Patents by Inventor Takenori MARUYAMA
Takenori MARUYAMA 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: 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
-
Publication number: 20210255737Abstract: touch panel includes a first substrate including a first surface, a second substrate including a second surface opposite to the first surface, a drive electrode formed on the first surface, and a position sense electrode, a pressing force sense electrode, and a shield electrode that are formed on the second surface. The shield electrode is disposed between the position sense electrode and the pressing force sense electrode, and, in a plan view when viewing the second substrate from the first substrate, the drive electrode covers at least a portion of the pressing force sense electrode, and at least a portion of an end portion of the drive electrode is positioned above the shield electrode.Type: ApplicationFiled: January 19, 2021Publication date: August 19, 2021Inventors: KAZUTOSHI KIDA, TAKENORI MARUYAMA, TAKUMA YAMAMOTO
-
Patent number: 11086464Abstract: To enable both touched position detection and pressing force detection without increasing the thickness of a touch panel. A driving electrode (23) is formed on the top face of a piezoelectric polymer layer (22). A touch detection electrode (24) and a pressing force detection electrode (25) are formed on the bottom face of the piezoelectric polymer layer (22).Type: GrantFiled: March 22, 2018Date of Patent: August 10, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Jean Mugiraneza, Takenori Maruyama, Yasuhiro Sugita, Kazutoshi Kida
-
Publication number: 20210191477Abstract: A display device includes a display unit including a pixel circuit, an antenna including at least one antenna element that is flat, a noise barrier plate made of metal or magnetic substance, and a casing having a bottom made of metal or resin. The at least one antenna element is disposed under the display unit, the noise barrier plate is disposed under the at least one antenna element, and the bottom is disposed under the noise barrier plate, where a direction for the display unit to display an image is defined as an upper side, where another direction opposite to the direction is defined as a lower side.Type: ApplicationFiled: December 15, 2020Publication date: June 24, 2021Inventors: SHINJI YAMAGISHI, KAZUTOSHI KIDA, TAKENORI MARUYAMA, TAKUMA YAMAMOTO, Jean de Dieu B. MUGIRANEZA, YASUHIRO SUGITA, HIROSHI FUKUSHIMA
-
Patent number: 11018420Abstract: A display device includes a display panel displaying an image, a transparent antenna substrate arranged on one surface of the display panel and having transparency, a first conductive film having a mesh shape and arranged on a surface of the transparent antenna substrate opposite to the display panel, and a second conductive film having a mesh shape and arranged on a surface of the transparent antenna substrate facing the display panel. The first conductive film includes an antenna body portion having a thin film pattern and insulated from a surrounding portion by a slit, and the antenna body portion constitutes a transparent antenna performing wireless communication with an external communication device.Type: GrantFiled: September 26, 2019Date of Patent: May 25, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Takenori Maruyama, Kazutoshi Kida, Shinji Yamagishi, Jean Mugiraneza, Takuma Yamamoto, Yukio Mizuno, Yasuhiro Sugita, Hiroshi Fukushima, Hidetsugu Kawamori
-
Publication number: 20210141488Abstract: To enable both touched position detection and pressing force detection without increasing the thickness of a touch panel. A driving electrode (23) is formed on the top face of a piezoelectric polymer layer (22). A touch detection electrode (24) and a pressing force detection electrode (25) are formed on the bottom face of the piezoelectric polymer layer (22).Type: ApplicationFiled: March 22, 2018Publication date: May 13, 2021Inventors: Jean MUGIRANEZA, Takenori MARUYAMA, Yasuhiro SUGITA, Kazutoshi KIDA
-
Publication number: 20210005960Abstract: 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: ApplicationFiled: June 30, 2020Publication date: January 7, 2021Inventors: KAZUTOSHI KIDA, TAKENORI MARUYAMA, TAKUMA YAMAMOTO, YASUHIRO SUGITA, SHINJI YAMAGISHI
-
Publication number: 20200393932Abstract: 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: ApplicationFiled: June 5, 2020Publication date: December 17, 2020Inventors: KAZUTOSHI KIDA, TAKENORI MARUYAMA, TAKUMA YAMAMOTO, YASUHIRO SUGITA, SHINJI YAMAGISHI
-
