January 3, 2017Publication date: June 1, 2017Inventors: Koji Doi, Koji Nagata
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Publication number: 20170097732Abstract: A display device includes a display panel, a touch panel control unit, a plurality of scanning electrodes formed on the display panel, a plurality of detection electrodes formed on the display panel so as to intersect with the plurality of scanning electrodes, a drive signal supply unit for inputting a drive signal to each of the scanning electrodes, and a detection unit for detecting a detection signal from each of the detection electrodes. The touch panel control unit supplies the driving signal to each of the scanning electrodes from the drive signal supply unit to enable detection of a touch position of a detection object based on the detection signal detected, and supplies the driving signal to all of the scanning electrodes collectively from the drive signal supply unit to enable detection of approach of the detection object to the touch panel based on the detection signal detected.Type: ApplicationFiled: December 21, 2016Publication date: April 6, 2017Inventors: Koji NAGATA, Koji Doi
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Patent number: 9569038Abstract: A touch panel of capacitance type includes plural X-electrodes, plural Y-electrodes, and a Z-electrode. Each of the X-electrode and the Y-electrode is formed to have pad portions and thin line portions alternately arranged in an extending direction. The pad portion of the X-electrode and the pad portion of the Y-electrode are arranged without being overlapped in a planar view. The Z-electrode is electrically in a floating state, and formed to be overlapped with both the adjacent X-electrode and the Y-electrode in a planar view. The touched position is calculated based on a local minimal point as an intersection with the interelectrode capacitance value that is equal to or smaller than each of the interelectrode capacitance values of four peripheral intersections among those at the intersections between the plural X-electrodes and the plural Y-electrodes.Type: GrantFiled: September 22, 2011Date of Patent: February 14, 2017Assignee: Japan Display Inc.Inventors: Koji Doi, Koji Nagata
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Patent number: 9563307Abstract: A display device includes a display panel, a touch panel control unit, a plurality of scanning electrodes formed on the display panel, a plurality of detection electrodes formed on the display panel so as to intersect with the plurality of scanning electrodes, a drive signal supply unit for inputting a drive signal to each of the scanning electrodes, and a detection unit for detecting a detection signal from each of the detection electrodes. The touch panel control unit supplies the driving signal to each of the scanning electrodes from the drive signal supply unit to enable detection of a touch position of a detection object based on the detection signal detected, and supplies the driving signal to all of the scanning electrodes collectively from the drive signal supply unit to enable detection of approach of the detection object to the touch panel based on the detection signal detected.Type: GrantFiled: November 19, 2015Date of Patent: February 7, 2017Assignee: Japan Display Inc.Inventors: Koji Nagata, Koji Doi
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Publication number: 20160077661Abstract: A display device includes a display panel, a touch panel control unit, a plurality of scanning electrodes formed on the display panel, a plurality of detection electrodes formed on the display panel so as to intersect with the plurality of scanning electrodes, a drive signal supply unit for inputting a drive signal to each of the scanning electrodes, and a detection unit for detecting a detection signal from each of the detection electrodes. The touch panel control unit supplies the driving signal to each of the scanning electrodes from the drive signal supply unit to enable detection of a touch position of a detection object based on the detection signal detected, and supplies the driving signal to all of the scanning electrodes collectively from the drive signal supply unit to enable detection of approach of the detection object to the touch panel based on the detection signal detected.Type: ApplicationFiled: November 19, 2015Publication date: March 17, 2016Inventors: Koji NAGATA, Koji Doi
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Patent number: 9239644Abstract: In a liquid crystal display device, a second substrate has detection electrodes of a touch panel, each of pixels has a pixel electrode and a counter electrode divided into a plurality of blocks. The counter electrodes of the respective blocks are commonly provided for the respective pixels of plural continuous display lines, the counter electrodes of the respective blocks double scanning electrodes of the touch panel, and a driver circuit that applies a counter voltage and a touch panel scanning voltage to the counter electrodes of the respective blocks is provided. The driver circuit sequentially applies the touch panel scanning voltage to the counter electrodes of the respective blocks in plural times, while a drive pulse for displaying an image on a liquid crystal display panel is not varied, and drive frequencies of the respective touch panel scanning voltages are different from each other.Type: GrantFiled: March 27, 2015Date of Patent: January 19, 2016Assignee: Japan Display Inc.Inventors: Koji Doi, Kouji Hayakawa
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Patent number: 9223434Abstract: A display device includes a display panel, a touch panel control unit, a plurality of scanning electrodes formed on the display panel, a plurality of detection electrodes formed on the display panel so as to intersect with the plurality of scanning electrodes, a drive signal supply unit for inputting a drive signal to each of the scanning electrodes, and a detection unit for detecting a detection signal from each of the detection electrodes. The touch panel control unit supplies the driving signal to each of the scanning electrodes from the drive signal supply unit to enable detection of a touch position of a detection object based on the detection signal detected, and supplies the driving signal to all of the scanning electrodes collectively from the drive signal supply unit to enable detection of approach of the detection object to the touch panel based on the detection signal detected.Type: GrantFiled: October 29, 2014Date of Patent: December 29, 2015Assignee: Japan Display Inc.Inventors: Koji Nagata, Koji Doi