Patents by Inventor Shinji Yamagishi
Shinji Yamagishi 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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Patent number: 11972084Abstract: A touch panel system includes a touch panel, a cover member overlapping the touch panel, and a controller. The controller includes a position detection unit configured to detect a position of a pointer, based on a signal value obtained from a position detection electrode, an amplification processing unit configured to perform amplification processing on at least one signal value in a pressing force detection range corresponding to the position of the pointer detected by the position detection unit among signal values obtained from a pressing force detection electrode, and a pressing force detection unit configured to calculate magnitude of a pressing force generated by the pointer, based on a signal value after the amplification processing being a signal value in the pressing force detection range including a signal value obtained by amplification by the amplification processing unit.Type: GrantFiled: December 12, 2022Date of Patent: April 30, 2024Assignee: Sharp Display Technology CorporationInventors: Shinji Yamagishi, Takenori Maruyama, Kazutoshi Kida, Takuma Yamamoto, Yasuhiro Sugita, Hiroshi Fukushima
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Publication number: 20240028168Abstract: A touch panel includes: a drive electrode supplied with a drive signal; a position detecting electrode detecting a position included in a touch surface and touched with a pointing object, and a pressure detecting electrode detecting pressure applied on the touch surface with the pointing object, the position detecting electrode and the pressure detecting electrode being disposed across the drive electrode from the touch surface; and a floating electrode having a floating potential. The position detecting electrode, the pressure detecting electrode, and the floating electrode are formed in a layer.Type: ApplicationFiled: July 10, 2023Publication date: January 25, 2024Inventors: Takenori MARUYAMA, Kazutoshi KIDA, Shinji YAMAGISHI, Takuma YAMAMOTO, Yasuhiro SUGITA, Hiroshi FUKUSHIMA
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Patent number: 11842023Abstract: A touch panel include a cover member, a drive electrode, a pressure detecting electrode, and a position detecting electrode. The pressure detecting electrode and the position detecting electrode are alternately arranged in a first direction. The pressure detecting electrode includes a plurality of pressure detecting sections, arranged side by side in a second direction orthogonal to the first direction, that each independently detect a pressure. The position detecting electrode includes a plurality of position detecting sections, arranged side by side in the second direction, that each independently detect a touched position. The area of a pressure detecting section is larger than the area of a position detecting section.Type: GrantFiled: September 17, 2022Date of Patent: December 12, 2023Assignee: Sharp Display Technology CorporationInventors: Takenori Maruyama, Kazutoshi Kida, Shinji Yamagishi, Takuma Yamamoto, Yasuhiro Sugita, Hiroshi Fukushima
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Patent number: 11789564Abstract: A touch panel system includes an electrostatic capacitance type touch panel including a drive electrode, a position detection electrode, and a pressing force detection electrode; and a controller configured to provide a drive signal to the drive electrode and acquire a position signal value from the position detection electrode and a pressing force signal value from the pressing force detection electrode. The controller detects a position of a pointer based on the position signal value, and acquires a pressing force generated by the pointer based on a rate of change of a smoothed value of the pressing force value based on the pressing force signal value.Type: GrantFiled: November 4, 2021Date of Patent: October 17, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Takuma Yamamoto, Hiroshi Fukushima, Kazutoshi Kida, Takenori Maruyama, Shinji Yamagishi, Yasuhiro Sugita
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Publication number: 20230315233Abstract: A touch panel system includes a capacitive touch panel and a controller that controls the touch panel. The touch panel includes a plurality of drive electrodes and a plurality of floating island electrodes located on a first substrate and a plurality of pressure detection electrodes and a plurality of position detection electrodes located on a second substrate. The controller provides a drive signal to the drive electrodes and corrects a pressure detection signal obtained from each of the pressure detection electrodes by using a position detection signal obtained from the position detection electrode.Type: ApplicationFiled: March 29, 2023Publication date: October 5, 2023Inventors: Takenori MARUYAMA, Kazutoshi KIDA, Shinji YAMAGISHI, Takuma YAMAMOTO, Yasuhiro SUGITA, Hiroshi FUKUSHIMA