Publication number: 20200371626Abstract: To provide a low-cost and compact pressure-sensor-embedded display, in a pressure-sensor-embedded display (1), a touch sensor (5) includes a plurality of touchpad electrodes (7) disposed on a liquid crystal layer (4) side of a circuit board (2), and a pressure sensor (11) includes a plurality of pressure-pad electrodes (12) disposed on the liquid crystal layer (4) side of the circuit board (2) and a plurality of driving electrode bars (13) disposed on the liquid crystal layer (4) side of a counter substrate (3).Type: ApplicationFiled: March 27, 2018Publication date: November 26, 2020Inventors: Jean MUGIRANEZA, Yasuhiro SUGITA, Shinji YAMAGISHI, Takenori MARUYAMA
-
Patent number: 10795482Abstract: The purpose of the present invention is to achieve further miniaturization and performance improvement in a pressure detection type touch panel. The touch panel (1) includes a TP upper side electrode layer (19) located above the CF substrate (18), a TP lower side electrode layer (15) located below the CF substrate (18) and above the liquid crystal layer (14), and a piezoelectric element layer (16) located between the TP upper side electrode layer (19) and the TP lower side electrode layer (15).Type: GrantFiled: March 1, 2018Date of Patent: October 6, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Takenori Maruyama, Jean Mugiraneza, Yasuhiro Sugita, Hidetsugu Kawamori
-
Publication number: 20200295435Abstract: 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: ApplicationFiled: March 5, 2020Publication date: September 17, 2020Inventors: SHINJI YAMAGISHI, HIROSHI FUKUSHIMA, YASUHIRO SUGITA, KAZUTOSHI KIDA, TAKENORI MARUYAMA, JEAN MUGIRANEZA, TAKUMA YAMAMOTO, YUKIO MIZUNO
-
Patent number: 10732447Abstract: The purpose of the present invention is to achieve further miniaturization and performance improvement in a pressure detection-type touch panel. The touch panel (1) includes a TP upper side electrode layer (19) located above a CF substrate (18); and a TP lower side electrode layer (16) located below the CF substrate (18) and above a liquid crystal layer (14); an ITO layer (13) located above the TFT substrate (11) and below the liquid crystal layer (14); and a piezoelectric element layer (15) located between the TP lower side electrode layer (16) and the ITO layer (13).Type: GrantFiled: March 1, 2018Date of Patent: August 4, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Takenori Maruyama, Jean Mugiraneza, Yasuhiro Sugita, Hidetsugu Kawamori
-
Publication number: 20200235477Abstract: 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: ApplicationFiled: December 4, 2019Publication date: July 23, 2020Inventors: TAKUMA YAMAMOTO, TAKENORI MARUYAMA, KAZUTOSHI KIDA, SHINJI YAMAGISHI, JEAN MUGIRANEZA, HIROSHI FUKUSHIMA, YASUHIRO SUGITA, YUKIO MIZUNO
-
Publication number: 20200119438Abstract: A display device includes a display panel displaying an image, a transparent antenna substrate arranged on one surface of the display panel and having transparency, a first conductive film having a mesh shape and arranged on a surface of the transparent antenna substrate opposite to the display panel, and a second conductive film having a mesh shape and arranged on a surface of the transparent antenna substrate facing the display panel. The first conductive film includes an antenna body portion having a thin film pattern and insulated from a surrounding portion by a slit, and the antenna body portion constitutes a transparent antenna performing wireless communication with an external communication device.Type: ApplicationFiled: September 26, 2019Publication date: April 16, 2020Inventors: TAKENORI MARUYAMA, KAZUTOSHI KIDA, SHINJI YAMAGISHI, JEAN MUGIRANEZA, TAKUMA YAMAMOTO, YUKIO MIZUNO, YASUHIRO SUGITA, HIROSHI FUKUSHIMA, HIDETSUGU KAWAMORI
-
Patent number: 10606432Abstract: The present invention simultaneously detects a location of an electric conductor and pressure that is applied by the electric conductor. A touch panel (1) includes a plurality of sensing electrodes (2) that extend in a first direction for detecting a touch location based on an electrostatic capacitance; and pressure detecting electrodes (4) each of which extends in the first direction and is provided between adjacent two of the plurality of sensing electrodes (2). Each of the pressure detecting electrodes (4) has a width smaller than that of each of the sensing electrodes (2) and has resistance that changes in response to applied pressure.Type: GrantFiled: August 30, 2017Date of Patent: March 31, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Takenori Maruyama, Yasuhiro Sugita, Kazutoshi Kida, Shinji Yamagishi, Kenshi Tada, Jean Mugiraneza, Hidetsugu Kawamori