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Patent number: 11693510Abstract: A touch panel system includes a touch panel including a drive electrode, a position detection electrode, and a pressing detection electrode, and a controller configured to impart a drive signal to the drive electrode and acquire signal values from each of the position detection electrode and the pressing detection electrode. The controller detects a position of an indicator on the basis of the signal values obtained from the position detection electrode and calculates a magnitude of pressing of the indicator on the basis of signal values in a pressing detection range corresponding to the detected position of the indicator among the signal values obtained from the pressing detection electrode.Type: GrantFiled: April 15, 2022Date of Patent: July 4, 2023Assignee: Sharp Display Technology CorporationInventors: Takenori Maruyama, Kazutoshi Kida, Shinji Yamagishi, Takuma Yamamoto, Yasuhiro Sugita, Hiroshi Fukushima
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Publication number: 20230205386Abstract: A touch panel system includes a touch panel, a cover member overlapping the touch panel, and a controller. The controller includes a position detection unit configured to detect a position of a pointer, based on a signal value obtained from a position detection electrode, an amplification processing unit configured to perform amplification processing on at least one signal value in a pressing force detection range corresponding to the position of the pointer detected by the position detection unit among signal values obtained from a pressing force detection electrode, and a pressing force detection unit configured to calculate magnitude of a pressing force generated by the pointer, based on a signal value after the amplification processing being a signal value in the pressing force detection range including a signal value obtained by amplification by the amplification processing unit.Type: ApplicationFiled: December 12, 2022Publication date: June 29, 2023Inventors: Shinji YAMAGISHI, Takenori MARUYAMA, Kazutoshi KIDA, Takuma YAMAMOTO, Yasuhiro SUGITA, Hiroshi FUKUSHIMA
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Patent number: 11630542Abstract: A touch panel includes a transmission electrode layer that includes a transmission electrode to which a drive signal is supplied, a reception electrode layer that includes a position detection electrode and a pressing force detection electrode that form capacitance between the transmission electrode layer and themselves, in accordance with the capacitance, at least one of touching and pressing force is detected. The touch panel further includes a pressure-sensitive layer interposed between the transmission electrode layer and the reception electrode layer. The pressure-sensitive layer includes a first dielectric layer of which dielectric constant exhibits negative temperature properties in a predetermined temperature range, and a second dielectric layer of which dielectric constant exhibits positive temperature properties in the predetermined temperature range.Type: GrantFiled: September 6, 2022Date of Patent: April 18, 2023Assignee: Sharp Display Technology CorporationInventors: Takuma Yamamoto, Takenori Maruyama, Shinji Yamagishi, Kazutoshi Kida, Yasuhiro Sugita, Hiroshi Fukushima
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Publication number: 20230096398Abstract: A touch panel include a cover member, a drive electrode, a pressure detecting electrode, and a position detecting electrode. The pressure detecting electrode and the position detecting electrode are alternately arranged in a first direction. The pressure detecting electrode includes a plurality of pressure detecting sections, arranged side by side in a second direction orthogonal to the first direction, that each independently detect a pressure. The position detecting electrode includes a plurality of position detecting sections, arranged side by side in the second direction, that each independently detect a touched position. The area of a pressure detecting section is larger than the area of a position detecting section.Type: ApplicationFiled: September 17, 2022Publication date: March 30, 2023Inventors: Takenori MARUYAMA, Kazutoshi KIDA, Shinji YAMAGISHI, Takuma YAMAMOTO, Yasuhiro SUGITA, Hiroshi FUKUSHIMA
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Patent number: 11614843Abstract: A touch panel includes a first substrate and a second substrate. The touch panel includes a drive electrode formed on a surface of the first substrate, a position sensor electrode and a pressing force sensor electrode formed on a surface of the second substrate, a position sensor wiring line that connects the position sensor electrode to a terminal portion, a pressing force sensor wiring line that connects the pressing force sensor electrode to the terminal portion, and a shield wiring line disposed between the position sensor wiring line and the pressing force sensor wiring line in a plan view.Type: GrantFiled: July 7, 2021Date of Patent: March 28, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Takenori Maruyama, Kazutoshi Kida, Shinji Yamagishi, Takuma Yamamoto, Yasuhiro Sugita, Hiroshi Fukushima
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Publication number: 20230073370Abstract: A touch panel includes a transmission electrode layer that includes a transmission electrode to which a drive signal is supplied, a reception electrode layer that includes a position detection electrode and a pressing force detection electrode that form capacitance between the transmission electrode layer and themselves, in accordance with the capacitance, at least one of touching and pressing force is detected. The touch panel further includes a pressure-sensitive layer interposed between the transmission electrode layer and the reception electrode layer. The pressure-sensitive layer includes a first dielectric layer of which dielectric constant exhibits negative temperature properties in a predetermined temperature range, and a second dielectric layer of which dielectric constant exhibits positive temperature properties in the predetermined temperature range.Type: ApplicationFiled: September 6, 2022Publication date: March 9, 2023Inventors: Takuma YAMAMOTO, Takenori MARUYAMA, Shinji YAMAGISHI, Kazutoshi KIDA, Yasuhiro SUGITA, Hiroshi FUKUSHIMA
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Publication number: 20220342540Abstract: A touch panel system includes a touch panel including a drive electrode, a position detection electrode, and a pressing detection electrode, and a controller configured to impart a drive signal to the drive electrode and acquire signal values from each of the position detection electrode and the pressing detection electrode. The controller detects a position of an indicator on the basis of the signal values obtained from the position detection electrode and calculates a magnitude of pressing of the indicator on the basis of signal values in a pressing detection range corresponding to the detected position of the indicator among the signal values obtained from the pressing detection electrode.Type: ApplicationFiled: April 15, 2022Publication date: October 27, 2022Inventors: Takenori Maruyama, Kazutoshi Kida, Shinji Yamagishi, Takuma Yamamoto, Yasuhiro Sugita, Hiroshi Fukushima
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Publication number: 20220164060Abstract: A touch panel system includes an electrostatic capacitance type touch panel including a drive electrode, a position detection electrode, and a pressing force detection electrode; and a controller configured to provide a drive signal to the drive electrode and acquire a position signal value from the position detection electrode and a pressing force signal value from the pressing force detection electrode. The controller detects a position of a pointer based on the position signal value, and acquires a pressing force generated by the pointer based on a rate of change of a smoothed value of the pressing force value based on the pressing force signal value.Type: ApplicationFiled: November 4, 2021Publication date: May 26, 2022Inventors: TAKUMA YAMAMOTO, HIROSHI FUKUSHIMA, KAZUTOSHI KIDA, TAKENORI MARUYAMA, SHINJI YAMAGISHI, YASUHIRO SUGITA
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Publication number: 20220129114Abstract: A touch panel system includes a touch panel including a drive electrode, a position detection electrode, and a pressure detection electrode, and a controller configured to impart a drive signal to the drive electrode and acquire signal values from each of the position detection electrode and the pressure detection electrode. The controller detects a position of an indicator on the basis of the signal values obtained from the position detection electrode and calculates a magnitude of pressure applied by the indicator on the basis of signal values in a pressure detection range corresponding to the detected position of the indicator among the signal values obtained from the pressure detection electrode.Type: ApplicationFiled: September 16, 2021Publication date: April 28, 2022Inventors: SHINJI YAMAGISHI, TAKENORI MARUYAMA, KAZUTOSHI KIDA, TAKUMA YAMAMOTO, YASUHIRO SUGITA
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Patent number: 11316246Abstract: There are provided an antenna device with improved antenna performance while suppressing a decrease in yield and a decrease in viewability, and a display device including the same. The antenna device includes an antenna substrate, a first antenna pattern formed on a first main surface of the antenna substrate, and a second antenna pattern formed on a second main surface opposite to the first main surface of the antenna substrate. The first antenna pattern and the second antenna pattern are formed such that positions on the front and back of the antenna substrate coincide with each other, and at least a part of the antenna substrate is transparent to transmit an image.Type: GrantFiled: March 5, 2020Date of Patent: April 26, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Shinji Yamagishi, Hiroshi Fukushima, Yasuhiro Sugita, Kazutoshi Kida, Takenori Maruyama, Jean Mugiraneza, Takuma Yamamoto, Yukio Mizuno