-
Patent number: 10564460Abstract: A liquid crystal display device includes an array board, a CF board, detection electrodes, drive electrodes, and position detection lines. The array board includes TFTs in a display area and a display circuit that includes at least monolithic circuits in a non-display area. The CF board is opposed to the array board with a gap. The detection electrodes are arranged on an outer surface of the CF board in the display area to extend along the first direction. The drive electrodes are arranged on an inner surface of the CF board in the display area to extend along the second direction. The position detection lines are arranged on the inner surface of the CF board in the non-display area for transmitting signals to the drive electrodes. The position detection lines are arranged to overlap the monolithic circuits.Type: GrantFiled: November 20, 2015Date of Patent: February 18, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Kenshi Tada, Hiroyuki Ogawa, Kazutoshi Kida, Shinji Yamagishi, Takenori Maruyama, Jean Mugiraneza
-
Publication number: 20200019267Abstract: The purpose of the present invention is to achieve further miniaturization and performance improvement in a pressure detection type touch panel. The touch panel (1) includes a TP upper side electrode layer (19) located above the CF substrate (18), a TP lower side electrode layer (15) located below the CF substrate (18) and above the liquid crystal layer (14), and a piezoelectric element layer (16) located between the TP upper side electrode layer (19) and the TP lower side electrode layer (15).Type: ApplicationFiled: March 1, 2018Publication date: January 16, 2020Inventors: Takenori MARUYAMA, Jean MUGIRANEZA, Yasuhiro SUGITA, Hidetsugu KAWAMORI
-
Publication number: 20200012134Abstract: The purpose of the present invention is to achieve further miniaturization and performance improvement in a pressure detection-type touch panel. The touch panel (1) includes a TP upper side electrode layer (19) located above a CF substrate (18); and a TP lower side electrode layer (16) located below the CF substrate (18) and above a liquid crystal layer (14); an ITO layer (13) located above the TFT substrate (11) and below the liquid crystal layer (14); and a piezoelectric element layer (15) located between the TP lower side electrode layer (16) and the ITO layer (13).Type: ApplicationFiled: March 1, 2018Publication date: January 9, 2020Inventors: Takenori MARUYAMA, Jean MUGIRANEZA, Yasuhiro SUGITA, Hidetsugu KAWAMORI
-
Publication number: 20190317641Abstract: The present invention simultaneously detects a location of an electric conductor and pressure that is applied by the electric conductor. A touch panel (1) includes a plurality of sensing electrodes (2) that extend in a first direction for detecting a touch location based on an electrostatic capacitance; and pressure detecting electrodes (4) each of which extends in the first direction and is provided between adjacent two of the plurality of sensing electrodes (2). Each of the pressure detecting electrodes (4) has a width smaller than that of each of the sensing electrodes (2) and has resistance that changes in response to applied pressure.Type: ApplicationFiled: August 30, 2017Publication date: October 17, 2019Applicant: SHARP KABUSHIKI KAISHAInventors: TAKENORI MARUYAMA, YASUHIRO SUGITA, KAZUTOSHI KIDA, SHINJI YAMAGISHI, KENSHI TADA, JEAN MUGIRANEZA, HIDETSUGU KAWAMORI
-
Patent number: 10386964Abstract: A crystal display device 10 includes TFTs, pixel electrodes, common electrodes, an array board, a CF board, detection electrodes, drive electrodes , a driver, a row control circuit, and a touch controller. The detection electrodes are included in the CF board. The drive electrodes are included in the CF board. The driver and the row control circuit are included in a display driver portion for supplying scan signals and data signals to the TFTs for display driving. The touch controller supplies drive signals to the drive electrodes and detects position detection signals output by the detection electrodes to perform position detection control. The touch controller supplies the drive signals to the drive electrodes to drive the drive electrodes in a scan writing period in which the scan signals are supplied to the TFTs by at least the row control circuit in the display driver portion to drive the TFTs.Type: GrantFiled: November 20, 2015Date of Patent: August 20, 2019Assignee: SHARP KABUSHIKI KAISHAInventors: Kazutoshi Kida, Kenshi Tada, Yasuhiro Sugita, Hiroyuki Ogawa, Takenori Maruyama