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Patent number: 11307710Abstract: A position detecting device including an antenna function includes a plurality of electrodes including a plurality of shared electrodes separated by spaces, a position detection circuit configured to detect a position by energizing the plurality of electrodes and using electric fields generated between the plurality of electrodes, an antenna circuit configured to perform wireless communication by energizing the plurality of shared electrodes and using magnetic fields generated in the spaces, and a switch connected to at least the plurality of shared electrodes among the plurality of electrodes, the position detection circuit, and the antenna circuit, the switch being configured to selectively connect either the position detection circuit or the antenna circuit to the plurality of shared electrodes.Type: GrantFiled: June 5, 2020Date of Patent: April 19, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Kazutoshi Kida, Takenori Maruyama, Takuma Yamamoto, Yasuhiro Sugita, Shinji Yamagishi
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Publication number: 20220050555Abstract: A touch panel includes a first substrate and a second substrate. The touch panel includes a drive electrode formed on a surface of the first substrate, a position sensor electrode and a pressing force sensor electrode formed on a surface of the second substrate, a position sensor wiring line that connects the position sensor electrode to a terminal portion, a pressing force sensor wiring line that connects the pressing force sensor electrode to the terminal portion, and a shield wiring line disposed between the position sensor wiring line and the pressing force sensor wiring line in a plan view.Type: ApplicationFiled: July 7, 2021Publication date: February 17, 2022Inventors: TAKENORI MARUYAMA, KAZUTOSHI KIDA, SHINJI YAMAGISHI, TAKUMA YAMAMOTO, YASUHIRO SUGITA, HIROSHI FUKUSHIMA
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Patent number: 11228096Abstract: A position detecting device including an antenna function includes a plurality of first position detection electrodes, a plurality of second position detection electrodes, a position detection circuit, a plurality of first antenna electrodes disposed adjacent to the plurality of first position detection electrodes and separated by first spaces, a plurality of second antenna electrodes disposed adjacent to the plurality of second position detection electrodes and separated by second spaces, and an antenna circuit configured to perform wireless communication by energizing the plurality of first antenna electrodes and the plurality of second antenna electrodes and using magnetic fields generated in the first spaces and the second spaces.Type: GrantFiled: June 30, 2020Date of Patent: January 18, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Kazutoshi Kida, Takenori Maruyama, Takuma Yamamoto, Yasuhiro Sugita, Shinji Yamagishi
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Patent number: 11133591Abstract: An antenna device includes antenna portions arranged side by side in columns with a partial overlap between the antenna portions next to each other, and common lines each connected to and shared by a set of the antenna portions not overlapping each other to collectively activate the set of the antenna portions.Type: GrantFiled: December 4, 2019Date of Patent: September 28, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Takuma Yamamoto, Takenori Maruyama, Kazutoshi Kida, Shinji Yamagishi, Jean Mugiraneza, Hiroshi Fukushima, Yasuhiro Sugita, Yukio Mizuno
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Patent number: 11073958Abstract: Provided is an antenna device that performs the reading of information via near field wireless communication by using a plurality of antenna patterns, and that has no insensitive area on the touch surface. An antenna device that reads information via near field wireless communication includes an antenna layer 20 that includes a plurality of antenna patterns 21a to 21l arrayed in parallel with one another, wherein at least a part of the antenna patterns 21a to 21l are arranged so as to overlap with one another when the antenna layer 20 is viewed in a plan view.Type: GrantFiled: January 27, 2017Date of Patent: July 27, 2021Assignees: SHARP KABUSHIKI KAISHA, TOPPAN FORMS CO., LTD.Inventors: Shinji Yamagishi, Yasuhiro Sugita, Jean Mugiraneza, Yuki Owashi, Yoshitaka Kawanabe